diff options
Diffstat (limited to 'jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/editpolicies/ElementResizableEditPolicy.java')
| -rw-r--r-- | jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/editpolicies/ElementResizableEditPolicy.java | 464 |
1 files changed, 0 insertions, 464 deletions
diff --git a/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/editpolicies/ElementResizableEditPolicy.java b/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/editpolicies/ElementResizableEditPolicy.java deleted file mode 100644 index 216ac5539..000000000 --- a/jsf/plugins/org.eclipse.jst.pagedesigner/src/org/eclipse/jst/pagedesigner/editpolicies/ElementResizableEditPolicy.java +++ /dev/null @@ -1,464 +0,0 @@ -/******************************************************************************* - * Copyright (c) 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.pagedesigner.editpolicies; - -import java.util.ArrayList; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -import org.eclipse.core.resources.IFile; -import org.eclipse.core.resources.IProject; -import org.eclipse.draw2d.ColorConstants; -import org.eclipse.draw2d.IFigure; -import org.eclipse.draw2d.Label; -import org.eclipse.draw2d.RectangleFigure; -import org.eclipse.draw2d.geometry.Dimension; -import org.eclipse.draw2d.geometry.Insets; -import org.eclipse.draw2d.geometry.Point; -import org.eclipse.draw2d.geometry.PrecisionRectangle; -import org.eclipse.draw2d.geometry.Rectangle; -import org.eclipse.gef.EditPart; -import org.eclipse.gef.GraphicalEditPart; -import org.eclipse.gef.Request; -import org.eclipse.gef.RequestConstants; -import org.eclipse.gef.SharedCursors; -import org.eclipse.gef.commands.Command; -import org.eclipse.gef.editpolicies.ResizableEditPolicy; -import org.eclipse.gef.handles.NonResizableHandleKit; -import org.eclipse.gef.requests.ChangeBoundsRequest; -import org.eclipse.gef.requests.LocationRequest; -import org.eclipse.gef.requests.SelectionRequest; -import org.eclipse.gef.tools.SelectEditPartTracker; -import org.eclipse.jst.pagedesigner.IHTMLConstants; -import org.eclipse.jst.pagedesigner.IJMTConstants; -import org.eclipse.jst.pagedesigner.commands.single.ChangeStyleCommand; -import org.eclipse.jst.pagedesigner.common.utils.StringUtil; -import org.eclipse.jst.pagedesigner.css2.ICSSStyle; -import org.eclipse.jst.pagedesigner.css2.layout.BlockBox; -import org.eclipse.jst.pagedesigner.css2.layout.CSSFigure; -import org.eclipse.jst.pagedesigner.css2.layout.MultiLineLabel; -import org.eclipse.jst.pagedesigner.dom.EditModelQuery; -import org.eclipse.jst.pagedesigner.editors.palette.IPaletteItemCategory; -import org.eclipse.jst.pagedesigner.editors.palette.IPaletteItemDescriptor; -import org.eclipse.jst.pagedesigner.editors.palette.impl.PaletteItemManager; -import org.eclipse.jst.pagedesigner.parts.ElementEditPart; -import org.eclipse.jst.pagedesigner.requests.LocationModifierRequest; -import org.eclipse.jst.pagedesigner.utils.CMUtil; -import org.eclipse.jst.pagedesigner.utils.StructuredModelUtil; -import org.eclipse.swt.graphics.Color; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMElement; -import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel; -import org.w3c.dom.Element; -import org.w3c.dom.Node; - -/** - * @author mengbo - * @version 1.5 - */ -public class ElementResizableEditPolicy extends ResizableEditPolicy { - private static final Insets INSETS_1 = new Insets(1, 1, 1, 1); - - private static final int THRESHHOLD = 3; - - private static final Insets INSETS_CONST = new Insets(THRESHHOLD, - THRESHHOLD, THRESHHOLD, THRESHHOLD); - - private boolean _showLabelFeedback = true; - - private IFigure[] _hoverFeedbackFigure; - - public static Color HOVER_FEEDBACK_COLOR = ColorConstants.darkBlue; - - /* - * (non-Javadoc) - * - * @see org.eclipse.gef.editpolicies.AbstractEditPolicy#showTargetFeedback(org.eclipse.gef.Request) - */ - public void showTargetFeedback(Request request) { - if (RequestConstants.REQ_SELECTION_HOVER.equals(request.getType())) { - if (_hoverFeedbackFigure != null) { - for (int i = 0; i < _hoverFeedbackFigure.length; i++) { - removeFeedback(_hoverFeedbackFigure[i]); - } - _hoverFeedbackFigure = null; - } - _hoverFeedbackFigure = showHoverFeedback(request); - } else { - super.showTargetFeedback(request); - } - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.gef.editpolicies.AbstractEditPolicy#eraseTargetFeedback(org.eclipse.gef.Request) - */ - public void eraseTargetFeedback(Request request) { - if (RequestConstants.REQ_SELECTION_HOVER.equals(request.getType())) { - if (_hoverFeedbackFigure != null) { - for (int i = 0; i < _hoverFeedbackFigure.length; i++) { - removeFeedback(_hoverFeedbackFigure[i]); - } - _hoverFeedbackFigure = null; - } - } else { - super.eraseTargetFeedback(request); - } - } - - /** - * @param request - */ - private IFigure[] showHoverFeedback(Request request) { - if (!shouldUseObjectMode(request) && !isStyleTags(getHost())) { - return null; - } - - IFigure figure = this.getHostFigure(); - Rectangle[] rects; - if (figure instanceof CSSFigure) { - rects = ((CSSFigure) figure).getFragmentsBounds(); - } else { - rects = new Rectangle[] { figure.getBounds() }; - } - IFigure[] figures = new IFigure[rects.length - + (_showLabelFeedback ? 1 : 0)]; - for (int i = 0; i < rects.length; i++) { - RectangleFigure fig = new RectangleFigure(); - fig.setFill(false); - fig.setOutline(true); - fig.setLineWidth(1); - fig.setForegroundColor(HOVER_FEEDBACK_COLOR); - addFeedback(fig); - - Rectangle r = rects[i].getCopy(); - figure.translateToAbsolute(r); - fig.translateToRelative(r); - fig.setBounds(r); - - figures[i] = fig; - } - if (_showLabelFeedback) { - Label label = new MultiLineLabel(); - label.setOpaque(true); - label.setBackgroundColor(ColorConstants.yellow); - // label.setBorder(new LineBorder(HOVER_FEEDBACK_COLOR, 1)); - label.setForegroundColor(HOVER_FEEDBACK_COLOR); - label.setText(getTooltipText()); - addFeedback(label); - // use last rect's bottom left as the label's left top - Point leftTop = new Point(rects[rects.length - 1].getBottomLeft()); - figure.translateToAbsolute(leftTop); - label.translateToRelative(leftTop); - Dimension d = label.getPreferredSize(); - Rectangle rect = new Rectangle(leftTop, d); - - // to avoid enlarge feedback pane. - rect = rect.intersect(getFeedbackLayer().getBounds()); - label.setBounds(rect); - - figures[rects.length] = label; - } - return figures; - } - - private String getTooltipText() { - Element element = (Element) this.getHost().getModel(); - StringBuffer text = new StringBuffer(); - text.append("<").append(element.getTagName()).append(">"); - - PaletteItemManager manager = PaletteItemManager - .getInstance(getProject(element)); - if (manager != null) { - IPaletteItemCategory category = manager.findOrCreateCategory(CMUtil - .getElementNamespaceURI(element), null); - if (category != null) { - String name = element.getLocalName(); - if (category.getURI().equals(IJMTConstants.URI_JSP)) { - name = element.getTagName(); - } - IPaletteItemDescriptor descriptor = category - .getItemByTagName(name); - if (category.getURI().equals(IJMTConstants.URI_HTML) - && IHTMLConstants.TAG_INPUT.equalsIgnoreCase(name)) { - String type = element - .getAttribute(IHTMLConstants.ATTR_TYPE); - if (IHTMLConstants.TYPE_SUBMIT.equalsIgnoreCase(type)) { - descriptor = category.getItemByID("html:INPUT:Button"); - } else if (IHTMLConstants.TYPE_CHECKBOX - .equalsIgnoreCase(type)) { - descriptor = category - .getItemByID("html:INPUT:Check Box"); - } else if (IHTMLConstants.TYPE_RADIO.equalsIgnoreCase(type)) { - descriptor = category - .getItemByID("html:INPUT:Radio Button"); - } else if (IHTMLConstants.TYPE_IMAGE.equalsIgnoreCase(type)) { - descriptor = category - .getItemByID("html:INPUT:Image Button"); - } else if (IHTMLConstants.TYPE_PASSWORD - .equalsIgnoreCase(type)) { - descriptor = category - .getItemByID("html:INPUT:Password Field"); - } else if (IHTMLConstants.TYPE_TEXT.equalsIgnoreCase(type)) { - descriptor = category - .getItemByID("html:INPUT:Text Field"); - } else if (IHTMLConstants.TYPE_HIDDEN - .equalsIgnoreCase(type)) { - descriptor = category - .getItemByID("html:INPUT:Hidden Field"); - } - } - - if (descriptor != null) { - text.append("\n").append( - StringUtil.filterConvertString(descriptor - .getDescription())); - } - } - } - - if (text.toString().endsWith("\n")) { - return text.substring(0, text.length() - 1); - } - return text.toString(); - } - - private IProject getProject(Element element) { - if (element instanceof IDOMElement) { - IDOMModel model = ((IDOMElement) element).getModel(); - IFile file = StructuredModelUtil.getFileFor(model); - if (file != null) { - return file.getProject(); - } - } - return null; - } - - private boolean