author | Claus Gittinger <cg@exept.de> |
Tue, 16 Jan 1996 03:04:32 +0100 | |
changeset 289 | 82d20a3e2fe8 |
parent 279 | b9fa9180aca4 |
child 290 | f539121393b1 |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 1990 by Claus Gittinger |
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All Rights Reserved |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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EditTextView subclass:#EditField |
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instanceVariableNames:'leaveAction enabled enableAction crAction tabAction converter |
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leaveKeys immediateAccept acceptOnLeave acceptOnReturn |
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lengthLimit entryCompletionBlock passwordCharacter |
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cursorMovementWhenUpdating enableChannel' |
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classVariableNames:'DefaultForegroundColor DefaultBackgroundColor |
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DefaultSelectionForegroundColor DefaultSelectionBackgroundColor |
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DefaultFont' |
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poolDictionaries:'' |
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category:'Views-Text' |
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! |
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!EditField class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1990 by Claus Gittinger |
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All Rights Reserved |
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This software is furnished under a license and may be used |
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only in accordance with the terms of that license and with the |
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inclusion of the above copyright notice. This software may not |
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be provided or otherwise made available to, or used by, any |
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other person. No title to or ownership of the software is |
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hereby transferred. |
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" |
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! |
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documentation |
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" |
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an editable text-field. Realized by using an EditTextView, |
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and forcing its size to 1 line - disabling cursor movement |
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in the vertical direction. |
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Instance variables: |
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leaveAction <Block | nil> if non-nil, this is evaluated with |
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the key (#Return, #CursorUp etc.) when |
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the field is left via keyboard keys. |
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(fieldGroups use this to decide which |
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field has to be enabled next) |
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enabled <Boolean> if false, input is ignored. |
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enableAction <Block | nil> action performed if the field is |
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enabled via an explicit click. |
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(this is used by the group to |
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set the active field to the clicked upon field) |
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crAction <Block | nil> if non-nil, keyboard input of a cr are not |
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handled specially, instead this block is evaluated |
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(however, this block can perform additional checks and send |
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a #accept then) |
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tabAction <Block | nil> if non-nil, keyboard input of a tab character |
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is not entered into the text, instead this block |
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is evaluated. |
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converter <PrintConverter | nil> if non-nil, this is supposed to convert between |
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the object and its printed representation. |
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Defaults to nil i.e. assume that strings are edited. |
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leaveKeys <Collection> keys which are interpreted as 'leving the field' |
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immediateAccept <Boolean> if true, every change of the text is immediately |
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forwarded to the model/acceptBlock. If false, |
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the changed value is only stored in the model |
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if the field is left or accepted. |
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Default is false. |
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acceptOnLeave <Boolean> if true, leaving the field (via cursor keys) |
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automatically accepts the value into the model. |
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Default is true. |
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acceptOnReturn <Boolean> if true, leaving the field via return |
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automatically accepts the value into the model. |
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Default is true. |
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" |
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! |
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examples |
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" |
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see more examples in EnterFieldGroup>>examples. |
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basic field in a view: |
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|top field| |
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top := StandardSystemView new. |
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top extent:200@100. |
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field := EditField origin:0.0@0.0 in:top. |
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field width:1.0. 'let its height as-is'. |
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top open |
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forward input in topView to the field: |
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(currently, the field does not know this - therefore, |
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its been told here ... this may change) |
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|top field| |
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top := StandardSystemView new. |
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top extent:200@100. |
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field := EditField origin:0.0@0.0 in:top. |
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field width:1.0. 'let its height as-is'. |
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top delegate:(KeyboardForwarder toView:field). |
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field hasKeyboardFocus:true. |
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top open |
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to make it look better: set some inset: |
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|top field| |
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top := StandardSystemView new. |
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top extent:200@100. |
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field := EditField origin:0.0@ViewSpacing in:top. |
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field width:1.0. 'let its height as-is'. |
