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/*******************************************************************************
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* Copyright (c) 2000, 2010 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package org.eclipse.gef.internal.ui.palette.editparts;
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import org.eclipse.swt.accessibility.ACC;
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import org.eclipse.swt.accessibility.AccessibleControlEvent;
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import org.eclipse.swt.accessibility.AccessibleEvent;
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import org.eclipse.swt.graphics.Image;
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import org.eclipse.ui.IMemento;
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import org.eclipse.draw2d.Graphics;
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import org.eclipse.draw2d.IFigure;
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import org.eclipse.gef.AccessibleEditPart;
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import org.eclipse.gef.DragTracker;
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import org.eclipse.gef.Request;
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import org.eclipse.gef.internal.ui.palette.PaletteColorUtil;
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import org.eclipse.gef.palette.PaletteEntry;
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import org.eclipse.gef.palette.PaletteTemplateEntry;
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import org.eclipse.gef.ui.palette.PaletteViewerPreferences;
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import org.eclipse.gef.ui.palette.editparts.PaletteEditPart;
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/**
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* @author Eric Bordeau, Pratik Shah
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*/
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public class TemplateEditPart extends PaletteEditPart {
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private static final String SELECTION_STATE = "selection"; //$NON-NLS-1$
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/**
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* Constructor
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*
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* @param entry
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* The model entry
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*/
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public TemplateEditPart(PaletteTemplateEntry entry) {
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super(entry);
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}
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/**
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* @see org.eclipse.gef.ui.palette.editparts.PaletteEditPart#createAccessible()
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*/
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protected AccessibleEditPart createAccessible() {
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return new AccessibleGraphicalEditPart() {
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public void getDescription(AccessibleEvent e) {
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e.result = getTemplateEntry().getDescription();
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}
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public void getName(AccessibleEvent e) {
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e.result = getTemplateEntry().getLabel();
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}
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public void getRole(AccessibleControlEvent e) {
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e.detail = ACC.ROLE_LISTITEM;
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}
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};
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}
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/**
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* @see org.eclipse.gef.editparts.AbstractGraphicalEditPart#createFigure()
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*/
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public IFigure createFigure() {
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IFigure fig = new DetailedLabelFigure() {
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public IFigure getToolTip() {
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return createToolTip();
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}
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protected void paintFigure(Graphics graphics) {
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super.paintFigure(graphics);
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if (isSelected()) {
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graphics.setBackgroundColor(PaletteColorUtil
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.getSelectedColor());
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}
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graphics.fillRoundRectangle(ToolEntryEditPart
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.getSelectionRectangle(getLayoutSetting(), this), 3, 3);
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}
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};
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fig.setRequestFocusEnabled(true);
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return fig;
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}
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/**
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* @see org.eclipse.gef.ui.palette.editparts.PaletteEditPart#deactivate()
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*/
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public void deactivate() {
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((DetailedLabelFigure) getFigure()).dispose();
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super.deactivate();
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}
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/**
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* @see org.eclipse.gef.ui.palette.editparts.PaletteEditPart#getDragTracker(Request)
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*/
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public DragTracker getDragTracker(Request request) {
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return new SingleSelectionTracker() {
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protected boolean handleButtonDown(int button) {
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getFigure().requestFocus();
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return super.handleButtonDown(button);
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}
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};
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}
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private PaletteTemplateEntry getTemplateEntry() {
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return (PaletteTemplateEntry) getModel();
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}
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/**
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* @see org.eclipse.gef.ui.palette.editparts.PaletteEditPart#getToolTipText()
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*/
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protected String getToolTipText() {
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String result = null;
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if (getLayoutSetting() != PaletteViewerPreferences.LAYOUT_DETAILS) {
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result = super.getToolTipText();
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}
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return result;
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}
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/**
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* If this edit part's name is truncated in its label, the name should be
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* prepended to the tooltip.
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*
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* @return whether the name needs to be included in the tooltip
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*/
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protected boolean nameNeededInToolTip() {
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DetailedLabelFigure label = (DetailedLabelFigure) getFigure();
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return label.isNameTruncated() || super.nameNeededInToolTip();
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}
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/**
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* @see org.eclipse.gef.editparts.AbstractEditPart#refreshVisuals()
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*/
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protected void refreshVisuals() {
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DetailedLabelFigure fig = (DetailedLabelFigure) getFigure();
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PaletteEntry entry = getPaletteEntry();
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fig.setName(entry.getLabel());
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fig.setDescription(entry.getDescription());
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if (getPreferenceSource().useLargeIcons())
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setImageDescriptor(entry.getLargeIcon());
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else
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setImageDescriptor(entry.getSmallIcon());
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int layoutMode = getLayoutSetting();
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fig.setLayoutMode(layoutMode);
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if (layoutMode == PaletteViewerPreferences.LAYOUT_COLUMNS) {
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fig.setBorder(ToolEntryEditPart.ICON_BORDER);
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} else if (layoutMode == PaletteViewerPreferences.LAYOUT_LIST
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|| layoutMode == PaletteViewerPreferences.LAYOUT_DETAILS) {
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fig.setBorder(ToolEntryEditPart.LIST_BORDER);
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} else if (layoutMode == PaletteViewerPreferences.LAYOUT_ICONS
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&& !isToolbarItem()) {
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fig.setBorder(ToolEntryEditPart.ICON_BORDER);
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} else {
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fig.setBorder(null);
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}
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super.refreshVisuals();
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}
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public void restoreState(IMemento memento) {
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setSelected(memento.getInteger(SELECTION_STATE).intValue());
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super.restoreState(memento);
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}
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public void saveState(IMemento memento) {
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memento.putInteger(SELECTION_STATE, getSelected());
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super.saveState(memento);
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}
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/**
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* @see org.eclipse.gef.ui.palette.editparts.PaletteEditPart#setImageInFigure(Image)
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*/
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protected void setImageInFigure(Image image) {
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DetailedLabelFigure fig = (DetailedLabelFigure) getFigure();
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fig.setImage(image);
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}
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/**
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* @see org.eclipse.gef.EditPart#setSelected(int)
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*/
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public void setSelected(int value) {
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super.setSelected(value);
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DetailedLabelFigure label = (DetailedLabelFigure) getFigure();
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if (value == SELECTED_PRIMARY) {
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label.requestFocus();
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label.setSelected(true);
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} else {
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label.setSelected(false);
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}
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label.repaint();
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}
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}
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