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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2007 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwtx.ui.internal.forms.widgets.FormTextModel;
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14
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15 import dwtx.ui.internal.forms.widgets.Paragraph;
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16 import dwtx.ui.internal.forms.widgets.IFocusSelectable;
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17 import dwtx.ui.internal.forms.widgets.ParagraphSegment;
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18 import dwtx.ui.internal.forms.widgets.IHyperlinkSegment;
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19 import dwtx.ui.internal.forms.widgets.ControlSegment;
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20 import dwtx.ui.internal.forms.widgets.ImageSegment;
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21 import dwtx.ui.internal.forms.widgets.ObjectSegment;
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78
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22 import dwtx.ui.internal.forms.widgets.SWTUtil;
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75
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23
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24 import dwt.DWT;
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25 import dwtx.ui.forms.HyperlinkSettings;
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26
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27 import dwt.dwthelper.utils;
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28 import dwt.dwthelper.InputStream;
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29
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30 static import tango.text.xml.Document;
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90
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31 static import tango.io.Buffer;
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32
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75
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33 import tango.util.collection.ArraySeq;
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34 public class FormTextModel {
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35 // private static const DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory
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36 // .newInstance();
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37
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38 alias tango.text.xml.Document.Document!(char) Document;
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39 alias Document.NodeImpl Node;
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40
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41 private bool whitespaceNormalized = true;
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42
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43 private alias ArraySeq!(Paragraph) TArraySeqParagraph;
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44 private TArraySeqParagraph paragraphs;
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45
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46 private IFocusSelectable[] selectableSegments;
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47
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48 private int selectedSegmentIndex = -1;
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49
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50 private int savedSelectedLinkIndex = -1;
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51
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52 private HyperlinkSettings hyperlinkSettings;
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53
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54 public static const String BOLD_FONT_ID = "f.____bold"; //$NON-NLS-1$
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55
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56 //private static final int TEXT_ONLY_LINK = 1;
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57
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58 //private static final int IMG_ONLY_LINK = 2;
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59
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60 //private static final int TEXT_AND_IMAGES_LINK = 3;
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61
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62 public this() {
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63 reset();
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64 }
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65
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66 /*
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67 * @see ITextModel#getParagraphs()
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68 */
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69 public Paragraph[] getParagraphs() {
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70 if (paragraphs is null)
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71 return new Paragraph[0];
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72 return paragraphs
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73 .toArray();
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74 }
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75
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76 public String getAccessibleText() {
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77 if (paragraphs is null)
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78 return ""; //$NON-NLS-1$
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79 StringBuffer sbuf = new StringBuffer();
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80 for (int i = 0; i < paragraphs.size(); i++) {
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81 Paragraph paragraph = cast(Paragraph) paragraphs.get(i);
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82 String text = paragraph.getAccessibleText();
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83 sbuf.append(text);
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84 }
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85 return sbuf.toString();
