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comparison dwtx/ui/internal/forms/widgets/ObjectSegment.d @ 75:5d489b9f966c

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Fix continue porting
author Frank Benoit <benoit@tionex.de>
date Sat, 24 May 2008 05:11:16 +0200
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children 26c6c9dfd13c
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74:dad2e11b8ae4 75:5d489b9f966c
1 /*******************************************************************************
2 * Copyright (c) 2000, 2007 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 module dwtx.ui.internal.forms.widgets.ObjectSegment;
14
15 import dwtx.ui.internal.forms.widgets.ParagraphSegment;
16 import dwtx.ui.internal.forms.widgets.Locator;
17 import dwtx.ui.internal.forms.widgets.SelectionData;
18
19 import dwt.DWT;
20 import dwt.graphics.GC;
21 import dwt.graphics.Point;
22 import dwt.graphics.Rectangle;
23
24 import dwt.dwthelper.utils;
25
26 public abstract class ObjectSegment : ParagraphSegment {
27 public static const int TOP = 1;
28
29 public static const int MIDDLE = 2;
30
31 public static const int BOTTOM = 3;
32
33 private int alignment = BOTTOM;
34 private bool nowrap=false;
35 private Rectangle bounds;
36 private String objectId;
37
38 public int getVerticalAlignment() {
39 return alignment;
40 }
41
42 void setVerticalAlignment(int alignment) {
43 this.alignment = alignment;
44 }
45
46 public String getObjectId() {
47 return objectId;
48 }
49
50 void setObjectId(String objectId) {
51 this.objectId = objectId;
52 }
53
54 protected abstract Point getObjectSize(Hashtable resourceTable, int wHint);
55
56 public bool advanceLocator(GC gc, int wHint, Locator loc,
57 Hashtable objectTable, bool computeHeightOnly) {
58 Point objectSize = getObjectSize(objectTable, wHint);
59 int iwidth = 0;
60 int iheight = 0;
61 bool newLine = false;
62
63 if (objectSize !is null) {
64 iwidth = objectSize.x + (isSelectable()?2:0);
65 iheight = objectSize.y + (isSelectable()?2:0);
66 }
67 if (wHint !is DWT.DEFAULT && !nowrap && loc.x + iwidth > wHint) {
68 // new line
69 if (computeHeightOnly)
70 loc.collectHeights();
71 loc.x = loc.indent;
72 loc.x += iwidth;
73 loc.y += loc.rowHeight;
74 loc.width = loc.indent + iwidth;
75 loc.rowHeight = iheight;
76 loc.leading = 0;
77 newLine = true;
78 } else {
79 loc.x += iwidth;
80 loc.width += iwidth;
81 loc.rowHeight = Math.max(loc.rowHeight, iheight);
82 }
83 return newLine;
84 }
85
86 public bool contains(int x, int y) {
87 if (boundsisnull)
88 return false;
89 return bounds.contains(x, y);
90 }
91 public bool intersects(Rectangle rect) {
92 if (boundsisnull)
93 return false;
94 return bounds.intersects(rect);
95 }
96
97 public Rectangle getBounds() {
98 return bounds;
99 }
100
101 public bool isSelectable() {
102 return false;
103 }
104 /**
105 * @return Returns the nowrap.
106 */
107 public bool isNowrap() {
108 return nowrap;
109 }
110 /**
111 * @param nowrap The nowrap to set.
112 */
113 public void setNowrap(bool nowrap) {
114 this.nowrap = nowrap;
115 }
116 public void paint(GC gc, bool hover, Hashtable resourceTable, bool selected, SelectionData selData, Rectangle repaintRegion) {
117 }
118
119 /* (non-Javadoc)
120 * @see dwtx.ui.internal.forms.widgets.ParagraphSegment#layout(dwt.graphics.GC, int, dwtx.ui.internal.forms.widgets.Locator, java.util.Hashtable, bool, dwtx.ui.internal.forms.widgets.SelectionData)
121 */
122 public void layout(GC gc, int width, Locator loc, Hashtable resourceTable,
123 bool selected) {
124 Point size = getObjectSize(resourceTable, width);
125
126 int objWidth = 0;
127 int objHeight = 0;
128 if (size !is null) {
129 objWidth = size.x + (isSelectable()?2:0);
130 objHeight = size.y + (isSelectable()?2:0);
131 } else
132 return;
133 loc.width = objWidth;
134
135 if (!nowrap && loc.x + objWidth > width) {
136 // new row
137 loc.newLine();
138 loc.rowCounter++;
139 }
140 int ix = loc.x;
141 int iy = loc.y;
142
143 if (alignmentisMIDDLE)
144 iy = loc.getMiddle(objHeight, false);
145 else if (alignmentisBOTTOM)
146 iy = loc.getBaseline(objHeight, false);
147 loc.x += objWidth;
148 loc.rowHeight = Math.max(loc.rowHeight, objHeight);
149 bounds = new Rectangle(ix, iy, objWidth, objHeight);
150 }
151 /* (non-Javadoc)
152 * @see dwtx.ui.internal.forms.widgets.ParagraphSegment#computeSelection(dwt.graphics.GC, java.util.Hashtable, bool, dwtx.ui.internal.forms.widgets.SelectionData)
153 */
154 public void computeSelection(GC gc, Hashtable resourceTable, SelectionData selData) {
155 // TODO we should add this to the selection
156 // if we want to support rich text
157 }
158 }