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field leftInset:ViewSpacing; |
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rightInset:ViewSpacing. |
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top open |
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give it an initial contents: |
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|top field| |
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top := StandardSystemView new. |
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top extent:200@100. |
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field := EditField origin:0.0@ViewSpacing in:top. |
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field width:1.0. |
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field leftInset:ViewSpacing; |
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rightInset:ViewSpacing. |
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field editValue:'hello world'. |
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top open |
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have it preselected: |
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|top field| |
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top := StandardSystemView new. |
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top extent:200@100. |
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field := EditField origin:0.0@ViewSpacing in:top. |
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field width:1.0. |
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field leftInset:ViewSpacing; |
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rightInset:ViewSpacing. |
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field editValue:'hello world' selected:true. |
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top open |
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have part of it preselected: |
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|top field| |
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top := StandardSystemView new. |
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top extent:200@100. |
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field := EditField origin:0.0@ViewSpacing in:top. |
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field width:1.0. |
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field leftInset:ViewSpacing; |
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rightInset:ViewSpacing. |
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field editValue:'hello world'; |
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selectFromCharacterPosition:1 to:5. |
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top open |
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set a size limit: |
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|top field| |
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top := StandardSystemView new. |
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top extent:200@100. |
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|
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field := EditField origin:0.0@ViewSpacing in:top. |
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field width:1.0. |
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field leftInset:ViewSpacing; |
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rightInset:ViewSpacing. |
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field editValue:'hello'; |
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maxChars:8. |
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top open |
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enable / disable: |
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|top panel check field ena| |
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top := StandardSystemView new. |
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top extent:200@100. |
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panel := VerticalPanelView origin:0.0@0.0 corner:1.0@1.0 in:top. |
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panel horizontalLayout:#leftSpace. |
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check := CheckBox label:'enable' in:panel. |
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check turnOn. |
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check action:[:onOff | onOff ifTrue:[field enable] ifFalse:[field disable]]. |
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panel add:(View new height:30). |
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field := EditField in:panel. |
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field width:1.0. |
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field leftInset:ViewSpacing; |
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228 |
rightInset:ViewSpacing. |
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229 |
field editValue:'hello'. |
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|
230 |
|
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231 |
top open |
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232 |
|
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|
233 |
|
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234 |
enable / disable using a channel: |
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|
235 |
|
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236 |
|top panel check field ena| |
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|
237 |
|
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|
238 |
top := StandardSystemView new. |
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239 |
top extent:200@100. |
125 | 240 |
|
261
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241 |
panel := VerticalPanelView origin:0.0@0.0 corner:1.0@1.0 in:top. |
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242 |
panel horizontalLayout:#leftSpace. |
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|
243 |
|
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|
244 |
ena := true asValue. |
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|
245 |
|
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246 |
check := CheckBox label:'enable' in:panel. |
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247 |
check model:ena. |
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248 |
|
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249 |
panel add:(View new height:30). |
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250 |
|
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251 |
field := EditField in:panel. |
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252 |
field enableChannel:ena. |
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253 |
field width:1.0. |
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254 |
field leftInset:ViewSpacing; |
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255 |
rightInset:ViewSpacing. |
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256 |
field editValue:'hello'. |
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257 |
|
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258 |
top open |
125 | 259 |
|
260 |
||
121 | 261 |
use a converter: |
125 | 262 |
- numbers (default to 0): |
121 | 263 |
|
261
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264 |
|top field| |
121 | 265 |
|
261
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266 |
top := StandardSystemView new. |
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267 |
top extent:200@100. |
121 | 268 |
|
261
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|
269 |
field := EditField origin:0.0@ViewSpacing in:top. |
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270 |
field width:1.0. |
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271 |
field leftInset:ViewSpacing; |
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|
272 |
rightInset:ViewSpacing. |
121 | 273 |
|
261
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|
274 |
field converter:(PrintConverter new initForNumber). |
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275 |
field editValue:1234. |
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|
276 |
field acceptAction:[:value | Transcript showCr:value]. |
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|
277 |
field crAction:[field accept. top destroy]. |
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|
278 |
top open. |
121 | 279 |
|
280 |
- dates: |
|
281 |
||
261
