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1
11 package org.eclipse.team.internal.ui.dialogs;
12
13 import java.util.ArrayList  ;
14 import java.util.Iterator ;
15 import java.util.List ;
16
17 import org.eclipse.jface.dialogs.*;
18 import org.eclipse.jface.dialogs.Dialog;
19 import org.eclipse.jface.util.IPropertyChangeListener;
20 import org.eclipse.jface.util.PropertyChangeEvent;
21 import org.eclipse.swt.SWT;
22 import org.eclipse.swt.graphics.*;
23 import org.eclipse.swt.layout.GridData;
24 import org.eclipse.swt.layout.GridLayout;
25 import org.eclipse.swt.widgets.*;
26
27
31 public abstract class DialogArea {
32
33 private FontMetrics fontMetrics;
34 private List listeners;
35
36
39 protected DialogArea() {
40 this.listeners = new ArrayList ();
41 }
42
43
50 public void addPropertyChangeListener(IPropertyChangeListener listener) {
51 if (!listeners.contains(listener))
52 listeners.add(listener);
53 }
54
59 public void removePropertyChangeListener(IPropertyChangeListener listener) {
60 listeners.remove(listener);
61 }
62
63 protected void firePropertyChangeChange(String property, Object oldValue, Object newValue) {
64 PropertyChangeEvent event = new PropertyChangeEvent(this, property, oldValue, newValue);
65 for (Iterator iter = listeners.iterator(); iter.hasNext();) {
66 IPropertyChangeListener listener = (IPropertyChangeListener) iter.next();
67 listener.propertyChange(event);
68 }
69 }
70
71
79 protected void initializeDialogUnits(Control control) {
80 GC gc = new GC(control);
82 gc.setFont(control.getFont());
83 fontMetrics = gc.getFontMetrics();
84 gc.dispose();
85 }
86
87
91 public abstract void createArea(Composite parent);
92
93 protected Button createCheckbox(Composite parent, String label, int span) {
94 Button button = new Button(parent, SWT.CHECK | SWT.LEFT);
95 button.setText(label);
96 button.setFont(parent.getFont());
97 GridData data = new GridData();
98 data.horizontalSpan = span;
99 button.setLayoutData(data);
100 return button;
101 }
102
103 protected Button createButton(Composite parent, String label, int style) {
104 Button button = new Button(parent, SWT.PUSH);
105 button.setText(label);
106 button.setFont(parent.getFont());
108 GridData data = new GridData(style);
109 data.heightHint = Dialog.convertVerticalDLUsToPixels(fontMetrics, IDialogConstants.BUTTON_HEIGHT);
110 int widthHint = Dialog.convertHorizontalDLUsToPixels(fontMetrics, IDialogConstants.BUTTON_WIDTH);
111 data.widthHint = Math.max(widthHint, button.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x);
112 button.setLayoutData(data);
113 return button;
114 }
115
116 protected Button createRadioButton(Composite parent, String label, int span) {
117 Button button = new Button(parent, SWT.RADIO);
118 button.setText(label);
119 GridData data = new GridData();
120 data.horizontalSpan = span;
121 button.setLayoutData(data);
122 return button;
123 }
124 protected Label createWrappingLabel(Composite parent, String text, int horizontalSpan) {
125 Label label = new Label(parent, SWT.LEFT | SWT.WRAP);
126 label.setText(text);
127 label.setFont(parent.getFont());
128 GridData data = new GridData();
129 data.horizontalSpan = horizontalSpan;
130 data.horizontalAlignment = GridData.FILL;
131 data.grabExcessHorizontalSpace = true;
132 data.widthHint= 0;
133 label.setLayoutData(data);
134 return label;
135 }
136 protected Label createLabel(Composite parent, String text, int horizontalSpan) {
137 Label label = new Label(parent, SWT.LEFT);
138 label.setText(text);
139 GridData data = new GridData();
140 data.horizontalSpan = horizontalSpan;
141 data.horizontalAlignment = GridData.FILL;
142 label.setLayoutData(data);
143 return label;
144 }
145
152 protected Composite createComposite(Composite parent, int numColumns, boolean grab) {
153 final Composite composite = new Composite(parent, SWT.NULL);
154 final Font font = parent.getFont();
155 composite.setFont(font);
156
157 composite.setLayout(new GridLayout(numColumns, false));
158 composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, grab, grab));
159
160 return composite;
161 }
162
163
170 protected Composite createGrabbingComposite(Composite parent, int numColumns) {
171 Composite composite = new Composite(parent, SWT.NULL);
172 Font font = parent.getFont();
173 composite.setFont(font);
174
175 GridLayout layout = new GridLayout();
177 layout.numColumns = numColumns;
178 layout.marginHeight = 0;
179 layout.marginWidth = 0;
180 composite.setLayout(layout);
181
182 GridData data = new GridData();
184 data.verticalAlignment = GridData.FILL;
185 data.horizontalAlignment = GridData.FILL;
186 data.grabExcessHorizontalSpace = true;
187 data.grabExcessVerticalSpace = true;
188 composite.setLayoutData(data);
189 return composite;
190 }
191
192 protected int convertVerticalDLUsToPixels(int dlus) {
193 return Dialog.convertVerticalDLUsToPixels(fontMetrics, dlus);
194 }
195
196 protected int convertHorizontalDLUsToPixels(int dlus) {
197 return Dialog.convertHorizontalDLUsToPixels(fontMetrics, dlus);
198 }
199 }
200 |
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