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comparison org.eclipse.jface/src/org/eclipse/jface/dialogs/ImageAndMessageArea.d @ 12:bc29606a740c

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Added dwt-addons in original directory structure of eclipse.org
author Frank Benoit <benoit@tionex.de>
date Sat, 14 Mar 2009 18:23:29 +0100
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11:43904fec5dca 12:bc29606a740c
1 /*******************************************************************************
2 * Copyright (c) 2006 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html
7 *
8 * Contributors:
9 * IBM Corporation - initial API and implementation
10 * Port to the D programming language:
11 * Frank Benoit <benoit@tionex.de>
12 ******************************************************************************/
13
14 module org.eclipse.jface.dialogs.ImageAndMessageArea;
15
16 import org.eclipse.jface.dialogs.IDialogConstants;
17
18 import org.eclipse.swt.SWT;
19 import org.eclipse.swt.events.PaintEvent;
20 import org.eclipse.swt.events.PaintListener;
21 import org.eclipse.swt.graphics.Color;
22 import org.eclipse.swt.graphics.Font;
23 import org.eclipse.swt.graphics.Image;
24 import org.eclipse.swt.graphics.Point;
25 import org.eclipse.swt.graphics.Rectangle;
26 import org.eclipse.swt.layout.GridData;
27 import org.eclipse.swt.layout.GridLayout;
28 import org.eclipse.swt.widgets.Composite;
29 import org.eclipse.swt.widgets.Layout;
30 import org.eclipse.swt.widgets.Text;
31 import org.eclipse.jface.fieldassist.DecoratedField;
32 import org.eclipse.jface.fieldassist.FieldDecorationRegistry;
33 import org.eclipse.jface.fieldassist.TextControlCreator;
34 import org.eclipse.jface.resource.JFaceResources;
35
36 import java.lang.all;
37 import java.util.Set;
38
39 /**
40 * Instances of this class provide a message area to display a message and an
41 * associated image.
42 * <p>
43 * This class is not intended to be extended by clients.
44 * </p>
45 *
46 * @since 3.2
47 * @deprecated As of 3.3, this class is no longer necessary.
48 *
49 */
50 public class ImageAndMessageArea : Composite {
51
52 private int BORDER_MARGIN = IDialogConstants.HORIZONTAL_SPACING / 2;
53
54 private DecoratedField messageField;
55
56 private Composite container;
57
58 /**
59 * Constructs a new ImageAndMessageArea with an empty decorated field. Calls
60 * to <code>setText(String text)</code> and
61 * <code>setImage(Image image)</code> are required in order to fill the
62 * message area. Also, the instance will be invisible when initially
63 * created.
64 * <p>
65 * The style bit <code>SWT.WRAP</code> should be used if a larger message
66 * area is desired.
67 * </p>
68 *
69 * @param parent
70 * the parent composite
71 * @param style
72 * the SWT style bits. Using SWT.WRAP will create a larger
73 * message area.
74 */
75 public this(Composite parent, int style) {
76 super(parent, style);
77 container = new Composite(this, style);
78 GridLayout glayout = new GridLayout();
79 glayout.numColumns = 2;
80 glayout.marginWidth = 0;
81 glayout.marginHeight = 0;
82 glayout.marginTop = BORDER_MARGIN;
83 glayout.marginBottom = BORDER_MARGIN;
84 container.setLayout(glayout);
85
86 messageField = new DecoratedField(container, SWT.READ_ONLY | style,
87 new TextControlCreator());
88 setFont(JFaceResources.getDialogFont());
89
90 GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
91 int lineHeight = (cast(Text) messageField.getControl()).getLineHeight();
92 if ((style & SWT.WRAP) > 0)
93 gd.heightHint = 2 * lineHeight;
94 else
95 gd.heightHint = lineHeight;
96
97 messageField.getLayoutControl().setLayoutData(gd);
98
99 addPaintListener(new class PaintListener {
100 /*
101 * (non-Javadoc)
102 *
103 * @see org.eclipse.swt.events.PaintListener#paintControl(org.eclipse.swt.events.PaintEvent)
104 */
105 public void paintControl(PaintEvent e) {
106 onPaint(e);
107 }
108 });
109
110 // sets the layout and size to account for the BORDER_MARGIN between
111 // the border drawn around the container and the decorated field.