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86 }
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90
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87
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75
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88 /*
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89 * @see ITextModel#parse(String)
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90 */
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91 public void parseTaggedText(String taggedText, bool expandURLs) {
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92 if (taggedText is null) {
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93 reset();
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94 return;
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95 }
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90
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96 _parseTaggedText(taggedText, expandURLs);
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97 }
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98
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99 public void parseInputStream(InputStream is_, bool expandURLs) {
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90
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100 auto buf = new tango.io.Buffer.Buffer( 1024 );
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101 {
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102 int l;
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103 byte[1024] a = void;
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104 while((l = is_.read(a)) > 0 ){
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105 buf.append( a[ 0 .. l ] );
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106 }
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107 }
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108 _parseTaggedText( cast(char[]) buf.slice(), expandURLs );
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109 // documentBuilderFactory.setNamespaceAware(true);
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110 // documentBuilderFactory.setIgnoringComments(true);
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111 //
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112 // reset();
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113 // try {
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114 // DocumentBuilder parser = documentBuilderFactory
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115 // .newDocumentBuilder();
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116 // InputSource source = new InputSource(is_);
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117 // Document doc = parser.parse(source);
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118 // processDocument(doc, expandURLs);
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119 // } catch (ParserConfigurationException e) {
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120 // DWT.error(DWT.ERROR_INVALID_ARGUMENT, e);
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121 // } catch (SAXException e) {
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122 // DWT.error(DWT.ERROR_INVALID_ARGUMENT, e);
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123 // } catch (IOException e) {
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124 // DWT.error(DWT.ERROR_IO, e);
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125 // }
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126 }
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127 private void _parseTaggedText( char[] text, bool expandURLs ){
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128 reset();
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90
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129 // try {
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130 // auto doc = tango.text.xml.Document.Document!(char)();
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131 // doc.parse(text);
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132 // processDocument(doc, expandURLs);
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133 // } catch (XmlException e) {
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134 // DWT.error(DWT.ERROR_INVALID_ARGUMENT, e);
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135 // } catch (IOException e) {
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136 // DWT.error(DWT.ERROR_IO, e);
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137 // }
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138 }
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139
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90
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140 // private void processDocument(tango.text.xml.Document.Document!(char) doc, bool expandURLs) {
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141 // auto root = doc.query.root.dup;
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142 // auto children = root.childs.dup;
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143 // processSubnodes(paragraphs, children, expandURLs);
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144 // }
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145
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146 /+ private void processSubnodes(TArraySeqParagraph plist, NodeList children, bool expandURLs) {
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147 //o for (int i = 0; i < children.getLength(); i++) {
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148 //o Node child = children.item(i);
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149 foreach( child; children ){
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150 //o if (child.getNodeType() is Node.TEXT_NODE) {
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151 if (child.type is XmlNodeType.Data) {
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75
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152 // Make an implicit paragraph
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153 String text = getSingleNodeText(child);
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154 if ( !isIgnorableWhiteSpace(text, true)) {
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155 Paragraph p = new Paragraph(true);
