| 1 | /* |
| 2 | * Copyright 2007, SDQ, IPD, University of Karlsruhe |
| 3 | */ |
| 4 | package de.uka.ipd.sdq.pcm.gmf.usage.edit.policies; |
| 5 | |
| 6 | import java.util.Collections; |
| 7 | import java.util.List; |
| 8 | |
| 9 | import org.eclipse.draw2d.ColorConstants; |
| 10 | import org.eclipse.draw2d.Figure; |
| 11 | import org.eclipse.draw2d.FigureListener; |
| 12 | import org.eclipse.draw2d.Graphics; |
| 13 | import org.eclipse.draw2d.IFigure; |
| 14 | import org.eclipse.draw2d.Label; |
| 15 | import org.eclipse.draw2d.RectangleFigure; |
| 16 | import org.eclipse.draw2d.geometry.Rectangle; |
| 17 | import org.eclipse.gef.GraphicalEditPart; |
| 18 | import org.eclipse.gef.handles.MoveHandle; |
| 19 | import org.eclipse.gmf.runtime.diagram.ui.editpolicies.NonResizableEditPolicyEx; |
| 20 | import org.eclipse.gmf.runtime.diagram.ui.tools.DragEditPartsTrackerEx; |
| 21 | import org.eclipse.gmf.runtime.draw2d.ui.figures.WrappingLabel; |
| 22 | |
| 23 | /** |
| 24 | * @generated |
| 25 | */ |
| 26 | public class PalladioComponentModelTextNonResizableEditPolicy extends |
| 27 | NonResizableEditPolicyEx { |
| 28 | |
| 29 | /** |
| 30 | * @generated |
| 31 | */ |
| 32 | private IFigure selectionFeedbackFigure; |
| 33 | |
| 34 | /** |
| 35 | * @generated |
| 36 | */ |
| 37 | private IFigure focusFeedbackFigure; |
| 38 | |
| 39 | /** |
| 40 | * @generated |
| 41 | */ |
| 42 | private FigureListener hostPositionListener; |
| 43 | |
| 44 | /** |
| 45 | * @generated |
| 46 | */ |
| 47 | protected void showPrimarySelection() { |
| 48 | if (getHostFigure() instanceof WrappingLabel) { |
| 49 | ((WrappingLabel) getHostFigure()).setSelected(true); |
| 50 | ((WrappingLabel) getHostFigure()).setFocus(true); |
| 51 | } else { |
| 52 | showSelection(); |
| 53 | showFocus(); |
| 54 | } |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * @generated |
| 59 | */ |
| 60 | protected void showSelection() { |
| 61 | if (getHostFigure() instanceof WrappingLabel) { |
| 62 | ((WrappingLabel) getHostFigure()).setSelected(true); |
| 63 | ((WrappingLabel) getHostFigure()).setFocus(false); |
| 64 | } else { |
| 65 | hideSelection(); |
| 66 | addFeedback(selectionFeedbackFigure = createSelectionFeedbackFigure()); |
| 67 | getHostFigure().addFigureListener(getHostPositionListener()); |
| 68 | refreshSelectionFeedback(); |
| 69 | hideFocus(); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | /** |
| 74 | * @generated |
| 75 | */ |
| 76 | protected void hideSelection() { |
| 77 | if (getHostFigure() instanceof WrappingLabel) { |
| 78 | ((WrappingLabel) getHostFigure()).setSelected(false); |
| 79 | ((WrappingLabel) getHostFigure()).setFocus(false); |
| 80 | } else { |
| 81 | if (selectionFeedbackFigure != null) { |
| 82 | removeFeedback(selectionFeedbackFigure); |
| 83 | getHostFigure().removeFigureListener(getHostPositionListener()); |
| 84 | selectionFeedbackFigure = null; |
| 85 | } |
| 86 | hideFocus(); |
| 87 | } |
| 88 | } |
| 89 | |
| 90 | /** |
| 91 | * @generated |
| 92 | */ |
| 93 | protected void showFocus() { |
| 94 | if (getHostFigure() instanceof WrappingLabel) { |
| 95 | ((WrappingLabel) getHostFigure()).setFocus(true); |
| 96 | } else { |
| 97 | hideFocus(); |
| 98 | addFeedback(focusFeedbackFigure = createFocusFeedbackFigure()); |
| 99 | refreshFocusFeedback(); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * @generated |
| 105 | */ |
| 106 | protected void hideFocus() { |
| 107 | if (getHostFigure() instanceof WrappingLabel) { |
| 108 | ((WrappingLabel) getHostFigure()).setFocus(false); |
| 109 | } else { |
| 110 | if (focusFeedbackFigure != null) { |
| 111 | removeFeedback(focusFeedbackFigure); |
