| /******************************************************************************* |
| * Copyright (c) 2004, 2006 Sybase, Inc. and others. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jst.jsf.facesconfig.ui.preference; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.draw2d.ColorConstants; |
| import org.eclipse.draw2d.IFigure; |
| import org.eclipse.draw2d.Label; |
| import org.eclipse.draw2d.LineBorder; |
| import org.eclipse.draw2d.MarginBorder; |
| import org.eclipse.draw2d.MidpointLocator; |
| import org.eclipse.draw2d.PolylineConnection; |
| import org.eclipse.draw2d.PositionConstants; |
| import org.eclipse.draw2d.geometry.PointList; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.graphics.Image; |
| |
| /** |
| * @author Bob |
| */ |
| /*package*/ class LinkFigure extends PolylineConnection implements IBaseFigure { |
| private final static Color defaultLineColor = ColorConstants.black; |
| |
| private final static int defaultLineWidth = 1; |
| |
| private final static boolean defaultLabelVisible = false; |
| |
| private final static Color defaultLabelForeground = ColorConstants.black; |
| |
| private final static Color defaultLabelBackground = ColorConstants.white; |
| |
| private final static Font defaultFont = JFaceResources.getFontRegistry().get( |
| JFaceResources.DEFAULT_FONT); |
| |
| private LinkLabel label; |
| |
| /** |
| * Default constructor |
| */ |
| public LinkFigure() { |
| super(); |
| setLineWidth(defaultLineWidth); |
| setForegroundColor(defaultLineColor); |
| |
| // BaseFigureDecorator decorator; |
| // decorator = new |
| // BaseFigureDecorator(GEMPlugin.getDefault().getGEMImage("delete.gif"),"target",PositionConstants.WEST); |
| // addDecorator(decorator); |
| // decorator = new |
| // BaseFigureDecorator(GEMPlugin.getDefault().getGEMImage("delete.gif"),"target",PositionConstants.EAST); |
| // addDecorator(decorator); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#setToolTipText() |
| */ |
| public void setToolTipText(final String text) { |
| Label toolTip_ = null; |
| |
| if (text != null && text.length() > 0) { |
| toolTip_ = new Label(text); |
| toolTip_.setBorder(new MarginBorder(3)); |
| } |
| |
| super.setToolTip(toolTip_); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#getToolTipText() |
| */ |
| public String getToolTipText() { |
| if (getToolTip() != null) |
| { |
| return ((Label) getToolTip()).getText(); |
| } |
| return null; |
| } |
| |
| public void setHighlight(final boolean flag) { |
| if (flag) { |
| setForegroundColor(ColorConstants.titleBackground); |
| // setLineWidth(defaultLineWidth * 2); |
| } else { |
| setForegroundColor(defaultLineColor); |
| // setLineWidth(defaultLineWidth); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#setText() |
| */ |
| public void setText(final String text) { |
| if (text != null && text.length() == 0) { |
| if (label != null) { |
| remove(label); |
| label = null; |
| } |
| } else { |
| getLabel().setText(text); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#getText() |
| */ |
| public String getText() { |
| if (label == null) |
| { |
| return null; |
| } |
| return label.getText(); |
| } |
| |
| /* |
| * CR374981: Long activity labels do not get wrapped or truncated This |
| * method was added to the IBaseFigure interface to support direct edit of |
| * figure labels on the canvas. |
| */ |
| public Rectangle getTextBounds() { |
| return label.getTextBounds(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#setIcon(org.eclipse.swt.graphics.Image) |
| */ |
| public void setIcon(final Image image) { |
| getLabel().setIcon(image); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#getIcon() |
| */ |
| public Image getIcon() { |
| return getLabel().getIcon(); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#addDecorator(com.sybase.stf.gem.diagram.editor.figures.BaseFigureDecorator) |
| */ |
| public void addDecorator(final BaseFigureDecorator decorator) { |
| final int pos = decorator.getPosition(); |