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90
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156 // p.parseRegularText(text, expandURLs, true,
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157 // getHyperlinkSettings(), null);
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158 // plist.add(p);
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159 // }
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160 // } else if (child.getNodeType() is Node.ELEMENT_NODE) {
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161 // String tag = child.getNodeName().toLowerCase();
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162 // if (tag.equals("p")) { //$NON-NLS-1$
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163 // Paragraph p = processParagraph(child, expandURLs);
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164 // if (p !is null)
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165 // plist.add(p);
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166 // } else if (tag.equals("li")) { //$NON-NLS-1$
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167 // Paragraph p = processListItem(child, expandURLs);
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168 // if (p !is null)
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169 // plist.add(p);
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75
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170 }
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171 }
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172 }
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90
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173 }+/
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174 /++
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175
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176 private Paragraph processParagraph(Node paragraph, bool expandURLs) {
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177 NodeList children = paragraph.getChildNodes();
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178 NamedNodeMap atts = paragraph.getAttributes();
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179 Node addSpaceAtt = atts.getNamedItem("addVerticalSpace"); //$NON-NLS-1$
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180 bool addSpace = true;
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181
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182 if (addSpaceAtt is null)
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183 addSpaceAtt = atts.getNamedItem("vspace"); //$NON-NLS-1$
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184
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185 if (addSpaceAtt !is null) {
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186 String value = addSpaceAtt.getNodeValue();
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187 addSpace = value.equalsIgnoreCase("true"); //$NON-NLS-1$
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188 }
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189 Paragraph p = new Paragraph(addSpace);
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190
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191 processSegments(p, children, expandURLs);
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192 return p;
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193 }
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194
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195 private Paragraph processListItem(Node listItem, bool expandURLs) {
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196 NodeList children = listItem.getChildNodes();
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197 NamedNodeMap atts = listItem.getAttributes();
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198 Node addSpaceAtt = atts.getNamedItem("addVerticalSpace");//$NON-NLS-1$
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199 Node styleAtt = atts.getNamedItem("style");//$NON-NLS-1$
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200 Node valueAtt = atts.getNamedItem("value");//$NON-NLS-1$
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201 Node indentAtt = atts.getNamedItem("indent");//$NON-NLS-1$
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202 Node bindentAtt = atts.getNamedItem("bindent");//$NON-NLS-1$
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203 int style = BulletParagraph.CIRCLE;
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204 int indent = -1;
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205 int bindent = -1;
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206 String text = null;
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207 bool addSpace = true;
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208
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209 if (addSpaceAtt !is null) {
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210 String value = addSpaceAtt.getNodeValue();
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211 addSpace = value.equalsIgnoreCase("true"); //$NON-NLS-1$
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212 }
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213 if (styleAtt !is null) {
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214 String value = styleAtt.getNodeValue();
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215 if (value.equalsIgnoreCase("text")) { //$NON-NLS-1$
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216 style = BulletParagraph.TEXT;
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217 } else if (value.equalsIgnoreCase("image")) { //$NON-NLS-1$
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218 style = BulletParagraph.IMAGE;
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219 } else if (value.equalsIgnoreCase("bullet")) { //$NON-NLS-1$
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220 style = BulletParagraph.CIRCLE;
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221 }
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222 }
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223 if (valueAtt !is null) {
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224 text = valueAtt.getNodeValue();
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225 if (style is BulletParagraph.IMAGE)