| 112 | focusFeedbackFigure = null; |
| 113 | } |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * @generated |
| 119 | */ |
| 120 | protected Rectangle getFeedbackBounds() { |
| 121 | Rectangle bounds; |
| 122 | if (getHostFigure() instanceof Label) { |
| 123 | bounds = ((Label) getHostFigure()).getTextBounds(); |
| 124 | bounds.intersect(getHostFigure().getBounds()); |
| 125 | } else { |
| 126 | bounds = getHostFigure().getBounds().getCopy(); |
| 127 | } |
| 128 | getHostFigure().getParent().translateToAbsolute(bounds); |
| 129 | getFeedbackLayer().translateToRelative(bounds); |
| 130 | return bounds; |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * @generated |
| 135 | */ |
| 136 | protected IFigure createSelectionFeedbackFigure() { |
| 137 | if (getHostFigure() instanceof Label) { |
| 138 | Label feedbackFigure = new Label(); |
| 139 | feedbackFigure.setOpaque(true); |
| 140 | feedbackFigure |
| 141 | .setBackgroundColor(ColorConstants.menuBackgroundSelected); |
| 142 | feedbackFigure |
| 143 | .setForegroundColor(ColorConstants.menuForegroundSelected); |
| 144 | return feedbackFigure; |
| 145 | } else { |
| 146 | RectangleFigure feedbackFigure = new RectangleFigure(); |
| 147 | feedbackFigure.setFill(false); |
| 148 | return feedbackFigure; |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * @generated |
| 154 | */ |
| 155 | protected IFigure createFocusFeedbackFigure() { |
| 156 | return new Figure() { |
| 157 | |
| 158 | protected void paintFigure(Graphics graphics) { |
| 159 | graphics.drawFocus(getBounds().getResized(-1, -1)); |
| 160 | } |
| 161 | }; |
| 162 | } |
| 163 | |
| 164 | /** |
| 165 | * @generated |
| 166 | */ |
| 167 | protected void updateLabel(Label target) { |
| 168 | Label source = (Label) getHostFigure(); |
| 169 | target.setText(source.getText()); |
| 170 | target.setTextAlignment(source.getTextAlignment()); |
| 171 | target.setFont(source.getFont()); |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * @generated |
| 176 | */ |
| 177 | protected void refreshSelectionFeedback() { |
| 178 | if (selectionFeedbackFigure != null) { |
| 179 | if (selectionFeedbackFigure instanceof Label) { |
| 180 | updateLabel((Label) selectionFeedbackFigure); |
| 181 | selectionFeedbackFigure.setBounds(getFeedbackBounds()); |
| 182 | } else { |
| 183 | selectionFeedbackFigure.setBounds(getFeedbackBounds().expand(5, |
| 184 | 5)); |
| 185 | } |
| 186 | } |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * @generated |
| 191 | */ |
| 192 | protected void refreshFocusFeedback() { |
| 193 | if (focusFeedbackFigure != null) { |
| 194 | focusFeedbackFigure.setBounds(getFeedbackBounds()); |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | /** |
| 199 | * @generated |
| 200 | */ |
| 201 | public void refreshFeedback() { |
| 202 | refreshSelectionFeedback(); |
| 203 | refreshFocusFeedback(); |
| 204 | } |
| 205 | |
| 206 | /** |
| 207 | * @generated |
| 208 | */ |
| 209 | private FigureListener getHostPositionListener() { |
| 210 | if (hostPositionListener == null) { |
| 211 | hostPositionListener = new FigureListener() { |
| 212 | public void figureMoved(IFigure source) { |
| 213 | refreshFeedback(); |
| 214 | } |
| 215 | }; |
| 216 | } |
| 217 | return hostPositionListener; |
| 218 | } |
| 219 | |
| 220 | /** |
| 221 | * @generated |
| 222 | */ |
| 223 | protected List createSelectionHandles() { |
| 224 | MoveHandle moveHandle = new MoveHandle((GraphicalEditPart) getHost()); |
| 225 | moveHandle.setBorder(null); |
| 226 | moveHandle.setDragTracker(new DragEditPartsTrackerEx(getHost())); |
| 227 | return Collections.singletonList(moveHandle); |
| 228 | } |
| 229 | } |