1 | package org.modelica.mdt; |
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2 | |
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3 | import org.eclipse.core.resources.IContainer; |
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4 | import org.eclipse.core.resources.IFolder; |
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5 | import org.eclipse.core.resources.IProject; |
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6 | import org.eclipse.core.resources.IResource; |
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7 | import org.eclipse.core.resources.IResourceChangeEvent; |
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8 | import org.eclipse.core.resources.IResourceChangeListener; |
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9 | import org.eclipse.core.resources.IWorkspace; |
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10 | import org.eclipse.core.resources.ResourcesPlugin; |
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11 | import org.eclipse.core.runtime.CoreException; |
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12 | import org.eclipse.jface.action.IMenuListener; |
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13 | import org.eclipse.jface.action.IMenuManager; |
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14 | import org.eclipse.jface.action.MenuManager; |
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15 | import org.eclipse.jface.action.Separator; |
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16 | import org.eclipse.jface.viewers.ITreeContentProvider; |
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17 | import org.eclipse.jface.viewers.TreeViewer; |
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18 | import org.eclipse.jface.viewers.Viewer; |
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19 | import org.eclipse.swt.SWT; |
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20 | import org.eclipse.swt.widgets.Composite; |
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21 | import org.eclipse.swt.widgets.Menu; |
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22 | import org.eclipse.ui.IWorkbenchActionConstants; |
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23 | import org.eclipse.ui.model.WorkbenchLabelProvider; |
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24 | import org.eclipse.ui.part.DrillDownAdapter; |
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25 | import org.eclipse.ui.part.ViewPart; |
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26 | |
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27 | public class ProjectsView extends ViewPart |
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28 | { |
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29 | private TreeViewer viewer; |
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30 | private DrillDownAdapter drillDownAdapter; |
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31 | private IResourceChangeListener resourceListener; |
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32 | |
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33 | |
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34 | public class ProjectsLabelProvider extends WorkbenchLabelProvider |
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35 | { |
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36 | |
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37 | } |
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38 | |
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39 | public class ProjectsTreeContentProvider implements ITreeContentProvider |
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40 | { |
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41 | |
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42 | public Object[] getElements(Object inputElement) |
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43 | { |
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44 | return getChildren(inputElement); |
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45 | } |
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46 | |
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47 | public void dispose() |
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48 | { |
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49 | } |
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50 | |
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51 | public void inputChanged(Viewer viewer, Object oldInput, Object newInput) |
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52 | { |
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53 | } |
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54 | |
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55 | public Object[] getChildren(Object parent) |
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56 | { |
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57 | if (parent instanceof IContainer) |
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58 | { |
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59 | try |
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60 | { |
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61 | return ((IContainer)parent).members(); |
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62 | } |
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63 | catch (CoreException e) |
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64 | { |
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65 | //TODO should we do something here ? |
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66 | e.printStackTrace(); |
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67 | } |
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68 | } |
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69 | else if (parent instanceof IResource) |
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70 | { |
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71 | |
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72 | } |
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73 | return null; |
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74 | } |
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75 | |
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76 | public Object getParent(Object element) |
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77 | { |
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78 | return null; |
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79 | } |
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80 | |
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81 | public boolean hasChildren(Object element) |
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82 | { |
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83 | if (element instanceof IProject) |
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84 | { |
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85 | return ((IProject)element).isOpen(); |
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86 | } |
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87 | else if (element instanceof IFolder) |
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88 | { |
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89 | return true; |
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90 | } |
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91 | return false; |
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92 | } |
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93 | |
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94 | |
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95 | } |
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96 | |
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97 | @Override |
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98 | public void createPartControl(Composite parent) |
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99 | { |
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100 | IWorkspace workspace = ResourcesPlugin.getWorkspace(); |
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101 | viewer = |
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102 | new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL); |
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103 | |
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104 | viewer.setContentProvider(new ProjectsTreeContentProvider()); |
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105 | viewer.setLabelProvider(new ProjectsLabelProvider()); |
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106 | viewer.setInput(workspace.getRoot()); |
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107 | |
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108 | drillDownAdapter = new DrillDownAdapter(viewer); |
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109 | |
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110 | hookContextMenu(); |
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111 | |
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112 | resourceListener = new IResourceChangeListener() |
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113 | { |
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114 | public void resourceChanged(IResourceChangeEvent event) |
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115 | { |
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116 | if (event.getType() != IResourceChangeEvent.POST_CHANGE) |
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117 | { |
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118 | return; |
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119 | } |
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120 | |
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121 | //TODO this must be made more selective |
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122 | // a list of objects (tree-nodes) need to be made |
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123 | // from resource delta and posted to UI thread |
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124 | // se http://www.eclipse.org/articles/Article-Resource-deltas/resource-deltas.html |
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125 | getViewSite().getShell().getDisplay().asyncExec(new Runnable() |
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126 | { |
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127 | public void run() |
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128 | { |
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129 | viewer.refresh(true); |
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130 | } |
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131 | }); |
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132 | } |
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133 | }; |
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134 | workspace.addResourceChangeListener(resourceListener); |
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135 | } |
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136 | |
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137 | @Override |
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138 | public void setFocus() |
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139 | { |
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140 | viewer.getTree().setFocus(); |
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141 | } |
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142 | |
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143 | private void hookContextMenu() |
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144 | { |
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145 | MenuManager menuMgr = new MenuManager("#PopupMenu"); |
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146 | menuMgr.setRemoveAllWhenShown(true); |
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147 | menuMgr.addMenuListener(new IMenuListener() |
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148 | { |
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149 | public void menuAboutToShow(IMenuManager manager) |
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150 | { |
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151 | ProjectsView.this.fillContextMenu(manager); |
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152 | } |
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153 | }); |
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154 | Menu menu = menuMgr.createContextMenu(viewer.getControl()); |
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155 | viewer.getControl().setMenu(menu); |
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156 | getSite().registerContextMenu(menuMgr, viewer); |
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157 | } |
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158 | |
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159 | private void fillContextMenu(IMenuManager manager) |
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160 | { |
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161 | manager.add(new Separator()); |
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162 | drillDownAdapter.addNavigationActions(manager); |
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163 | // Other plug-ins can contribute there actions here |
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164 | manager.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS)); |
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165 | } |
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166 | |
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167 | @Override |
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168 | public void dispose() |
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169 | { |
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170 | super.dispose(); |
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171 | ResourcesPlugin.getWorkspace().removeResourceChangeListener(resourceListener); |
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172 | } |
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173 | |
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174 | } |
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