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226 text = "i." + text; //$NON-NLS-1$
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227 }
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228 if (indentAtt !is null) {
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229 String value = indentAtt.getNodeValue();
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230 try {
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231 indent = Integer.parseInt(value);
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232 } catch (NumberFormatException e) {
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233 }
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234 }
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235 if (bindentAtt !is null) {
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236 String value = bindentAtt.getNodeValue();
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237 try {
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238 bindent = Integer.parseInt(value);
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239 } catch (NumberFormatException e) {
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240 }
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241 }
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242
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243 BulletParagraph p = new BulletParagraph(addSpace);
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244 p.setIndent(indent);
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245 p.setBulletIndent(bindent);
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246 p.setBulletStyle(style);
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247 p.setBulletText(text);
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248
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249 processSegments(p, children, expandURLs);
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250 return p;
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251 }
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252
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253 private void processSegments(Paragraph p, NodeList children,
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254 bool expandURLs) {
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255 for (int i = 0; i < children.getLength(); i++) {
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256 Node child = children.item(i);
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257 ParagraphSegment segment = null;
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258
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259 if (child.getNodeType() is Node.TEXT_NODE) {
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260 String value = getSingleNodeText(child);
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261
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262 if (value !is null && !isIgnorableWhiteSpace(value, false)) {
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263 p.parseRegularText(value, expandURLs, true,
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264 getHyperlinkSettings(), null);
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265 }
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266 } else if (child.getNodeType() is Node.ELEMENT_NODE) {
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267 String name = child.getNodeName();
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268 if (name.equalsIgnoreCase("img")) { //$NON-NLS-1$
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269 segment = processImageSegment(child);
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270 } else if (name.equalsIgnoreCase("a")) { //$NON-NLS-1$
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271 segment = processHyperlinkSegment(child,
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272 getHyperlinkSettings());
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273 } else if (name.equalsIgnoreCase("span")) { //$NON-NLS-1$
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274 processTextSegment(p, expandURLs, child);
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275 } else if (name.equalsIgnoreCase("b")) { //$NON-NLS-1$
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276 String text = getNodeText(child);
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277 String fontId = BOLD_FONT_ID;
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278 p.parseRegularText(text, expandURLs, true,
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279 getHyperlinkSettings(), fontId);
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280 } else if (name.equalsIgnoreCase("br")) { //$NON-NLS-1$
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281 segment = new BreakSegment();
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282 } else if (name.equalsIgnoreCase("control")) { //$NON-NLS-1$
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283 segment = processControlSegment(child);
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284 }
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285 }
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286 if (segment !is null) {
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287 p.addSegment(segment);
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288 }
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289 }
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290 }
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291 ++/
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292 private bool isIgnorableWhiteSpace(String text, bool ignoreSpaces) {
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90
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293 for (int i = 0; i < text.length; i++) {
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294 char c = text.charAt(i);
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295 if (ignoreSpaces && c is ' ')
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296 continue;
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297 if (c is '\n' || c is '\r' || c is '\f')
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298 continue;
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299 return false;
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300 }
