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Package: AbstractTextControl
AbstractTextControl
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| AbstractTextControl() |
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| bindValue() |
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| createTextWidget(Composite) |
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| createToolTip(int, String, String) |
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| createTooltipBinding(UpdateValueStrategy, UpdateValueStrategy) |
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| customizeText(Text) |
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| dispose() |
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| fillControlComposite(Composite) |
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| getControlsForTooltip() |
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| getText() |
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| getTextWidgetLayoutData() |
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| getTextWidgetStyle() |
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| isDisableRenderedAsEditable() |
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| setEditable(boolean) |
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| setUnvalidatedString(String) |
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| updateValidationColor(Color) |
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Coverage
1: /*******************************************************************************
2: * Copyright (c) 2011-2013 EclipseSource Muenchen GmbH and others.
3: *
4: * All rights reserved. This program and the accompanying materials
5: * are made available under the terms of the Eclipse Public License 2.0
6: * which accompanies this distribution, and is available at
7: * https://www.eclipse.org/legal/epl-2.0/
8: *
9: * SPDX-License-Identifier: EPL-2.0
10: *
11: * Contributors:
12: * Eugen Neufeld - initial API and implementation
13: *
14: *******************************************************************************/
15: package org.eclipse.emf.ecp.edit.internal.swt.controls;
16:
17: import java.util.Set;
18:
19: import org.eclipse.core.databinding.Binding;
20: import org.eclipse.core.databinding.UpdateValueStrategy;
21: import org.eclipse.core.databinding.observable.value.IObservableValue;
22: import org.eclipse.core.runtime.IStatus;
23: import org.eclipse.emf.databinding.EMFUpdateValueStrategy;
24: import org.eclipse.emf.ecp.view.template.model.VTStyleProperty;
25: import org.eclipse.emf.ecp.view.template.model.VTViewTemplateProvider;
26: import org.eclipse.emf.ecp.view.template.style.textControlEnablement.model.VTTextControlEnablementStyleProperty;
27: import org.eclipse.emf.edit.command.SetCommand;
28: import org.eclipse.emfforms.spi.localization.LocalizationServiceHelper;
29: import org.eclipse.jface.databinding.swt.typed.WidgetProperties;
30: import org.eclipse.swt.SWT;
31: import org.eclipse.swt.graphics.Color;
32: import org.eclipse.swt.layout.GridData;
33: import org.eclipse.swt.widgets.Composite;
34: import org.eclipse.swt.widgets.Control;
35: import org.eclipse.swt.widgets.Text;
36: import org.eclipse.swt.widgets.ToolTip;
37:
38: /**
39: * This abstract class is used as a common superclass for all widgets that use a {@link Text} widget.
40: *
41: * @author Eugen Neufeld
42: */
43: @Deprecated
44: public abstract class AbstractTextControl extends SingleControl {
45:
46: /**
47: * The {@link Text} holding the value.
48: */
49: private Text text;
50: private boolean doVerify;
51:
52: @Override
53: protected void updateValidationColor(Color color) {
54: text.setBackground(color);
55: }
56:
57: @Override
58: protected void fillControlComposite(Composite composite) {
59: doVerify = false;
60: createTextWidget(composite);
61: addControlDecoration(text);
62: }
63:
64: private void createTextWidget(Composite composite) {
65: text = new Text(composite, getTextWidgetStyle());
66: text.setLayoutData(getTextWidgetLayoutData());
67:
68:• if (getFirstStructuralFeature().isUnsettable()) {
69: text.setMessage(LocalizationServiceHelper.getString(getClass(),
70: DepricatedControlMessageKeys.AbstractTextControl_Unset));
71: }
72: text.setData(CUSTOM_VARIANT, getTextVariantID());
73: customizeText(text);
74:
75: }
76:
77: /**
78: * Creates a {@link ToolTip}.
79: *
80: * @param style the SWT style
81: * @param text the text
82: * @param message the message
83: * @return a {@link ToolTip}
84: */
85: protected ToolTip createToolTip(int style, String text, String message) {
86: final ToolTip toolTip = new ToolTip(this.text.getShell(), style);
87: toolTip.setText(text);
88: toolTip.setMessage(message);
89: return toolTip;
90:
91: }
92:
93: /**
94: * This method allows to set custom values to the text field, e.g. a tooltip or a validation.
95: *
96: * @param text the text widget to customize
97: */
98: protected void customizeText(Text text) {
99:
100: }
101:
102: /**
103: * The VariantId to use e.g. for RAP
104: *
105: * @return the String identifying this control
106: */
107: protected abstract String getTextVariantID();
108:
109: /**
110: * The LayoutData for the created {@link Text} widget. Can be changed by the concrete classes.
111: *
112: * @return the {@link GridData} to apply
113: */
114: protected GridData getTextWidgetLayoutData() {
115: return new GridData(SWT.FILL, SWT.FILL, true, true);
116: }
117:
118: /**
119: * The style to apply to the text widget. This can be changed by the concrete classes.