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|
282 |
|top field| |
121 | 283 |
|
261
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|
284 |
top := StandardSystemView new. |
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|
285 |
top extent:200@100. |
121 | 286 |
|
261
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|
287 |
field := EditField origin:0.0@ViewSpacing in:top. |
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|
288 |
field width:1.0. |
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|
289 |
field leftInset:ViewSpacing; |
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changeset
|
290 |
rightInset:ViewSpacing. |
121 | 291 |
|
261
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|
292 |
field converter:(PrintConverter new initForDate). |
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|
293 |
field editValue:Date today. |
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|
294 |
field acceptAction:[:value | Transcript showCr:value class name , ' ' , value printString]. |
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|
295 |
field crAction:[field accept. top destroy]. |
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changeset
|
296 |
top open. |
121 | 297 |
|
122 | 298 |
|
125 | 299 |
setting immediateAccept, makes the field update with every key: |
300 |
||
301 |
- immediate accept numbers, defaulting to nil: |
|
121 | 302 |
|
261
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|
303 |
|top field| |
121 | 304 |
|
261
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changeset
|
305 |
top := StandardSystemView new. |
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changeset
|
306 |
top extent:200@100. |
121 | 307 |
|
261
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changeset
|
308 |
field := EditField origin:0.0@ViewSpacing in:top. |
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changeset
|
309 |
field width:1.0. |
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changeset
|
310 |
field leftInset:ViewSpacing; |
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diff
changeset
|
311 |
rightInset:ViewSpacing. |
121 | 312 |
|
261
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diff
changeset
|
313 |
field converter:(PrintConverter new initForNumberOrNil). |
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diff
changeset
|
314 |
field immediateAccept:true. |
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changeset
|
315 |
field editValue:1234. |
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diff
changeset
|
316 |
field acceptAction:[:value | Transcript showCr:value]. |
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diff
changeset
|
317 |
field crAction:[field accept. top destroy]. |
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diff
changeset
|
318 |
top open. |
121 | 319 |
|
122 | 320 |
|
127 | 321 |
|
322 |
||
120 | 323 |
use a model: |
324 |
(see changing model value in inspector when return is pressed in the field) |
|
325 |
||
261
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diff
changeset
|
326 |
|top field model| |
120 | 327 |
|
261
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changeset
|
328 |
model := 'hello world' asValue. |
120 | 329 |
|
261
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diff
changeset
|
330 |
top := StandardSystemView new. |
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diff
changeset
|
331 |
top extent:200@100. |
120 | 332 |
|
261
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diff
changeset
|
333 |
field := EditField origin:0.0@ViewSpacing in:top. |
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diff
changeset
|
334 |
field width:1.0. |
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diff
changeset
|
335 |
field leftInset:ViewSpacing; |
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258
diff
changeset
|
336 |
rightInset:ViewSpacing. |
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diff
changeset
|
337 |
field model:model. |
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258
diff
changeset
|
338 |
field acceptOnReturn:true. |
120 | 339 |
|
261
afcea54bd74e
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258
diff
changeset
|
340 |
top open. |
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diff
changeset
|
341 |
model inspect. |
121 | 342 |
|
122 | 343 |
|
127 | 344 |
two views on the same model (each accepts on return): |
121 | 345 |
|
261
afcea54bd74e
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258
diff
changeset
|
346 |
|top1 top2 field1 field2 model| |
121 | 347 |
|
261
afcea54bd74e
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258
diff
changeset
|
348 |
model := 'hello world' asValue. |
121 | 349 |
|
261
afcea54bd74e
added channel-enable (needs overall cleanup)
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258
diff
changeset
|
350 |
top1 := StandardSystemView new. |
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diff
changeset
|
351 |
top1 extent:200@100. |
afcea54bd74e
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258
diff
changeset
|
352 |
field1 := EditField origin:0.0@ViewSpacing in:top1. |
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258
diff
changeset
|
353 |
field1 width:1.0. |
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258
diff
changeset
|
354 |
field1 leftInset:ViewSpacing; |
afcea54bd74e
added channel-enable (needs overall cleanup)
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258
diff
changeset
|
355 |
rightInset:ViewSpacing. |
afcea54bd74e
added channel-enable (needs overall cleanup)
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258
diff
changeset
|
356 |
field1 model:model. |
afcea54bd74e
added channel-enable (needs overall cleanup)
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258
diff
changeset
|
357 |
field1 acceptOnReturn:true. |
afcea54bd74e
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258
diff
changeset
|
358 |
top1 open. |
121 | 359 |
|
261
afcea54bd74e
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258
diff
changeset
|
360 |
top2 := StandardSystemView new. |
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258
diff
changeset
|
361 |
top2 extent:200@100. |
afcea54bd74e
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258
diff
changeset
|
362 |
field2 := EditField origin:0.0@ViewSpacing in:top2. |
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258
diff
changeset
|
363 |
field2 width:1.0. |
afcea54bd74e
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258
diff
changeset
|
364 |
field2 leftInset:ViewSpacing; |
afcea54bd74e
added channel-enable (needs overall cleanup)
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258
diff
changeset
|
365 |
rightInset:ViewSpacing. |
afcea54bd74e
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parents:
258
diff
changeset
|
366 |
field2 model:model. |
afcea54bd74e
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258
diff
changeset
|
367 |
field2 acceptOnReturn:true. |
afcea54bd74e
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258
diff
changeset
|
368 |
top2 open. |
121 | 369 |
|
127 | 370 |
two views on the same model (no accept on return): |
371 |
||
261
afcea54bd74e
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diff
changeset
|
372 |
|top1 top2 field1 field2 model| |
127 | 373 |
|
261
afcea54bd74e
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diff
changeset
|
374 |
model := 'hello world' asValue. |
127 | 375 |
|
261
afcea54bd74e
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diff
changeset
|
376 |
top1 := StandardSystemView new. |
afcea54bd74e
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diff
changeset
|
377 |
top1 extent:200@100. |
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258
diff
changeset
|
378 |
field1 := EditField origin:0.0@ViewSpacing in:top1. |
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258
diff
changeset
|
379 |
field1 width:1.0. |
afcea54bd74e
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258
diff
changeset
|
380 |
field1 leftInset:ViewSpacing; |
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258
diff
changeset
|
381 |
rightInset:ViewSpacing. |
afcea54bd74e
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258
diff
changeset
|
382 |
field1 model:model; acceptOnReturn:false. |
afcea54bd74e
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258
diff
changeset
|
383 |
top1 open. |
127 | 384 |
|
261
afcea54bd74e
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258
diff
changeset
|
385 |