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301 return true;
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302 }
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303 /++
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304 private ImageSegment processImageSegment(Node image) {
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305 ImageSegment segment = new ImageSegment();
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306 processObjectSegment(segment, image, "i."); //$NON-NLS-1$
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307 return segment;
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308 }
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309
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310 private ControlSegment processControlSegment(Node control) {
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311 ControlSegment segment = new ControlSegment();
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312 processObjectSegment(segment, control, "o."); //$NON-NLS-1$
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313 Node fill = control.getAttributes().getNamedItem("fill"); //$NON-NLS-1$
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314 if (fill !is null) {
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315 String value = fill.getNodeValue();
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316 bool doFill = value.equalsIgnoreCase("true"); //$NON-NLS-1$
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317 segment.setFill(doFill);
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318 }
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319 try {
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320 Node width = control.getAttributes().getNamedItem("width"); //$NON-NLS-1$
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321 if (width !is null) {
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322 String value = width.getNodeValue();
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323 int doWidth = Integer.parseInt(value);
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324 segment.setWidth(doWidth);
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325 }
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326 Node height = control.getAttributes().getNamedItem("height"); //$NON-NLS-1$
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327 if (height !is null) {
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328 String value = height.getNodeValue();
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329 int doHeight = Integer.parseInt(value);
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330 segment.setHeight(doHeight);
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331 }
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332 }
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333 catch (NumberFormatException e) {
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334 // ignore invalid width or height
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335 }
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336 return segment;
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337 }
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338
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339 private void processObjectSegment(ObjectSegment segment, Node object, String prefix) {
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340 NamedNodeMap atts = object.getAttributes();
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341 Node id = atts.getNamedItem("href"); //$NON-NLS-1$
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342 Node align_ = atts.getNamedItem("align"); //$NON-NLS-1$
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343 if (id !is null) {
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344 String value = id.getNodeValue();
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345 segment.setObjectId(prefix + value);
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346 }
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347 if (align_ !is null) {
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348 String value = align_.getNodeValue().toLowerCase();
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349 if (value.equals("top")) //$NON-NLS-1$
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350 segment.setVerticalAlignment(ImageSegment.TOP);
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351 else if (value.equals("middle")) //$NON-NLS-1$
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352 segment.setVerticalAlignment(ImageSegment.MIDDLE);
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353 else if (value.equals("bottom")) //$NON-NLS-1$
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354 segment.setVerticalAlignment(ImageSegment.BOTTOM);
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355 }
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356 }
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78
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357 ++/
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358 private void appendText(String value, StringBuffer buf, int[] spaceCounter) {
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359 if (!whitespaceNormalized)
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360 buf.append(value);
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361 else {
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362 for (int j = 0; j < value.length; j++) {
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363 char c = value.charAt(j);
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364 if (c is ' ' || c is '\t') {
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365 // space
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366 if (++spaceCounter[0] is 1) {
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367 buf.append(c);
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368 }
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369 } else if (c is '\n' || c is '\r' || c is '\f') {
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370 // new line
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371 if (++spaceCounter[0] is 1) {
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372 buf.append(' ');
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373 }
