1 | package com.framsticks.framclipse.editors; |
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2 | |
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3 | import java.util.ArrayList; |
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4 | import java.util.HashMap; |
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5 | import java.util.List; |
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6 | import java.util.ResourceBundle; |
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7 | |
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8 | import org.eclipse.jface.action.IAction; |
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9 | import org.eclipse.jface.text.Position; |
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10 | import org.eclipse.jface.text.TextSelection; |
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11 | import org.eclipse.jface.text.TextViewer; |
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12 | import org.eclipse.jface.text.source.Annotation; |
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13 | import org.eclipse.jface.text.source.ISourceViewer; |
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14 | import org.eclipse.jface.text.source.IVerticalRuler; |
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15 | import org.eclipse.jface.text.source.projection.ProjectionAnnotation; |
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16 | import org.eclipse.jface.text.source.projection.ProjectionAnnotationModel; |
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17 | import org.eclipse.jface.text.source.projection.ProjectionSupport; |
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18 | import org.eclipse.jface.text.source.projection.ProjectionViewer; |
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19 | import org.eclipse.jface.viewers.ISelectionChangedListener; |
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20 | import org.eclipse.jface.viewers.SelectionChangedEvent; |
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21 | import org.eclipse.swt.widgets.Composite; |
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22 | import org.eclipse.ui.editors.text.TextEditor; |
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23 | import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds; |
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24 | import org.eclipse.ui.texteditor.TextOperationAction; |
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25 | import org.eclipse.ui.views.contentoutline.IContentOutlinePage; |
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26 | |
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27 | import com.framsticks.framclipse.editors.configuration.FramscriptSourceViewerConfiguration; |
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28 | import com.framsticks.framclipse.editors.folding.FramclipseFoldingAnnotation; |
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29 | import com.framsticks.framclipse.editors.outline.FramclipseEditorOutlinePage; |
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30 | import com.framsticks.framclipse.internal.parser.ElementWithOffset; |
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31 | import com.framsticks.framclipse.internal.parser.Node; |
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32 | |
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33 | |
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34 | public class FramclipseEditor extends TextEditor { |
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35 | |
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36 | protected final EditorType editorType; |
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37 | private ProjectionSupport projectionSupport; |
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38 | private List<FramclipseFoldingAnnotation> prevAnnotations = new ArrayList<FramclipseFoldingAnnotation>(); |
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39 | private ProjectionAnnotationModel annotationModel; |
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40 | |
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41 | private FramclipseEditorOutlinePage outlinePage = null; |
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42 | private boolean outlineRequested = false; |
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43 | |
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44 | protected Node fileModel = null; |
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45 | |
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46 | public FramclipseEditor(EditorType editorType) { |
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47 | System.out.println("starting framclipse editor of type: " + editorType); |
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48 | this.editorType = editorType; |
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49 | setSourceViewerConfiguration(new FramscriptSourceViewerConfiguration(editorType, this)); |
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50 | } |
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51 | |
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52 | @Override |
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53 | public void createPartControl(Composite parent) { |
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54 | |
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55 | super.createPartControl(parent); |
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56 | ProjectionViewer viewer =(ProjectionViewer)getSourceViewer(); |
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57 | |
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58 | projectionSupport = new ProjectionSupport(viewer,getAnnotationAccess(),getSharedColors()); |
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59 | projectionSupport.install(); |
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60 | |
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61 | //turn projection mode on |
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62 | viewer.doOperation(ProjectionViewer.TOGGLE); |
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63 | |
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64 | annotationModel = viewer.getProjectionAnnotationModel(); |
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65 | } |
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66 | |
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67 | /** |
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68 | * The <code>FramscriptEditor</code> implementation of this |
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69 | * <code>AbstractTextEditor</code> method extend the actions to add those |
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70 | * specific to the receiver. |
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71 | */ |
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72 | @Override |
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73 | protected void createActions() { |
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74 | super.createActions(); |
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75 | |
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76 | ResourceBundle resourceBundle = FramclipseEditorMessages.getResourceBundle(); |
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77 | String prefix = "ContentAssistProposal."; |
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78 | int operationCode = ISourceViewer.CONTENTASSIST_PROPOSALS; |
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79 | IAction a = new TextOperationAction(resourceBundle, prefix, this, operationCode); |
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80 | String id = ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS; |
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81 | a.setActionDefinitionId(id); |
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82 | setAction("ContentAssistProposal", a); //$NON-NLS-1$ |
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83 | } |
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84 | |
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85 | public EditorType getEditorType() { |
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86 | return editorType; |
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87 | } |
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88 | |
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89 | @Override |
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90 | protected ISourceViewer createSourceViewer(Composite parent, |
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91 | IVerticalRuler ruler, int styles) { |