| if (pos == BaseFigureDecorator.DEFAULT_DECORATOR_POSITION |
| || pos == PositionConstants.WEST |
| || pos == PositionConstants.LEFT) { |
| setTargetDecoration(decorator); |
| } else if (pos == PositionConstants.EAST |
| || pos == PositionConstants.RIGHT) { |
| setSourceDecoration(decorator); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#removeDecorator() |
| */ |
| public void removeDecorator() { |
| removeDecorator(BaseFigureDecorator.DEFAULT_DECORATOR_POSITION); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#removeDecorator(int) |
| */ |
| public void removeDecorator(final int position) { |
| if (position == BaseFigureDecorator.DEFAULT_DECORATOR_POSITION) |
| { |
| setTargetDecoration(null); |
| } |
| else |
| { |
| setSourceDecoration(null); |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see com.sybase.stf.gem.diagram.editor.figures.IBaseFigure#getDecorators() |
| */ |
| public List getDecorators() { |
| final List list = new ArrayList(2); |
| Object d; |
| d = getSourceDecoration(); |
| if (d != null) |
| { |
| list.add(d); |
| } |
| d = getTargetDecoration(); |
| if (d != null) |
| { |
| list.add(d); |
| } |
| return list; |
| } |
| |
| private LinkLabel getLabel() { |
| if (label == null) { |
| label = new LinkLabel(); |
| add(label, new MidpointLocator(this, 0)); |
| } |
| return label; |
| } |
| |
| @Override |
| public void setFont(final Font f) { |
| getLabel().setFont(f); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.draw2d.Shape#setLineWidth(int) |
| */ |
| @Override |
| public void setLineWidth(final int w) { |
| getLabel().setBorderWidth(w); |
| super.setLineWidth(w); |
| } |
| |
| @Override |
| public void setForegroundColor(final Color c) { |
| getLabel().setBorderColor(c); |
| super.setForegroundColor(c); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.draw2d.Polyline#setPoints(org.eclipse.draw2d.geometry.PointList) |
| */ |
| @Override |
| public void setPoints(final PointList points) { |
| super.setPoints(points); |
| if (label != null) { |
| int i = getPoints().size() / 2 - 1; |
| if (i < 0) |
| { |
| i = 0; |
| } |
| if (getLayoutManager() != null) |
| { |
| getLayoutManager().setConstraint(label, |
| new MidpointLocator(this, i)); |
| } |
| } |
| } |
| |
| @Override |
| public Rectangle getBounds() { |
| if (bounds == null) { |
| if (bounds == null) { |
| bounds = getPoints().getBounds().getExpanded(lineWidth / 2, |
| lineWidth / 2); |
| } |
| // CR382243: Clicking on the node icon selects the connection line |
| // rather than the node |
| // NOTE: expanding the bounds to include children (in this case, |
| // the Link labels) causes problems when the connection line becomes |
| // short (i.e., when the 2 anchor figures at each end of the |
| // connection are |
| // close together) because the bounds of this link figure will be |
| // greater |
| // than the actual length of the line. This causes the link figure |
| // to |
| // be hit-tested beyond its visual size. |
| if (getLabel().isVisible()) { |
| for (int i = 0; i < getChildren().size(); i++) { |
| final IFigure child = (IFigure) getChildren().get(i); |
| bounds.union(child.getBounds()); |
| } |
| } |
| } |
| return bounds; |
| } |
| |
| /* |
| * Helper class for line labels. |
| */ |
| private static class LinkLabel extends Label { |
| LinkLabel() { |
| setBorder(new LineBorder()); |
| setOpaque(true); |
| setForegroundColor(defaultLabelForeground); |
| setBackgroundColor(defaultLabelBackground); |
| setFont(defaultFont); |
| final LineBorder border_ = new LineBorder(defaultLineWidth); |
| setBorder(border_); |
| border_.setColor(defaultLineColor); |
| setVisible(defaultLabelVisible); |
| } |
| |
| void setBorderWidth(final int w) { |
| ((LineBorder) getBorder()).setWidth(w); |
| } |
| |
| void setBorderColor(final Color c) { |
| ((LineBorder) getBorder()).setColor(c); |
| } |
| |
| @Override |
| protected boolean useLocalCoordinates() { |
| return false; |
| } |
| } |
| } |