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374 } else {
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375 // other characters
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376 spaceCounter[0] = 0;
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377 buf.append(c);
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378 }
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379 }
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380 }
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381 }
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382
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383 private String getNormalizedText(String text) {
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384 int[] spaceCounter = new int[1];
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385 StringBuffer buf = new StringBuffer();
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386
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387 if (text is null)
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388 return null;
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389 appendText(text, buf, spaceCounter);
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390 return buf.toString();
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391 }
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90
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392
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393 private String getSingleNodeText(tango.text.xml.Document.Document!(char).NodeImpl node) {
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394 return getNormalizedText(node.value());
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395 }
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78
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396 /++
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75
|
397
|
|
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398 private String getNodeText(Node node) {
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|
399 NodeList children = node.getChildNodes();
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400 StringBuffer buf = new StringBuffer();
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401 int[] spaceCounter = new int[1];
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402
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403 for (int i = 0; i < children.getLength(); i++) {
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404 Node child = children.item(i);
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405 if (child.getNodeType() is Node.TEXT_NODE) {
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406 String value = child.getNodeValue();
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407 appendText(value, buf, spaceCounter);
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408 }
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409 }
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410 return buf.toString().trim();
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411 }
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412
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413 private ParagraphSegment processHyperlinkSegment(Node link,
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414 HyperlinkSettings settings) {
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415 NamedNodeMap atts = link.getAttributes();
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416 String href = null;
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417 bool wrapAllowed = true;
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418 String boldFontId = null;
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419
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420 Node hrefAtt = atts.getNamedItem("href"); //$NON-NLS-1$
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421 if (hrefAtt !is null) {
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422 href = hrefAtt.getNodeValue();
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423 }
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424 Node boldAtt = atts.getNamedItem("bold"); //$NON-NLS-1$
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425 if (boldAtt !is null) {
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426 boldFontId = BOLD_FONT_ID;
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427 }
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428 Node nowrap = atts.getNamedItem("nowrap"); //$NON-NLS-1$
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429 if (nowrap !is null) {
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430 String value = nowrap.getNodeValue();
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431 if (value !is null && value.equalsIgnoreCase("true")) //$NON-NLS-1$
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432 wrapAllowed = false;
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433 }
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434 Object status = checkChildren(link);
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435 if ( auto child = cast(Node)status ) {
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436 ImageHyperlinkSegment segment = new ImageHyperlinkSegment();
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437 segment.setHref(href);
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438 segment.setWordWrapAllowed(wrapAllowed);
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439 Node alt = child.getAttributes().getNamedItem("alt"); //$NON-NLS-1$
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440 if (alt !is null)
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441 segment.setTooltipText(alt.getNodeValue());
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442 Node text = child.getAttributes().getNamedItem("text"); //$NON-NLS-1$
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443 if (text !is null)
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444 segment.setText(text.getNodeValue());
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445 processObjectSegment(segment, child, "i."); //$NON-NLS-1$
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446 return segment;
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447 } else if ( auto textObj = cast(ArrayWrapperString)status ) {