top2 := StandardSystemView new. |
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258
diff
changeset
|
386 |
top2 extent:200@100. |
afcea54bd74e
added channel-enable (needs overall cleanup)
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258
diff
changeset
|
387 |
field2 := EditField origin:0.0@ViewSpacing in:top2. |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
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258
diff
changeset
|
388 |
field2 width:1.0. |
afcea54bd74e
added channel-enable (needs overall cleanup)
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258
diff
changeset
|
389 |
field2 leftInset:ViewSpacing; |
afcea54bd74e
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Claus Gittinger <cg@exept.de>
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390 |
rightInset:ViewSpacing. |
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391 |
field2 model:model; acceptOnReturn:false. |
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392 |
top2 open. |
127 | 393 |
|
125 | 394 |
with immediate accept: |
395 |
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396 |
|top1 top2 field1 field2 model| |
125 | 397 |
|
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398 |
model := 'hello world' asValue. |
125 | 399 |
|
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400 |
top1 := StandardSystemView new. |
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401 |
top1 extent:200@100. |
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402 |
field1 := EditField origin:0.0@ViewSpacing in:top1. |
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403 |
field1 width:1.0. |
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404 |
field1 leftInset:ViewSpacing; rightInset:ViewSpacing. |
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405 |
field1 model:model; immediateAccept:true. |
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406 |
top1 open. |
125 | 407 |
|
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408 |
top2 := StandardSystemView new. |
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409 |
top2 extent:200@100. |
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410 |
field2 := EditField origin:0.0@ViewSpacing in:top2. |
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411 |
field2 width:1.0. |
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412 |
field2 leftInset:ViewSpacing; rightInset:ViewSpacing. |
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413 |
field2 model:model; immediateAccept:true. |
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414 |
top2 open. |
122 | 415 |
|
121 | 416 |
just an example; a checkBox and an editField on the same model: |
417 |
||
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418 |
|top1 top2 field1 box model| |
121 | 419 |
|
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420 |
model := false asValue. |
121 | 421 |
|
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422 |
top1 := StandardSystemView new. |
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423 |
top1 extent:200@100. |
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424 |
field1 := EditField origin:0.0@ViewSpacing in:top1. |
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425 |
field1 width:1.0. |
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426 |
field1 leftInset:ViewSpacing; |
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427 |
rightInset:ViewSpacing. |
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428 |
field1 converter:(PrintConverter new initForYesNo). |
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429 |
field1 model:model. |
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430 |
top1 open. |
121 | 431 |
|
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432 |
top2 := StandardSystemView new. |
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433 |
top2 extent:200@100. |
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434 |
box := CheckBox on:model. |
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435 |
box label:'on/off'. |
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436 |
top2 add:box. |
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437 |
top2 open. |
121 | 438 |
|
261
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|
439 |
model inspect. |
125 | 440 |
|
441 |
||
442 |
connecting fields: |
|
443 |
update field2 wehenever field1 is changed. |
|
444 |
(normally, the processing below (xChanged) is done in your application |
|
445 |
class, or in a complex model. For the demonstration below, we use |
|
446 |
a Plug to simulate the protocol.) |
|
447 |
||
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448 |
|application top field1 field2 value1 value2| |
125 | 449 |
|
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450 |
application := Plug new. |
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451 |
application respondTo:#value1Changed |
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452 |
with:[value2 value:(value1 value isNil ifTrue:[nil] |
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|
453 |
ifFalse:[value1 value squared])]. |
125 | 454 |
|
261
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455 |
value1 := 1 asValue. |
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456 |
value2 := 1 asValue. |
125 | 457 |
|
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458 |
top := Dialog new. |
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459 |
top extent:200@200. |
125 | 460 |
|
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461 |
(top addTextLabel:'some number:') layout:#left. |
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462 |
top addVerticalSpace. |
125 | 463 |
|
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464 |
(top addInputFieldOn:value1 tabable:false) |
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|
465 |
converter:(PrintConverter new initForNumberOrNil); |
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|
466 |
immediateAccept:true. |
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|
467 |
top addVerticalSpace. |
125 | 468 |
|
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469 |
(top addTextLabel:'squared:') layout:#left. |
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470 |
top addVerticalSpace. |
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471 |
(top addInputFieldOn:value2 tabable:false) |
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|
472 |
converter:(PrintConverter new initForNumberOrNil). |
125 | 473 |
|
261
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|
474 |
value1 onChangeSend:#value1Changed to:application. |
125 | 475 |
|
261
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|
476 |
top openModeless. |
125 | 477 |
|
478 |
||
479 |
two-way connect: |
|
480 |
each field updates the other (notice, that we have to turn off |
|
481 |
onChange: notification, to avoid an endless notification cycle) |
|
482 |
||
261
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483 |
|application top field1 field2 value1 value2| |
125 | 484 |
|
261
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485 |
application := Plug new. |
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|
486 |
application respondTo:#value1Changed |
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|
487 |
with:[value2 retractInterestsFor:application. |
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|
488 |
value2 value:(value1 value isNil ifTrue:[nil] |
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|
489 |
ifFalse:[value1 value squared]). |
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|
490 |
value2 onChangeSend:#value2Changed to:application. |
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|
491 |
]. |
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|
492 |
application respondTo:#value2Changed |
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|
493 |
with:[value1 retractInterestsFor:application. |
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|
494 |
value1 value:(value2 value isNil ifTrue:[nil] |
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|
495 |
ifFalse:[value2 value sqrt]). |
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|
496 |
value1 onChangeSend:#value1Changed to:application. |
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|
497 |
]. |
125 | 498 |
|
261
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|
499 |
value1 := 1 asValue. |
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|
500 |