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92 | ISourceViewer viewer = new ProjectionViewer(parent, ruler, getOverviewRuler(), isOverviewRulerVisible(), styles); |
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93 | |
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94 | // ensure decoration support has been created and configured. |
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95 | getSourceViewerDecorationSupport(viewer); |
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96 | |
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97 | ((TextViewer)viewer).addPostSelectionChangedListener(new ISelectionChangedListener() { |
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98 | |
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99 | public void selectionChanged(SelectionChangedEvent event) { |
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100 | |
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101 | TextSelection selection = (TextSelection) event.getSelection(); |
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102 | |
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103 | if(getFileModel() != null) |
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104 | { |
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105 | Node element = ((ElementWithOffset)getFileModel()).getElementForOffset(selection.getOffset()); |
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106 | //System.out.println("selected: " + element); |
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107 | if(outlinePage != null) |
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108 | outlinePage.setSelectedElement(element); |
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109 | |
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110 | } |
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111 | |
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112 | } |
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113 | |
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114 | }); |
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115 | |
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116 | return viewer; |
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117 | } |
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118 | |
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119 | public void updateFoldingStructure(List<FramclipseFoldingAnnotation> annotations) |
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120 | { |
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121 | List<Annotation> removals = new ArrayList<Annotation>(); |
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122 | HashMap newAnnotations = new HashMap(); |
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123 | |
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124 | //System.out.println("got " + annotations.size() + " annotations."); |
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125 | |
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126 | for(int l = 0; l < prevAnnotations.size(); ++l) |
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127 | { |
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128 | FramclipseFoldingAnnotation equiv = prevAnnotations.get(l).hasEquivalent(annotations, getSourceViewer().getDocument()); |
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129 | if(equiv == null) |
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130 | { |
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131 | removals.add(prevAnnotations.get(l)); |
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132 | } |
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133 | else |
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134 | { |
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135 | annotations.remove(equiv); |
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136 | } |
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137 | } |
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138 | |
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139 | for(Annotation annot : removals) |
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140 | prevAnnotations.remove(annot); |
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141 | |
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142 | for(FramclipseFoldingAnnotation annot : annotations) |
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143 | { |
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144 | //System.out.println("adding for: " + annot.getAnnotatedElement()); |
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145 | prevAnnotations.add(annot); |
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146 | newAnnotations.put(annot, new Position(annot.getAnnotatedElement().getBeginOffset(), |
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147 | annot.getAnnotationLength())); |
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148 | } |
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149 | |
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150 | ProjectionAnnotation[] toDelete = new ProjectionAnnotation[removals.size()]; |
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151 | removals.toArray(toDelete); |
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152 | |
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153 | annotationModel.modifyAnnotations(toDelete,newAnnotations,null); |
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154 | } |
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155 | |
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156 | public Node getFileModel() { |
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157 | return fileModel; |
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158 | } |
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159 | |
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160 | public void setFileModel(Node fileModel) { |
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161 | this.fileModel = fileModel; |
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162 | } |
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163 | |
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164 | @Override |
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165 | public Object getAdapter(Class adapter) { |
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166 | if(IContentOutlinePage.class.equals(adapter)) |
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167 | { |
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168 | outlineRequested = true; |
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169 | |
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170 | if(outlinePage == null) |
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171 | { |
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172 | outlinePage = new FramclipseEditorOutlinePage(this); |
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173 | if(getFileModel() != null) |
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174 | outlinePage.setInput(getFileModel()); |
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175 | } |
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176 | |
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177 | return outlinePage; |
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178 | } |
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179 | |
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180 | return super.getAdapter(adapter); |
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181 | } |
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182 | |
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183 | public void updateOutlinePage() |
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184 | { |
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185 | if(outlineRequested) |
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186 | { |
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187 | if(outlinePage == null) |
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188 | { |
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189 | outlinePage = new FramclipseEditorOutlinePage(this); |
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190 | } |
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191 | |
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192 | //if(getFileModel() != null) |
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193 | outlinePage.setInput(getFileModel()); |
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194 | } |
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195 | } |
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196 | } |
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