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448 String text = textObj.array;
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|
449 TextHyperlinkSegment segment = new TextHyperlinkSegment(text,
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|
450 settings, null);
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|
451 segment.setHref(href);
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|
452 segment.setFontId(boldFontId);
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453 Node alt = atts.getNamedItem("alt"); //$NON-NLS-1$
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454 if (alt !is null)
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|
455 segment.setTooltipText(alt.getNodeValue());
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|
456 segment.setWordWrapAllowed(wrapAllowed);
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457 return segment;
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|
|
458 } else {
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|
459 AggregateHyperlinkSegment parent = new AggregateHyperlinkSegment();
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|
460 parent.setHref(href);
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|
461 NodeList children = link.getChildNodes();
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|
462 for (int i = 0; i < children.getLength(); i++) {
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|
463 Node child = children.item(i);
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|
464 if (child.getNodeType() is Node.TEXT_NODE) {
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|
465 String value = child.getNodeValue();
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|
466 TextHyperlinkSegment ts = new TextHyperlinkSegment(
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|
|
467 getNormalizedText(value), settings, null);
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|
|
468 Node alt = atts.getNamedItem("alt"); //$NON-NLS-1$
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|
|
469 if (alt !is null)
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|
|
470 ts.setTooltipText(alt.getNodeValue());
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|
|
471 ts.setWordWrapAllowed(wrapAllowed);
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|
|
472 parent.add(ts);
|
|
|
473 } else if (child.getNodeType() is Node.ELEMENT_NODE) {
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|
|
474 String name = child.getNodeName();
|
|
|
475 if (name.equalsIgnoreCase("img")) { //$NON-NLS-1$
|
|
|
476 ImageHyperlinkSegment is_ = new ImageHyperlinkSegment();
|
|
|
477 processObjectSegment(is_, child, "i."); //$NON-NLS-1$
|
|
|
478 Node alt = child.getAttributes().getNamedItem("alt"); //$NON-NLS-1$
|
|
|
479 if (alt !is null)
|
|
|
480 is_.setTooltipText(alt.getNodeValue());
|
|
|
481 parent.add(is_);
|
|
|
482 is_.setWordWrapAllowed(wrapAllowed);
|
|
|
483 }
|
|
|
484 }
|
|
|
485 }
|
|
|
486 return parent;
|
|
|
487 }
|
|
|
488 }
|
|
|
489
|
|
|
490 private Object checkChildren(Node node) {
|
|
|
491 bool text = false;
|
|
|
492 Node imgNode = null;
|
|
|
493 //int status = 0;
|
|
|
494
|
|
|
495 NodeList children = node.getChildNodes();
|
|
|
496 for (int i = 0; i < children.getLength(); i++) {
|
|
|
497 Node child = children.item(i);
|
|
|
498 if (child.getNodeType() is Node.TEXT_NODE)
|
|
|
499 text = true;
|
|
|
500 else if (child.getNodeType() is Node.ELEMENT_NODE
|
|
|
501 && child.getNodeName().equalsIgnoreCase("img")) { //$NON-NLS-1$
|
|
|
502 imgNode = child;
|
|
|
503 }
|
|
|
504 }
|
|
|
505 if (text && imgNode is null)
|
|
|
506 return getNodeText(node);
|
|
|
507 else if (!text && imgNode !is null)
|
|
|
508 return imgNode;
|
|
|
509 else return null;
|
|
|
510 }
|
|
|
511
|
|
|
512 private void processTextSegment(Paragraph p, bool expandURLs,
|
|
|
513 Node textNode) {
|
|
|
514 String text = getNodeText(textNode);
|
|
|
515
|
|
|
516 NamedNodeMap atts = textNode.getAttributes();
|
|
|
517 Node font = atts.getNamedItem("font"); //$NON-NLS-1$
|
|
|
518 Node color = atts.getNamedItem("color"); //$NON-NLS-1$
|
|
|
519 bool wrapAllowed=true;
|
|
|
520 Node nowrap = atts.getNamedItem("nowrap"); //$NON-NLS-1$
|
|
|
521 if (nowrap !is null) {
|
|
|
522 String value = nowrap.getNodeValue();
|
|
|
523 if (value !is null && value.equalsIgnoreCase("true")) //$NON-NLS-1$
|
|
|
524 wrapAllowed = false;
|
|
|
525 }
|
|
|
526 String fontId = null;
|
|
|
527 String colorId = null;
|
|
|
528 if (font !is null) {
|
|
|
529 fontId = "f." + font.getNodeValue(); //$NON-NLS-1$
|
|
|
530 }
|
|
|
531 if (color !is null) {
|
|
|
532 colorId = "c." + color.getNodeValue(); //$NON-NLS-1$
|
|
|
533 }
|
|
|
534 p.parseRegularText(text, expandURLs, wrapAllowed, getHyperlinkSettings(), fontId,
|
|
|
535 colorId);
|
|
|
536 }
|
|
78
|
537 ++/
|
|
75
|
538 public void parseRegularText(String regularText, bool convertURLs) {
|
|
|
539 reset();
|
|
|
540
|
|
|
541 if (regularText is null)
|
|
|
542 return;
|
|
|
543
|
|
|
544 regularText = getNormalizedText(regularText);
|
|
|
545
|
|
|
546 Paragraph p = new Paragraph(true);
|
|
|
547 paragraphs.append(p);
|
|
|
548 int pstart = 0;
|
|
|
549
|
|
78
|
550 for (int i = 0; i < regularText.length; i++) {
|
|
75
|
551 char c = regularText.charAt(i);
|
|
|
552 if (p is null) {
|
|
|
553 p = new Paragraph(true);
|
|
|
554 paragraphs.append(p);
|
|
|
555 }
|
|
|
556 if (c is '\n') {
|
|
|
557 String text = regularText.substring(pstart, i);
|
|
|
558 pstart = i + 1;
|
|
|
559 p.parseRegularText(text, convertURLs, true, getHyperlinkSettings(),
|
|
|
560 null);
|
|
|
561 p = null;
|
|
|
562 }
|
|
|
563 }
|
|
|
564 if (p !is null) {
|
|
|
565 // no new line
|
|
|
566 String text = regularText.substring(pstart);
|
|
|
567 p.parseRegularText(text, convertURLs, true, getHyperlinkSettings(), null);
|
|
|
568 }
|
|
|
569 }
|
|
|
570
|
|
|
571 public HyperlinkSettings getHyperlinkSettings() {
|
|
|
572 // #132723 cannot have null settings
|
|
78
|
573 if (hyperlinkSettings is null)
|
|
75
|
574 hyperlinkSettings = new HyperlinkSettings(SWTUtil.getStandardDisplay());
|
|
|
575 return hyperlinkSettings;
|
|
|
576 }
|
|
|
577
|
|
|
578 public void setHyperlinkSettings(HyperlinkSettings settings) {
|
|
|
579 this.hyperlinkSettings = settings;
|
|
|
580 }
|
|
|
581
|
|
|