value2 := 1 asValue. |
125 | 501 |
|
261
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|
502 |
top := Dialog new. |
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|
503 |
top extent:200@200. |
125 | 504 |
|
261
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|
505 |
(top addTextLabel:'some number:') layout:#left. |
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|
506 |
top addVerticalSpace. |
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|
507 |
|
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|
508 |
(top addInputFieldOn:value1 tabable:false) |
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|
509 |
converter:(PrintConverter new initForNumberOrNil); |
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|
510 |
immediateAccept:true. |
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|
511 |
top addVerticalSpace. |
125 | 512 |
|
261
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|
513 |
(top addTextLabel:'squared:') layout:#left. |
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|
514 |
top addVerticalSpace. |
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|
515 |
(top addInputFieldOn:value2 tabable:false) |
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|
516 |
converter:(PrintConverter new initForNumberOrNil); |
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|
517 |
immediateAccept:true. |
125 | 518 |
|
261
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|
519 |
value1 onChangeSend:#value1Changed to:application. |
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changeset
|
520 |
value2 onChangeSend:#value2Changed to:application. |
125 | 521 |
|
261
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|
522 |
top openModeless. |
120 | 523 |
" |
19 | 524 |
! ! |
0 | 525 |
|
526 |
!EditField class methodsFor:'defaults'! |
|
527 |
||
125 | 528 |
defaultLeaveKeys |
128 | 529 |
"return the set of keys which are taken as leave-keys. |
530 |
If the field is in an enterFieldGroup, all leave keys will be |
|
531 |
forwarded to the group and possible step to the next/previous field. |
|
532 |
Also, if acceptOnLeave is true, leave keys will store the current |
|
533 |
value into their model (if any)" |
|
534 |
||
125 | 535 |
^ #(Return CursorUp CursorDown Next Previous Accept) |
536 |
! |
|
537 |
||
192 | 538 |
defaultNumberOfLines |
539 |
"the number of lines in the field" |
|
540 |
||
541 |
^ 1 |
|
542 |
! |
|
543 |
||
59 | 544 |
updateStyleCache |
60 | 545 |
DefaultForegroundColor := StyleSheet colorAt:'editFieldForegroundColor' default:Black. |
546 |
DefaultBackgroundColor := StyleSheet colorAt:'editFieldBackgroundColor' default:White. |
|
547 |
DefaultSelectionForegroundColor := StyleSheet colorAt:'editFieldSelectionForegroundColor' default:DefaultBackgroundColor. |
|
548 |
DefaultSelectionBackgroundColor := StyleSheet colorAt:'editFieldSelectionBackgroundColor' default:DefaultForegroundColor. |
|
549 |
DefaultFont := StyleSheet fontAt:'editFieldFont' default:nil. |
|
59 | 550 |
|
551 |
" |
|
60 | 552 |
self updateStyleCache |
59 | 553 |
" |
0 | 554 |
! ! |
555 |
||
192 | 556 |
!EditField methodsFor:'accessing-behavior'! |
125 | 557 |
|
192 | 558 |
acceptOnLeave:aBoolean |
261
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|
559 |
"set/clear the acceptOnLeave flag. The default is false. |
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|
560 |
If true, leaving the box (via return, cursor etc) accepts my |
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changeset
|
561 |
string into the valueHolder (if any). |
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changeset
|
562 |
(actually, the set of keys can be specified with #leaveKeys:)" |
125 | 563 |
|
192 | 564 |
acceptOnLeave := aBoolean |
261
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|
565 |
|
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|
566 |
"Modified: 16.12.1995 / 16:26:45 / cg" |
192 | 567 |
! |
568 |
||
569 |
acceptOnReturn:aBoolean |
|
261
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|
570 |
"set/clear the acceptOnReturn flag. The default is false. |
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changeset
|
571 |
If true, leaving the box via return accepts my |
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changeset
|
572 |
string into the valueHolder (if any)." |
192 | 573 |
|
574 |
acceptOnReturn := aBoolean |
|
261
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changeset
|
575 |
|
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changeset
|
576 |
"Modified: 16.12.1995 / 16:25:34 / cg" |
125 | 577 |
! |
578 |
||
192 | 579 |
crAction:aBlock |
580 |
"define an action to be evaluated when the return key is pressed." |
|
581 |
||
582 |
crAction := aBlock |
|
583 |
! |
|
125 | 584 |
|
192 | 585 |
cursorMovementWhenUpdating:aSymbol |
586 |
"define what should be done with the cursor, when I update |
|
261
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|
587 |
my contents from the model. Allowed arguments are: |
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|
588 |
#keep / nil -> stay where it was |
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|
589 |
#endOfLine -> position cursor after the string |
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|
590 |
#beginOfLine -> position cursor to the beginning |
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|
591 |
The default is #endOfLine. |
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|
592 |
This may be useful for fields which get new values assigned from |
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|
593 |
the program (i.e. not from the user)" |
125 | 594 |
|
192 | 595 |
cursorMovementWhenUpdating := aSymbol |
261
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|
596 |
|
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|
597 |
"Modified: 16.12.1995 / 16:27:55 / cg" |
192 | 598 |
! |
599 |
||
600 |
disable |
|
261
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|
601 |
"disable the field; hide the cursor and ignore input" |
192 | 602 |
|
603 |
enabled ifTrue:[ |
|
261
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|
604 |
enabled := false. |
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changeset
|
605 |
self hideCursor |
125 | 606 |
] |
261
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|
607 |
|
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|
608 |
"Modified: 16.12.1995 / 16:28:05 / cg" |
125 | 609 |
! |
610 |
||
192 | 611 |
enable |
261
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|
612 |
"enable the field; show the cursor and allow input" |
127 | 613 |
|
192 | 614 |
enabled ifFalse:[ |
615 |
"/ enableAction notNil ifTrue:[ |
|
616 |
"/ enableAction value |
|
617 |
"/ ]. |
|
261
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|
618 |
enabled := true. |
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|
619 |
super showCursor |
192 | 620 |
] |
261
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|
621 |
|
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|
622 |
"Modified: 16.12.1995 / 16:28:09 / cg" |
127 | 623 |
! |
624 |
||
192 | 625 |
enableAction:aBlock |
626 |
"define an action to be evaluated when enabled by clicking upon" |
|
627 |
||
628 |
enableAction := aBlock |
|
629 |
! |
|
125 | 630 |
|
192 | 631 |
entryCompletionBlock:aOneArgBlock |
632 |
"define an action to be evaluated when Tab (NameCompletion) is pressed. |
|
633 |
The block gets the current contents as argument." |
|
634 |
||
635 |
entryCompletionBlock := aOneArgBlock |
|
125 | 636 |
! |
637 |
||
192 | 638 |
immediateAccept:aBoolean |
261
afcea54bd74e
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|
639 |
"set/clear the immediateAccept flag. The default is false. |
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|
640 |
If true, every pressed key immediately accepts my |
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diff
changeset
|
641 |
string into the valueHolder (if any)." |
155 | 642 |
|
192 | 643 |
immediateAccept := aBoolean |
261
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changeset
|
644 |
|
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diff
changeset
|
645 |
"Modified: 16.12.1995 / 16:25:57 / cg" |
192 | 646 |
! |
155 | 647 |
|
192 | 648 |
leaveAction:aBlock |
261
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|
649 |
"define an action to be evaluated when field is left by return or cursor keys. |
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|
650 |
(actually, the set of keys can be specified with #leaveKeys:)" |
