1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/*******************************************************************************
* Copyright (c) 2015, 2016 Obeo.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Obeo - initial API and implementation
*******************************************************************************/
package org.eclipse.eef.ide.ui.internal.widgets;
import com.google.common.base.Objects;
import org.eclipse.eef.EEFLabelDescription;
import org.eclipse.eef.EEFLabelStyle;
import org.eclipse.eef.EEFWidgetDescription;
import org.eclipse.eef.EEFWidgetStyle;
import org.eclipse.eef.common.ui.api.EEFWidgetFactory;
import org.eclipse.eef.common.ui.api.IEEFFormContainer;
import org.eclipse.eef.core.api.EditingContextAdapter;
import org.eclipse.eef.core.api.controllers.EEFControllersFactory;
import org.eclipse.eef.core.api.controllers.IConsumer;
import org.eclipse.eef.core.api.controllers.IEEFLabelController;
import org.eclipse.eef.core.api.controllers.IEEFWidgetController;
import org.eclipse.eef.ide.ui.api.widgets.AbstractEEFWidgetLifecycleManager;
import org.eclipse.eef.ide.ui.internal.widgets.EEFStyleHelper.IEEFTextStyleCallback;
import org.eclipse.sirius.common.interpreter.api.IInterpreter;
import org.eclipse.sirius.common.interpreter.api.IVariableManager;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
/**
* This class will be used in order to manage the lifecycle of a label.
*
* @author mbats
*/
public class EEFLabelLifecycleManager extends AbstractEEFWidgetLifecycleManager {
/**
* This constant is used in order to tell SWT that the label should be 300px wide even if it is not useful. The
* layout data should work by themselves but it seems that there is a bug with SWT so, this useless information on
* the width of the label make it work. Don't ask me why :)
*/
private static final int LABEL_WIDTH_HINT = 300;
/**
* The description.
*/
private EEFLabelDescription description;
/**
* The body.
*/
private StyledText body;
/**
* The controller.
*/
private IEEFLabelController controller;
/**
* The constructor.
*
* @param description
* The description
* @param variableManager
* The variable manager
* @param interpreter
* The interpreter
* @param contextAdapter
* The editing context adapter
*/
public EEFLabelLifecycleManager(EEFLabelDescription description, IVariableManager variableManager, IInterpreter interpreter,
EditingContextAdapter contextAdapter) {
super(variableManager, interpreter, contextAdapter);
this.description = description;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.api.widgets.AbstractEEFWidgetLifecycleManager#createMainControl(org.eclipse.swt.widgets.Composite,
* org.eclipse.eef.common.ui.api.IEEFFormContainer)
*/
@Override
protected void createMainControl(Composite parent, IEEFFormContainer formContainer) {
EEFWidgetFactory widgetFactory = formContainer.getWidgetFactory();
this.body = widgetFactory.createStyledText(parent, SWT.WRAP);
GridData gridData = new GridData(SWT.FILL, SWT.BEGINNING, true, false);
// TODO Add a linecount property to the label and use it to compute the height of the widget
gridData.heightHint = this.body.getLineHeight();
gridData.widthHint = LABEL_WIDTH_HINT;
gridData.horizontalIndent = VALIDATION_MARKER_OFFSET;
this.body.setLayoutData(gridData);
this.body.setEditable(false);
this.controller = new EEFControllersFactory().createLabelController(this.description, this.variableManager, this.interpreter);
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.api.widgets.AbstractEEFWidgetLifecycleManager#getLabelVerticalAlignment()
*/
@Override
protected int getLabelVerticalAlignment() {
return GridData.VERTICAL_ALIGN_CENTER;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.api.widgets.IEEFLifecycleManager#aboutToBeShown()
*/
@Override
public void aboutToBeShown() {
super.aboutToBeShown();
this.controller.onNewValue(new IConsumer<String>() {
@Override
public void apply(String value) {
if (!body.isDisposed()) {
if (!(body.getText() != null && body.getText().equals(value))) {
body.setText(Objects.firstNonNull(value, "")); //$NON-NLS-1$
}
EEFLabelLifecycleManager.this.setStyle();
}
}
});
}
/**
* Set the style.
*/
private void setStyle() {
EEFStyleHelper styleHelper = new EEFStyleHelper(this.interpreter, this.variableManager);
EEFWidgetStyle style = styleHelper.getWidgetStyle(this.description);
if (style instanceof EEFLabelStyle) {
EEFLabelStyle labelStyle = (EEFLabelStyle) style;
IEEFTextStyleCallback callback = new EEFStyledTextStyleCallback(this.body);
styleHelper.applyTextStyle(labelStyle.getFontNameExpression(), labelStyle.getFontSizeExpression(), labelStyle.getFontStyleExpression(),
this.body.getFont(), labelStyle.getBackgroundColorExpression(), labelStyle.getForegroundColorExpression(), callback);
}
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.api.widgets.AbstractEEFWidgetLifecycleManager#refresh()
*/
@Override
public void refresh() {
super.refresh();
this.body.setEnabled(isEnabled());
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.api.widgets.IEEFLifecycleManager#aboutToBeHidden()
*/
@Override
public void aboutToBeHidden() {
super.aboutToBeHidden();
this.controller.removeNewValueConsumer();
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.api.widgets.IEEFLifecycleManager#dispose()
*/
@Override
protected IEEFWidgetController getController() {
return this.controller;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.api.widgets.AbstractEEFWidgetLifecycleManager#getController()
*/
@Override
protected EEFWidgetDescription getWidgetDescription() {
return this.description;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.eef.ide.ui.api.widgets.AbstractEEFWidgetLifecycleManager#getValidationControl()
*/
@Override
protected Control getValidationControl() {
return this.body;
}
}
|