582 private void reset() {
|
|
|
583 if (paragraphs is null)
|
|
|
584 paragraphs = new TArraySeqParagraph;
|
|
|
585 paragraphs.clear();
|
|
|
586 selectedSegmentIndex = -1;
|
|
|
587 savedSelectedLinkIndex = -1;
|
|
|
588 selectableSegments = null;
|
|
|
589 }
|
|
|
590
|
|
|
591 IFocusSelectable[] getFocusSelectableSegments() {
|
|
|
592 if (selectableSegments !is null || paragraphs is null)
|
|
|
593 return selectableSegments;
|
|
|
594 IFocusSelectable[] result;
|
|
|
595 for (int i = 0; i < paragraphs.size(); i++) {
|
|
|
596 Paragraph p = cast(Paragraph) paragraphs.get(i);
|
|
|
597 ParagraphSegment[] segments = p.getSegments();
|
|
|
598 for (int j = 0; j < segments.length; j++) {
|
|
|
599 if (null !is cast(IFocusSelectable)segments[j] )
|
|
78
|
600 result ~= cast(IFocusSelectable)segments[j];
|
|
75
|
601 }
|
|
|
602 }
|
|
|
603 selectableSegments = result;
|
|
|
604 return selectableSegments;
|
|
|
605 }
|
|
|
606
|
|
|
607 public IHyperlinkSegment getHyperlink(int index) {
|
|
|
608 IFocusSelectable[] selectables = getFocusSelectableSegments();
|
|
|
609 if (selectables.length>index) {
|
|
|
610 IFocusSelectable link = selectables[index];
|
|
|
611 if (auto l = cast(IHyperlinkSegment)link )
|
|
|
612 return l;
|
|
|
613 }
|
|
|
614 return null;
|
|
|
615 }
|
|
|
616
|
|
|
617 public IHyperlinkSegment findHyperlinkAt(int x, int y) {
|
|
|
618 IFocusSelectable[] selectables = getFocusSelectableSegments();
|
|
|
619 for (int i = 0; i < selectables.length; i++) {
|
|
|
620 IFocusSelectable segment = selectables[i];
|
|
|
621 if ( auto link = cast(IHyperlinkSegment)segment ) {
|
|
|
622 if (link.contains(x, y))
|
|
|
623 return link;
|
|
|
624 }
|
|
|
625 }
|
|
|
626 return null;
|
|
|
627 }
|
|
|
628
|
|
|
629 public int getHyperlinkCount() {
|
|
|
630 return getFocusSelectableSegments().length;
|
|
|
631 }
|
|
|
632
|
|
|
633 public int indexOf(IHyperlinkSegment link) {
|
|
|
634 IFocusSelectable[] selectables = getFocusSelectableSegments();
|
|
|
635 for (int i = 0; i < selectables.length; i++) {
|
|
|
636 IFocusSelectable segment = selectables[i];
|
|
|
637 if (auto l = cast(IHyperlinkSegment)segment ) {
|
|
|
638 if (link is l)
|
|
|
639 return i;
|
|
|
640 }
|
|
|
641 }
|
|
|
642 return -1;
|
|
|
643 }
|
|
|
644
|
|
|
645 public ParagraphSegment findSegmentAt(int x, int y) {
|
|
|
646 for (int i = 0; i < paragraphs.size(); i++) {
|
|
|
647 Paragraph p = cast(Paragraph) paragraphs.get(i);
|
|
|
648 ParagraphSegment segment = p.findSegmentAt(x, y);
|
|
|
649 if (segment !is null)
|
|
|
650 return segment;
|
|
|
651 }
|
|
|
652 return null;
|
|
|
653 }
|
|
|
654
|
|
|
655 public void clearCache(String fontId) {
|
|
|
656 for (int i = 0; i < paragraphs.size(); i++) {
|
|
|
657 Paragraph p = cast(Paragraph) paragraphs.get(i);
|
|
|
658 p.clearCache(fontId);
|
|
|
659 }
|
|
|
660 }
|
|
|
661
|
|
|
662 public IFocusSelectable getSelectedSegment() {
|
|
|
663 if (selectableSegments is null || selectedSegmentIndex is -1)
|
|
|
664 return null;
|
|
|
665 return selectableSegments[selectedSegmentIndex];
|
|
|
666 }
|
|
|
667
|
|
|
668 public int getSelectedSegmentIndex() {
|
|
|
669 return selectedSegmentIndex;
|
|
|
670 }
|
|
|
671
|
|
|
672 public bool linkExists(IHyperlinkSegment link) {
|
|
78
|
673 if (selectableSegments is null)
|
|
75
|
674 return false;
|
|
|
675 for (int i=0; i<selectableSegments.length; i++) {
|
|
|
676 if (selectableSegments[i] is link)
|
|
|
677 return true;
|
|
|
678 }
|
|
|
679 return false;
|
|
|
680 }
|
|
|
681
|
|
|
682 public bool traverseFocusSelectableObjects(bool next) {
|
|
|
683 IFocusSelectable[] selectables = getFocusSelectableSegments();
|
|
|
684 if (selectables is null)
|
|
|
685 return false;
|
|
|
686 int size = selectables.length;
|
|
|
687 if (next) {
|
|
|
688 selectedSegmentIndex++;
|
|
|
689 } else
|
|
|
690 selectedSegmentIndex--;
|
|
|
691
|
|
|
692 if (selectedSegmentIndex < 0 || selectedSegmentIndex > size - 1) {
|
|
|
693 selectedSegmentIndex = -1;
|
|
|
694 }
|
|
|
695 return selectedSegmentIndex !is -1;
|
|
|
696 }
|
|
|
697
|
|
|
698 public IFocusSelectable getNextFocusSegment(bool next) {
|
|
|
699 IFocusSelectable[] selectables = getFocusSelectableSegments();
|
|
|
700 if (selectables is null)
|
|
|
701 return null;
|
|
|
702 int nextIndex = next?selectedSegmentIndex+1:selectedSegmentIndex-1;
|
|
|
703
|
|
|
704 if (nextIndex < 0 || nextIndex > selectables.length - 1) {
|
|
|
705 return null;
|
|
|
706 }
|
|
|
707 return selectables[nextIndex];
|
|
|
708 }
|
|
|
709
|
|
|
710 public bool restoreSavedLink() {
|
|
90
|
711 if (savedSelectedLinkIndex !is -1) {
|
|
75
|
712 selectedSegmentIndex = savedSelectedLinkIndex;
|
|
|
713 return true;
|
|
|
714 }
|
|
|
715 return false;
|
|
|
716 }
|
|
|
717
|
|
|
718 public void selectLink(IHyperlinkSegment link) {
|
|
|
719 if (link is null) {
|
|
|
720 savedSelectedLinkIndex = selectedSegmentIndex;
|
|
|
721 selectedSegmentIndex = -1;
|
|
|
722 }
|
|
|
723 else {
|
|
|
724 select(link);
|
|
|
725
|
|
|
726 }
|
|
|
727 }
|
|
|
728
|
|
|
729 public void select(IFocusSelectable selectable) {
|
|
|
730 IFocusSelectable[] selectables = getFocusSelectableSegments();
|
|
|
731 selectedSegmentIndex = -1;
|
|
|
732 if (selectables is null)
|
|
|
733 return;
|
|
|
734 for (int i = 0; i < selectables.length; i++) {
|
|
78
|
735 if ((cast(Object)selectables[i]).opEquals(cast(Object)selectable)) {
|
|
75
|
736 selectedSegmentIndex = i;
|
|
|
737 break;
|
|
|
738 }
|
|
|
739 }
|
|
|
740 }
|
|
|
741
|
|
|
742 public bool hasFocusSegments() {
|
|
|
743 IFocusSelectable[] segments = getFocusSelectableSegments();
|
|
|
744 if (segments.length > 0)
|
|
|
745 return true;
|
|
|
746 return false;
|
|
|
747 }
|
|
|
748
|
|
|
749 public void dispose() {
|
|
|
750 paragraphs = null;
|
|
|
751 selectedSegmentIndex = -1;
|
|
|
752 savedSelectedLinkIndex = -1;
|
|
|
753 selectableSegments = null;
|
|
|
754 }
|
|
|
755
|
|
|
756 /**
|
|
|
757 * @return Returns the whitespaceNormalized.
|
|
|
758 */
|
|
|
759 public bool isWhitespaceNormalized() {
|
|
|
760 return whitespaceNormalized;
|
|
|
761 }
|
|
|
762
|
|
|
763 /**
|
|
|
764 * @param whitespaceNormalized
|
|
|
765 * The whitespaceNormalized to set.
|
|
|
766 */
|
|
|
767 public void setWhitespaceNormalized(bool whitespaceNormalized) {
|
|
|
768 this.whitespaceNormalized = whitespaceNormalized;
|
|
|
769 }
|
|
|
770 }
|