192 | 651 |
|
652 |
leaveAction := aBlock |
|
261
afcea54bd74e
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changeset
|
653 |
|
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diff
changeset
|
654 |
"Modified: 16.12.1995 / 16:26:36 / cg" |
155 | 655 |
! |
656 |
||
192 | 657 |
leaveKeys:aCollectionOfKeySymbols |
658 |
"define the set of keys which are interpreted as leaveKeys. |
|
659 |
I.e. those that make the field inactive and accept (if acceptOnLeave is true). |
|
660 |
The default is a set of #CursorUp, #CursorDown, #Next, #Prior and #Return." |
|
155 | 661 |
|
192 | 662 |
leaveKeys := aCollectionOfKeySymbols |
663 |
! |
|
155 | 664 |
|
192 | 665 |
tabAction:aBlock |
666 |
"define an action to be evaluated when the tabulator key is pressed." |
|
155 | 667 |
|
192 | 668 |
tabAction := aBlock |
187 | 669 |
! ! |
125 | 670 |
|
261
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|
671 |
!EditField methodsFor:'accessing-channels'! |
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diff
changeset
|
672 |
|
afcea54bd74e
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diff
changeset
|
673 |
enableChannel |
afcea54bd74e
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diff
changeset
|
674 |
^ enableChannel |
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diff
changeset
|
675 |
|
afcea54bd74e
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diff
changeset
|
676 |
"Modified: 6.9.1995 / 13:43:33 / claus" |
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diff
changeset
|
677 |
"Created: 16.12.1995 / 16:29:05 / cg" |
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diff
changeset
|
678 |
"Modified: 16.12.1995 / 16:48:47 / cg" |
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Claus Gittinger <cg@exept.de>
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258
diff
changeset
|
679 |
! |
afcea54bd74e
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Claus Gittinger <cg@exept.de>
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258
diff
changeset
|
680 |
|
afcea54bd74e
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diff
changeset
|
681 |
enableChannel:aValueHolder |
afcea54bd74e
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Claus Gittinger <cg@exept.de>
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258
diff
changeset
|
682 |
|wasEnabled| |
afcea54bd74e
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Claus Gittinger <cg@exept.de>
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258
diff
changeset
|
683 |
|
afcea54bd74e
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diff
changeset
|
684 |
enableChannel notNil ifTrue:[ |
afcea54bd74e
added channel-enable (needs overall cleanup)
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258
diff
changeset
|
685 |
wasEnabled := enableChannel value. |
afcea54bd74e
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258
diff
changeset
|
686 |
enableChannel retractInterestsFor:self. |
afcea54bd74e
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Claus Gittinger <cg@exept.de>
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258
diff
changeset
|
687 |
] ifFalse:[ |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
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258
diff
changeset
|
688 |
wasEnabled := enabled |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
689 |
]. |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
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258
diff
changeset
|
690 |
enableChannel := aValueHolder. |
afcea54bd74e
added channel-enable (needs overall cleanup)
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258
diff
changeset
|
691 |
aValueHolder onChangeSend:#enableStateChange to:self. |
afcea54bd74e
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Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
692 |
enableChannel value ~~ wasEnabled ifTrue:[ |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
693 |
self enableStateChange |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
694 |
] |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
695 |
|
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
696 |
"Created: 16.12.1995 / 16:35:32 / cg" |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
697 |
! ! |
afcea54bd74e
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Claus Gittinger <cg@exept.de>
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258
diff
changeset
|
698 |
|
187 | 699 |
!EditField methodsFor:'accessing-contents'! |
125 | 700 |
|
187 | 701 |
contents |
702 |
"return contents as a string |
|
703 |
- redefined since EditFields hold only one line of text. |
|
704 |
In your application, please use #editValue; |
|
705 |
it uses a converter (if any) and is compatible to ST-80." |
|
706 |
||
707 |
list isNil ifTrue:[^ '']. |
|
708 |
(list size == 0) ifTrue:[^ '']. |
|
709 |
^ list at:1 |
|
710 |
! |
|
711 |
||
125 | 712 |
contents:someText |
713 |
"set the contents from a string |
|
714 |
- redefined to place the cursor to the end. |
|
715 |
In your application, please use #editValue:; |
|
716 |
it uses a converter (if any) and is compatible to ST-80." |
|
717 |
||
187 | 718 |
|newCol| |
719 |
||
720 |
newCol := cursorCol. |
|
721 |
||
125 | 722 |
super contents:someText. |
723 |
||
187 | 724 |
cursorMovementWhenUpdating == #endOfLine ifTrue:[ |
725 |
newCol := (someText size + 1). |
|
726 |
] ifFalse:[ |
|
727 |
cursorMovementWhenUpdating == #beginOfLine ifTrue:[ |
|
728 |
newCol := 1 |
|
729 |
] ifFalse:[ |
|
730 |
"/ default: stay where it was |
|
731 |
] |
|
732 |
]. |
|
125 | 733 |
|
187 | 734 |
self cursorCol:newCol. |
125 | 735 |
! |
736 |
||
192 | 737 |
converter |
738 |
"return the converter (if any)." |
|
739 |
||
740 |
^ converter |
|
741 |
! |
|
742 |
||
743 |
converter:aConverter |
|
744 |
"set the converter. If non-nil, |
|
745 |
the converter is applied to the text to convert from the string |
|
746 |
representation to the actual object value and vice versa. |
|
747 |
The default converter is nil, meaning no-conversion |
|
748 |
(i.e. the edited object is the string itself." |
|
749 |
||
750 |
converter := aConverter |
|
751 |
! |
|
752 |
||
125 | 753 |
editValue |
754 |
"if the field edits a string, this is a name alias for #contents. |
|
755 |
Otherwise, if there is a converter, return the edited string |
|
756 |
converted to an appropriate object." |
|
757 |
||
758 |
|string| |
|
759 |
||
760 |
string := self contents. |
|
279 | 761 |
string isNil ifTrue:[string := '']. |
125 | 762 |
converter isNil ifTrue:[^ string]. |
763 |
^ converter readValueFrom:string |
|
764 |
! |
|
0 | 765 |
|
125 | 766 |
editValue:aStringOrObject |
767 |
"set the contents. If there is a converter, use it to convert |
|
768 |
the object into a printed representation. |
|
769 |
Otherwise, the argument is supposed to be a string like object, |
|
770 |
and used directly (i.e. this is equivalent to sending #contents:)." |
|
771 |
||
772 |
self editValue:aStringOrObject selected:false |
|
0 | 773 |
! |
774 |
||
125 | 775 |
editValue:aStringOrObject selected:aBoolean |
776 |
"set the contents. If there is a converter, use it to convert |
|
777 |
the object into a printed representation. |
|
778 |
Otherwise, the argument is supposed to be a string like object, |
|
187 | 779 |
and used directly (i.e. this is equivalent to sending #initialText:selected:)." |
125 | 780 |
|
781 |
|string| |
|
782 |
||
783 |
converter notNil ifTrue:[ |
|
784 |
string := converter printStringFor:aStringOrObject |
|
785 |
] ifFalse:[ |
|
786 |
string := aStringOrObject. |
|
787 |
]. |
|
788 |
self contents:string. |
|
789 |
aBoolean ifTrue:[ |
|
790 |
self selectFromLine:1 col:1 toLine:1 col:string size |
|
791 |
] |
|
792 |
! |
|
793 |
||
192 | 794 |
initialText:aString |
795 |
"set the initialText and select it" |
|
796 |
||
797 |
self initialText:aString selected:true |
|
798 |
! |
|
799 |
||
187 | 800 |
initialText:aString selected:aBoolean |
801 |
"set the initialText and select it if aBoolean is true" |
|
802 |
||
803 |
|len s| |
|
125 | 804 |
|
187 | 805 |
leftOffset := 0. |
806 |
(s := aString) notNil ifTrue:[ |
|
807 |
s := s asString |
|
808 |
]. |
|
809 |
self contents:s. |
|
810 |
aBoolean ifTrue:[ |
|
811 |
(len := s size) ~~ 0 ifTrue:[ |
|
812 |
self selectFromLine:1 col:1 toLine:1 col:len |
|
813 |
] |
|
814 |
] |
|
815 |
! |
|
816 |
||
192 | 817 |
list:someText |
818 |
"low level access to the underlying contents' list. |
|
819 |
Redefined to force text to 1 line, and notify dependents |