112 setLayout(new class Layout {
113 /*
114 * (non-Javadoc)
115 *
116 * @see org.eclipse.swt.widgets.Layout#layout(org.eclipse.swt.widgets.Composite,
117 * bool)
118 */
119 public void layout(Composite parent, bool changed) {
120 Rectangle carea = getClientArea();
121 container.setBounds(carea.x + BORDER_MARGIN, carea.y
122 + BORDER_MARGIN, carea.width - (2 * BORDER_MARGIN),
123 carea.height - (2 * BORDER_MARGIN));
124 }
125
126 /*
127 * (non-Javadoc)
128 *
129 * @see org.eclipse.swt.widgets.Layout#computeSize(org.eclipse.swt.widgets.Composite,
130 * int, int, bool)
131 */
132 public Point computeSize(Composite parent, int wHint, int hHint,
133 bool changed) {
134 Point size;
135 size = container.computeSize(wHint, hHint, changed);
136
137 // size set to account for the BORDER_MARGIN on
138 // all sides of the decorated field
139 size.x += 4;
140 size.y += 4;
141 return size;
142 }
143 });
144 setVisible(false);
145 }
146
147 /*
148 * (non-Javadoc)
149 *
150 * @see org.eclipse.swt.widgets.Control#setBackground(org.eclipse.swt.graphics.Color)
151 */
152 public override void setBackground(Color bg) {
153 super.setBackground(bg);
154 messageField.getLayoutControl().setBackground(bg);
155 messageField.getControl().setBackground(bg);
156 container.setBackground(bg);
157 }
158
159 /**
160 * Sets the text in the decorated field which will be displayed in the
161 * message area.
162 *
163 * @param text
164 * the text to be displayed in the message area
165 *
166 * @see org.eclipse.swt.widgets.Text#setText(String string)
167 */
168 public void setText(String text) {
169 (cast(Text) messageField.getControl()).setText(text);
170 }
171
172 /**
173 * Adds an image to decorated field to be shown in the message area.
174 *
175 * @param image
176 * desired image to be shown in the ImageAndMessageArea
177 */
178 public void setImage(Image image) {
179 FieldDecorationRegistry registry = FieldDecorationRegistry.getDefault();
180 registry.registerFieldDecoration("messageImage", null, image); //$NON-NLS-1$
181 messageField.addFieldDecoration(registry
182 .getFieldDecoration("messageImage"), //$NON-NLS-1$
183 SWT.LEFT | SWT.TOP, false);
184 }
185
186 /**
187 * Draws the message area composite with rounded corners.
188 */
189 private void onPaint(PaintEvent e) {
190 Rectangle carea = getClientArea();
191 e.gc.setForeground(getForeground());
192
193 // draws the polyline to be rounded in a 2 pixel squared area
194 e.gc.drawPolyline([ carea.x, carea.y + carea.height - 1,
195 carea.x, carea.y + 2, carea.x + 2, carea.y,
196 carea.x + carea.width - 3, carea.y, carea.x + carea.width - 1,
197 carea.y + 2, carea.x + carea.width - 1,
198 carea.y + carea.height - 1 ]);
199 }
200
201 /*
202 * (non-Javadoc)
203 *
204 * @see org.eclipse.swt.widgets.Control#setFont(org.eclipse.swt.graphics.Font)
205 */
206 public override void setFont(Font font) {
207 super.setFont(font);
208 (cast(Text) messageField.getControl()).setFont(font);
209 }
210
211 /*
212 * (non-Javadoc)
213 *
214 * @see org.eclipse.swt.widgets.Control#setToolTipText(java.lang.String)
215 */
216 public override void setToolTipText(String text) {
217 super.setToolTipText(text);
218 (cast(Text) messageField.getControl()).setToolTipText(text);
219 }
220 }