120: *
121: * @return the style to apply
122: */
123: protected int getTextWidgetStyle() {
124: return SWT.SINGLE | SWT.BORDER;
125: }
126:
127: @Override
128: protected Control[] getControlsForTooltip() {
129: // return new Control[] { text };
130: return new Control[0];
131: }
132:
133: /**
134: * {@inheritDoc}
135: */
136: @Override
137: public void setEditable(boolean isEditable) {
138:• if (isDisableRenderedAsEditable()) {
139: text.setEditable(isEditable);
140: }
141: text.setEnabled(isEditable);
142: }
143:
144: private boolean isDisableRenderedAsEditable() {
145:
146: final VTViewTemplateProvider vtViewTemplateProvider = getViewModelContext()
147: .getService(VTViewTemplateProvider.class);
148:• if (vtViewTemplateProvider == null) {
149: return false;
150: }
151: final Set<VTStyleProperty> styleProperties = vtViewTemplateProvider
152: .getStyleProperties(getControl(), getViewModelContext());
153:• for (final VTStyleProperty styleProperty : styleProperties) {
154:• if (VTTextControlEnablementStyleProperty.class.isInstance(styleProperty)) {
155: return VTTextControlEnablementStyleProperty.class.cast(styleProperty).isRenderDisableAsEditable();
156: }
157: }
158: return false;
159: }
160:
161: @Override
162: public Binding bindValue() {
163: final IObservableValue value = WidgetProperties.text(SWT.FocusOut).observe(text);
164: final TargetToModelUpdateStrategy targetToModelUpdateStrategy = new TargetToModelUpdateStrategy();
165: final ModelToTargetUpdateStrategy modelToTargetUpdateStrategy = new ModelToTargetUpdateStrategy();
166: final Binding binding = getDataBindingContext().bindValue(value, getModelValue(),
167: targetToModelUpdateStrategy,
168: modelToTargetUpdateStrategy);
169:
170: createTooltipBinding(targetToModelUpdateStrategy, modelToTargetUpdateStrategy);
171:
172: return binding;
173: }
174:
175: /**
176: * Creates a tooltip binding for this control.
177: *
178: * @param targetToModel the {@link UpdateValueStrategy} from target to Model
179: * @param modelToTarget the {@link UpdateValueStrategy} from model to target
180: * @return the created {@link Binding}
181: */
182: protected Binding createTooltipBinding(UpdateValueStrategy targetToModel, UpdateValueStrategy modelToTarget) {
183: final IObservableValue toolTip = WidgetProperties.tooltipText().observe(text);
184: return getDataBindingContext().bindValue(toolTip, getModelValue(),
185: targetToModel,
186: modelToTarget);
187: }
188:
189: /**
190: * Sets the content of the SWT text control to the given string without calling {@link #validateString(String)}.
191: *
192: * @param string
193: * the content of the SWT Text control
194: */
195: protected void setUnvalidatedString(String string) {
196: final boolean oldDoVerify = doVerify;
197: doVerify = false;
198: text.setText(string);
199: doVerify = oldDoVerify;
200: }
201:
202: @Override
203: public void dispose() {
204: text.dispose();
205: super.dispose();
206: }
207:
208: /**
209: * @return the text
210: */
211: public Text getText() {
212: return text;
213: }
214:
215: /**
216: * An {@link EMFUpdateConvertValueStrategy} that encapsulates the converting
217: * of the actual value. Use this class to provide a specific context
218: * for the conversion of the value, but likewise enable it clients to modify
219: * the conversion behavior.
220: *
221: * @author emueller
222: *
223: */
224: class EMFUpdateConvertValueStrategy extends EMFUpdateValueStrategy {
225:
226: /**
227: * Constructor.
228: */
229: EMFUpdateConvertValueStrategy() {
230: super();
231: }
232:
233: /*
234: * (non-Javadoc)
235: * @see org.eclipse.core.databinding.UpdateValueStrategy#convert(java.lang.Object)
236: */
237: @Override
238: public Object convert(Object value) {
239: return convertValue(value);
240: }
241:
242: protected Object convertValue(Object value) {
243: return super.convert(value);
244: }
245: }
246:
247: protected class ModelToTargetUpdateStrategy extends EMFUpdateConvertValueStrategy {
248:
249: @Override
250: public Object convert(Object value) {
251: // controlDecoration.hide();
252: // updateValidationColor(null);
253: return convertValue(value);
254: }
255:
256: }
257:
258: protected class TargetToModelUpdateStrategy extends EMFUpdateConvertValueStrategy {
259:
260: @Override
261: public IStatus validateAfterGet(Object value) {
262: final IStatus status = super.validateAfterGet(value);
263: // if (status.getSeverity() == IStatus.ERROR) {
264: // controlDecoration.show();
265: // controlDecoration.setDescriptionText(status.getMessage());
266: // } else {
267: // controlDecoration.hide();
268: // controlDecoration.setDescriptionText(null);
269: // }
270: return status;
271: }
272:
273: /**
274: * {@inheritDoc}
275: */
276: @Override
277: public Object convert(Object value) {
278: try {
279:
280: // controlDecoration.hide();
281: // updateValidationColor(null);
282: if ("".equals(value)) { //$NON-NLS-1$
283: value = null;
284: }
285: if (value == null && getFirstStructuralFeature().isUnsettable()) {
286: return SetCommand.UNSET_VALUE;
287: }
288:
289: final Object convertedValue = convertValue(value);
290:
291: return convertedValue;
292:
293: } catch (final IllegalArgumentException e) {
294: // controlDecoration.show();
295: // updateValidationColor(getText().getShell().getDisplay().getSystemColor(SWT.COLOR_RED));
296: // controlDecoration.setDescriptionText(ControlMessages.AbstractTextControl_InvalidInputSpace
297: // + e.getLocalizedMessage());
298: throw e;
299: }
300: }
301: }
302: }