|
820 |
of any changed extent-wishes (for automatic box resizing)." |
|
821 |
||
822 |
|l oldWidth| |
|
187 | 823 |
|
192 | 824 |
l := someText. |
825 |
l size > 1 ifTrue:[ |
|
826 |
l := OrderedCollection with:(l at:1) |
|
827 |
]. |
|
828 |
oldWidth := self widthOfContents. |
|
829 |
super list:l. |
|
830 |
self widthOfContents ~~ oldWidth ifTrue:[ |
|
831 |
self changed:#preferredExtent |
|
832 |
] |
|
187 | 833 |
! |
834 |
||
835 |
stringValue |
|
836 |
"alias for #contents - for compatibility with ST-80's InputField" |
|
837 |
||
838 |
^ self contents |
|
839 |
! ! |
|
840 |
||
841 |
!EditField methodsFor:'accessing-look'! |
|
125 | 842 |
|
155 | 843 |
maxChars |
844 |
"return the maximum number of characters that are allowed in |
|
845 |
the field. |
|
846 |
A limit of nil means: unlimited. This is the default." |
|
847 |
||
848 |
^ lengthLimit |
|
849 |
||
850 |
"Modified: 6.9.1995 / 13:43:33 / claus" |
|
851 |
! |
|
852 |
||
125 | 853 |
maxChars:aNumberOrNil |
854 |
"set the maximum number of characters that are allowed in |
|
855 |
the field. Additional input will be ignored by the field. |
|
856 |
A limit of nil means: unlimited. This is the default. |
|
857 |
This method has been renamed from #lengthLimit: for ST-80 |
|
858 |
compatibility." |
|
859 |
||
860 |
lengthLimit := aNumberOrNil |
|
187 | 861 |
! |
862 |
||
192 | 863 |
passwordCharacter |
261
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
864 |
"return the passwordCharacter; |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
865 |
If nonNil, that one is replacing typed input |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
866 |
(for secret input)" |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
867 |
|
192 | 868 |
^ passwordCharacter |
0 | 869 |
|
192 | 870 |
"Modified: 6.9.1995 / 12:25:39 / claus" |
261
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
871 |
"Modified: 16.12.1995 / 16:24:25 / cg" |
125 | 872 |
! |
873 |
||
192 | 874 |
passwordCharacter:aCharacter |
261
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
875 |
"set the passwordCharacter; |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
876 |
If nonNil, that one is replacing typed input |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
877 |
(for secret input)" |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
878 |
|
192 | 879 |
passwordCharacter := aCharacter |
97 | 880 |
|
192 | 881 |
"Modified: 6.9.1995 / 12:25:33 / claus" |
261
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
882 |
"Modified: 16.12.1995 / 16:24:33 / cg" |
38 | 883 |
! ! |
884 |
||
0 | 885 |
!EditField methodsFor:'cursor drawing'! |
886 |
||
155 | 887 |
drawFromVisibleLine:startVisLineNr to:endVisLineNr with:fg and:bg |
888 |
startVisLineNr to:endVisLineNr do:[:visLine | |
|
889 |
self drawVisibleLine:visLine with:fg and:bg |
|
890 |
] |
|
891 |
||
892 |
"Modified: 6.9.1995 / 12:24:29 / claus" |
|
893 |
! |
|
894 |
||
0 | 895 |
showCursor |
896 |
"make cursor visible if currently invisible - but only if this |
|
897 |
EditField is enabled" |
|
898 |
||
899 |
enabled ifTrue:[super showCursor] |
|
900 |
! ! |
|
901 |
||
902 |
!EditField methodsFor:'cursor movement'! |
|
903 |
||
125 | 904 |
cursorCol:col |
905 |
"redefined to lock the cursor at the end, if I have a lngthLimit" |
|
906 |
||
907 |
|c sz| |
|
908 |
||
909 |
c := col. |
|
910 |
lengthLimit notNil ifTrue:[ |
|
911 |
sz := lengthLimit. |
|
912 |
c > sz ifTrue:[ |
|
913 |
c := sz+1. |
|
914 |
] |
|
915 |
]. |
|
916 |
super cursorCol:c |
|
917 |
! |
|
918 |
||
0 | 919 |
cursorDown |
920 |
"catch cursor movement" |
|
921 |
||
922 |
(cursorVisibleLine == nLinesShown) ifFalse:[ |
|
59 | 923 |
super cursorDown |
0 | 924 |
] |
192 | 925 |
! |
926 |
||
927 |
cursorLine:line col:col |
|
928 |
"catch cursor movement" |
|
929 |
||
930 |
super cursorLine:1 col:col |
|
931 |
! ! |
|
932 |
||
933 |
!EditField methodsFor:'editing'! |
|
934 |
||
935 |
paste:someText |
|
936 |
"redefined to force text to 1 line" |
|
937 |
||
938 |
super paste:someText. |
|
939 |
list size > 1 ifTrue:[ |
|
940 |
self deleteFromLine:2 toLine:(list size) |
|
941 |
] |
|
0 | 942 |
! ! |
943 |
||
70 | 944 |
!EditField methodsFor:'event handling'! |
19 | 945 |
|
192 | 946 |
buttonPress:button x:x y:y |
947 |
"enable myself on mouse click" |
|
948 |
||
949 |
enabled ifFalse:[ |
|
950 |
enabled := true. |
|
951 |
super buttonPress:button x:x y:y. |
|
952 |
enableAction notNil ifTrue:[ |
|
953 |
enableAction value |
|
954 |
] |
|
955 |
] ifTrue:[ |
|
956 |
super buttonPress:button x:x y:y |
|
957 |
] |
|
958 |
! |
|
959 |
||
960 |
canHandle:aKey |
|
961 |
"return true, if the receiver would like to handle aKey |
|
962 |
(usually from another view, when the receiver is part of |
|
963 |
a more complex dialog box). |
|
964 |
We do return true here, since the editfield will handle |
|
965 |
all keys. |
|
966 |
OBSOLETE: dont use this anymore - its a leftover for the tableWidget" |
|
967 |
||
968 |
^ true |
|
969 |
! |
|
970 |
||
261
afcea54bd74e
added channel-enable (needs overall cleanup)
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parents:
258
diff
changeset
|
971 |
enableStateChange |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
972 |
enableChannel value ifTrue:[ |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
973 |
self enable |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
974 |
] ifFalse:[ |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
975 |
self disable |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
976 |
]. |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
977 |
|
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
978 |
"Created: 16.12.1995 / 16:35:39 / cg" |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
979 |
"Modified: 16.12.1995 / 16:36:13 / cg" |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
980 |
! |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
981 |
|
192 | 982 |
focusIn |
983 |
"got the explicit focus" |
|
984 |
||
985 |
enabled ifFalse:[ |
|
986 |
enabled := true. |
|
987 |
super focusIn. |
|
988 |
enableAction notNil ifTrue:[ |
|
989 |
enableAction value |
|
990 |
] |
|
991 |
] ifTrue:[ |
|
992 |
super focusIn |
|
993 |
]. |
|
994 |
! |
|
995 |
||
125 | 996 |
keyPress:key x:x y:y |
997 |
"if keyHandler is defined, pass input; otherwise check for leave |
|
998 |
keys" |
|
999 |
||
132 | 1000 |
<resource: #keyboard (#DeleteLine #EndOfText)> |
1001 |
||
163 | 1002 |
|leave xCol newOffset oldWidth newWidth s| |
125 | 1003 |
|
1004 |
enabled ifFalse:[ |
|
279 | 1005 |
^ self |
125 | 1006 |
]. |
1007 |
||
1008 |
(key == #DeleteLine) ifTrue:[ |
|
279 | 1009 |
Smalltalk at:#CopyBuffer put:(self contents). |
1010 |
self contents:''. ^ self |
|
125 | 1011 |
]. |
19 | 1012 |
|
125 | 1013 |
(key == #Tab) ifTrue:[ |
279 | 1014 |
tabAction notNil ifTrue:[tabAction value. ^ self]. |
1015 |
entryCompletionBlock notNil ifTrue:[ |
|
1016 |
s := self contents. |
|
1017 |
s isNil ifTrue:[ |
|
1018 |
s := '' |
|
1019 |
] ifFalse:[ |
|
1020 |
s := s asString |
|
1021 |
]. |
|
1022 |
entryCompletionBlock value:s. ^ self |
|
1023 |
] |
|
125 | 1024 |
]. |
1025 |
(key == #Return) ifTrue:[ |
|
279 | 1026 |
crAction notNil ifTrue:[crAction value. ^ self]. |
125 | 1027 |
]. |
1028 |
leave := leaveKeys includes:key. |
|
1029 |
leave ifTrue:[ |
|
121 | 1030 |
|
279 | 1031 |
((key == #Return and:[acceptOnReturn]) |
1032 |
or:[key ~~ #Return and:[acceptOnLeave]]) ifTrue:[ |
|
1033 |
self accept. |
|
1034 |
]. |
|
1035 |
||
1036 |
leaveAction notNil ifTrue:[ |
|
1037 |
^ leaveAction value:key |
|
1038 |
]. |
|
125 | 1039 |
|
279 | 1040 |
x >= 0 ifTrue:[ |
1041 |
" |
|
1042 |
let superview know about the leave ... |
|
1043 |
This is a temporary kludge for the tableWidget - |
|
1044 |
it is no clean coding style. Should make the tableWidget |
|
1045 |
a proper model and handle it via the changed mechanism .... |
|
1046 |
" |
|
1047 |
(superView notNil and:[superView canHandle:key from:self]) ifTrue:[ |
|
1048 |
superView keyPress:key x:x y:y. |
|
1049 |
]. |
|
1050 |
]. |
|
1051 |
^ self |
|
19 | 1052 |
]. |
121 | 1053 |
|
125 | 1054 |
" |
1055 |
ignore some keys (if not a leaveKey) ... |
|
1056 |
" |
|
1057 |
(key == #Find) ifTrue:[^self]. |
|
1058 |
(key == #FindNext) ifTrue:[^self]. |
|
1059 |
(key == #FindPrev) ifTrue:[^self]. |
|
1060 |
(key == #GotoLine) ifTrue:[^self]. |
|
1061 |
||
1062 |
" |
|
1063 |
a normal key - let superclass's method insert it |
|
1064 |
" |
|
1065 |
oldWidth := self widthOfContents. |
|
1066 |
super keyPress:key x:x y:y. |
|
1067 |
||
1068 |
" |
|
1069 |
for end-of-text, also move to end-of-line |
|
1070 |
" |
|
1071 |
key == #EndOfText ifTrue:[ |
|
279 | 1072 |
super keyPress:#EndOfLine x:x y:y. |
125 | 1073 |
]. |
1074 |
newWidth := self widthOfContents. |
|
1075 |
||
1076 |
" |
|
1077 |
should (& can) we resize ? |
|
1078 |
" |
|
1079 |
xCol := (self xOfCol:cursorCol inVisibleLine:cursorLine) - leftOffset. |
|
1080 |
(xCol > (width * (5/6))) ifTrue:[ |
|
279 | 1081 |
self changed:#preferredExtent |
125 | 1082 |
] ifFalse:[ |
279 | 1083 |
newWidth < (width * (1/6)) ifTrue:[ |
1084 |
self changed:#preferredExtent |
|
1085 |
] |
|
125 | 1086 |
]. |
1087 |
||
1088 |
" |
|
155 | 1089 |
did someone react (i.e. has my extent changed) ? |
125 | 1090 |
(if not, we scroll horizontally) |
1091 |
" |
|
1092 |
xCol := (self xOfCol:cursorCol inVisibleLine:cursorLine) - leftOffset. |
|
1093 |
(xCol > (width * (5/6))) ifTrue:[ |
|
279 | 1094 |
newOffset := leftOffset + (width // 2). |
125 | 1095 |
] ifFalse:[ |
279 | 1096 |
(xCol < (width * (1/6))) ifTrue:[ |
1097 |
newOffset := 0 max: leftOffset - (width // 2). |
|
1098 |
] ifFalse:[ |
|
1099 |
newOffset := leftOffset |
|
1100 |
] |
|
125 | 1101 |
]. |
1102 |
newOffset ~~ leftOffset ifTrue:[ |
|
279 | 1103 |
self scrollHorizontalTo:newOffset. |
155 | 1104 |
"/ leftOffset := newOffset. |
1105 |
"/ self clear. |
|
1106 |
"/ self redraw |
|
125 | 1107 |
] |
192 | 1108 |
! ! |
1109 |
||
1110 |
!EditField methodsFor:'initialization'! |
|
1111 |
||
1112 |
editMenu |
|
1113 |
|labels selectors m| |
|
1114 |
||
1115 |
labels := #( |
|
1116 |
'copy' |
|
1117 |
'cut' |
|
1118 |
'paste' |
|
1119 |
" |
|
1120 |
'replace' |
|
1121 |
" |
|
1122 |
'-' |
|
1123 |
'accept' |
|
1124 |
). |
|
1125 |
||
1126 |
selectors := #( |
|
1127 |
copySelection |
|
1128 |
cut |
|
1129 |
paste |
|
1130 |
" |
|
1131 |
replace |
|
1132 |
" |
|
1133 |
nil |
|
1134 |
accept |
|
1135 |
). |
|
1136 |
||
1137 |
m := PopUpMenu |
|
1138 |
labels:(resources array:labels) |
|
1139 |
selectors:selectors. |
|
1140 |
||
1141 |
self hasSelection ifFalse:[ |
|
1142 |
m disableAll:#(copySelection cut) |
|
1143 |
]. |
|
1144 |
||
1145 |
^ m |
|
19 | 1146 |
! |
0 | 1147 |
|
192 | 1148 |
initStyle |
1149 |
super initStyle. |
|
1150 |
||
1151 |
DefaultBackgroundColor notNil ifTrue:[ |
|
1152 |
bgColor := DefaultBackgroundColor on:device. |
|
1153 |
self viewBackground:bgColor. |
|
1154 |
]. |
|
1155 |
fgColor := DefaultForegroundColor. |
|
1156 |
selectionFgColor := DefaultSelectionForegroundColor. |
|
1157 |
selectionBgColor := DefaultSelectionBackgroundColor. |
|
1158 |
||
1159 |
DefaultFont notNil ifTrue:[ |
|
1160 |
font := DefaultFont on:device |
|
1161 |
] |
|
1162 |
! |
|
0 | 1163 |
|
192 | 1164 |
initialize |
1165 |
super initialize. |
|
1166 |
self height:(font height + font descent + (topMargin * 2)). |
|
1167 |
enabled := true. |
|
1168 |
fixedSize := true. |
|
1169 |
nFullLinesShown := 1. |
|
1170 |
nLinesShown := 1. |
|
1171 |
immediateAccept := false. |
|
1172 |
"/ acceptOnLeave := false. |
|
1173 |
"/ acceptOnReturn := false. |
|
1174 |
acceptOnLeave := acceptOnReturn := true. |
|
1175 |
cursorShown := true. |
|
1176 |
leaveKeys := self class defaultLeaveKeys. |
|
1177 |
cursorMovementWhenUpdating := #endOfLine |
|
1178 |
! ! |
|
1179 |
||
1180 |
!EditField methodsFor:'private'! |
|
1181 |
||
1182 |
argForChangeMessage |
|
1183 |
"redefined to send use converted value (if I have one)" |
|
1184 |
||
1185 |
^ self editValue |
|
1186 |
! |
|
1187 |
||
1188 |
getListFromModel |
|
1189 |
"redefined to aquire the text via the aspectMsg - not the listMsg, |
|
1190 |
and to ignore updates resulting from my own change." |
|
1191 |
||
1192 |
" |
|
1193 |
ignore updates from my own change |
|
1194 |
" |
|
1195 |
lockUpdates ifTrue:[ |
|
1196 |
lockUpdates := false. |
|
1197 |
^ self |
|
1198 |
]. |
|
1199 |
||
1200 |
(model notNil and:[aspectMsg notNil]) ifTrue:[ |
|
1201 |
self editValue:(model perform:aspectMsg). |
|
0 | 1202 |
] |
1203 |
! |
|
1204 |
||
192 | 1205 |
startAutoScrollDown:y |
1206 |
"no vertical scrolling in editfields" |
|
1207 |
||
1208 |
^ self |
|
1209 |
! |
|
1210 |
||
1211 |
startAutoScrollUp:y |
|
1212 |
"no vertical scrolling in editfields" |
|
1213 |
||
1214 |
^ self |
|
1215 |
! |
|
0 | 1216 |
|
192 | 1217 |
textChanged |
1218 |
"this is sent by mySelf (somewhere in a superclass) whenever |
|
1219 |
my contents has changed. |
|
1220 |
A good place to add immediateAccept functionality and check for the |
|
1221 |
lengthLimit." |
|
1222 |
||
1223 |
|string c| |
|
1224 |
||
1225 |
super textChanged. |
|
1226 |
string := self contents. |
|
1227 |
lengthLimit notNil ifTrue:[ |
|
1228 |
string size > lengthLimit ifTrue:[ |
|
1229 |
c := cursorCol. |
|
1230 |
self contents:(string copyTo:lengthLimit). |
|
1231 |
self flash. |
|
1232 |
self cursorCol:c. |
|
125 | 1233 |
] |
0 | 1234 |
]. |
192 | 1235 |
immediateAccept ifTrue:[ |
1236 |
self accept |
|
1237 |
] |
|
105 | 1238 |
! |
1239 |
||
192 | 1240 |
visibleAt:visLineNr |
1241 |
"return the string at lineNr for display. |
|
1242 |
If there is a password character, return a string consisting of those only." |
|
1243 |
||
1244 |
|s| |
|
105 | 1245 |
|
192 | 1246 |
s := super visibleAt:visLineNr. |
1247 |
passwordCharacter notNil ifTrue:[ |
|
1248 |
^ String new:(s size) withAll:passwordCharacter |
|
1249 |
]. |
|
1250 |
^ s |
|
1251 |
||
1252 |
"Modified: 6.9.1995 / 12:25:06 / claus" |
|
0 | 1253 |
! ! |
125 | 1254 |
|
192 | 1255 |
!EditField methodsFor:'queries'! |
1256 |
||
1257 |
preferredExtent |
|
1258 |
"return the preferred extent of this view. |
|
1259 |
That is the width of the string plus some extra, |
|
1260 |
but not wider than half of the screen" |
|
1261 |
||
1262 |
|string w f| |
|
125 | 1263 |
|
192 | 1264 |
string := self contents. |
1265 |
(string isNil or:[string isBlank]) ifTrue:[ |
|
1266 |
string := ' ' "/ just any string is ok ^ super preferredExtent |
|
1267 |
]. |
|
1268 |
f := font on:device. |
|
1269 |
w := ((f widthOf:string) * 1.5) rounded. |
|
1270 |
w := w min:(device width // 2). |
|
231 | 1271 |
"/ ^ w @ (f height * 1.5) rounded |
1272 |
^ w @ (f height + f descent + (margin * 2)"* 1.5") rounded |
|
192 | 1273 |
|
1274 |
"Modified: 6.9.1995 / 19:24:06 / claus" |
|
1275 |
! |
|
1276 |
||
1277 |
specClass |
|
1278 |
self class == EditField ifTrue:[^ InputFieldSpec]. |
|
1279 |
^ nil |
|
125 | 1280 |
|
192 | 1281 |
"Modified: 5.9.1995 / 17:28:27 / claus" |
1282 |
! ! |
|
1283 |
||
1284 |
!EditField methodsFor:'realization'! |
|
1285 |
||
1286 |
realize |
|
1287 |
"scroll back to beginning when realized" |
|
1288 |
leftOffset := 0. |
|
1289 |
super realize |
|
125 | 1290 |
! ! |
192 | 1291 |
|
1292 |
!EditField methodsFor:'scrolling'! |
|
1293 |
||
1294 |
makeColVisible:col inLine:line |
|
1295 |
"dont scroll for the cursor, if its behond the text and a lengthLimit |
|
1296 |
is present." |
|
1297 |
||
1298 |
lengthLimit notNil ifTrue:[ |
|
1299 |
(col == cursorCol and:[col > lengthLimit]) ifTrue:[ |
|
1300 |
^ super makeColVisible:lengthLimit inLine:line |
|
1301 |
] |
|
1302 |
]. |
|
1303 |
^ super makeColVisible:col inLine:line |
|
1304 |
||
1305 |
"Modified: 6.9.1995 / 13:57:53 / claus" |
|
1306 |
! ! |
|
1307 |
||
261
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
1308 |
!EditField methodsFor:'selections'! |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
1309 |
|
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
1310 |
validateNewSelection |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
1311 |
"make certain that only one line is ever selected" |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
1312 |
|
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
1313 |
selectionEndLine > 1 ifTrue:[ |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
1314 |
selectionEndLine := 2. selectionEndCol := 0 |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
1315 |
]. |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
1316 |
! ! |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
1317 |
|
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
1318 |
!EditField class methodsFor:'documentation'! |
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
1319 |
|
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
1320 |
version |
279 | 1321 |
^ '$Header: /cvs/stx/stx/libwidg/EditField.st,v 1.37 1996-01-10 14:48:41 ca Exp $' |
261
afcea54bd74e
added channel-enable (needs overall cleanup)
Claus Gittinger <cg@exept.de>
parents:
258
diff
changeset
|
1322 |
! ! |