isStyleTags(EditPart part) { - if (part != null && part.getModel() instanceof Node) { - return EditModelQuery.HTML_STYLE_NODES.contains(((Node) part - .getModel()).getNodeName()); - } else { - return false; - } - } - - /** - * @param request - * @return - */ - public boolean shouldUseObjectMode(Request request) { - ElementEditPart part = (ElementEditPart) this.getHost(); - if (isStyleTags(part)) { - return false; - } - if (part.isWidget() - || (!part.canHaveDirectTextChild() && !part - .haveNonWhitespaceTextChild())) { - return true; - } - if (request instanceof SelectionRequest - && ((SelectionRequest) request).isControlKeyPressed()) { - return true; - } - if (request instanceof LocationModifierRequest - && ((LocationModifierRequest) request).isControlKeyPressed()) { - return true; - } - - // for other elements - if (request instanceof LocationRequest) { - Point location = ((LocationRequest) request).getLocation() - .getCopy(); - part.getFigure().translateToRelative(location); - return shouldUseObjectMode(location); - } else { - return false; // should not happen - } - } - - /** - * @param location - * @return - */ - private boolean shouldUseObjectMode(Point location) { - // when the location is close to the border/padding of the element, then - // we think it is default to - // object mode selection. - CSSFigure figure = (CSSFigure) this.getHostFigure(); - if (figure.getFragmentsBounds().length != 1) { - return false; - } - Rectangle bounds = figure.getBounds().getCopy(); - Insets insets = figure.getInsets(); - bounds.crop(insets); - if (insets.top > THRESHHOLD && insets.left > THRESHHOLD - && insets.right > THRESHHOLD && insets.bottom > THRESHHOLD) { - return !bounds.contains(location); - } - - // since the figure insets could be 0, so we expand it a little, thus - // even the point is - // a little inside the content area, we still think it is selection the - // object. - if (bounds.height < 3 * THRESHHOLD || bounds.width < 3 * THRESHHOLD) { - bounds.crop(INSETS_1); - } else { - bounds.crop(INSETS_CONST); - } - return !bounds.contains(location); - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.gef.editpolicies.ResizableEditPolicy#createSelectionHandles() - */ - protected List createSelectionHandles() { - // we have three different kinds of handles. - // 1. Those element that is resizable. - // 2. Those element that is rectangle but not resizable. - // 3. Those element that is not rectangle (fragments) - - IFigure figure = this.getHostFigure(); - if (figure instanceof CSSFigure && getHost() instanceof ElementEditPart) { - CSSFigure cssfigure = (CSSFigure) figure; - List fragments = cssfigure.getFragmentsForRead(); - - // XXX: only one fragment and is blockbox, then we think it is - // resizable by figure - // should move this test to somewhere else. - if (fragments != null && fragments.size() == 1 - && fragments.get(0) instanceof BlockBox) { - if (((ElementEditPart) getHost()).isResizable()) { - // super is Resizable policy, will create a resize handles. - return super.createSelectionHandles(); - } else { - return createNonResizeHandles(); - } - } else { - return createFragmentsHandles(); - } - } else { - // second case - return createNonResizeHandles(); - } - } - - /** - * @return - */ - private List createFragmentsHandles() { - List list = new ArrayList(); - list.add(new FragmentHandle((GraphicalEditPart) getHost())); - return list; - } - - /** - * @return - */ - private List createNonResizeHandles() { - // following code copied from NonResizableEditPolicy - List list = new ArrayList(); - if (isDragAllowed()) { - NonResizableHandleKit.addHandles((GraphicalEditPart) getHost(), - list); - } else { - NonResizableHandleKit.addHandles((GraphicalEditPart) getHost(), - list, new SelectEditPartTracker(getHost()), - SharedCursors.ARROW); - } - - return list; - } - - /** - * child class could override this method. - * - * @param width - * @param height - * @return - */ - protected Command getResizeCommand(IDOMElement element, int width, - int height) { - Map map = new HashMap(); - if (width > 0) { - map.put("width", width + "px"); - } - if (height > 0) { - map.put("height", height + "px"); - } - if (map.isEmpty()) { - return null; - } else { - return new ChangeStyleCommand(element, map); - } - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.gef.editpolicies.ResizableEditPolicy#getResizeCommand(org.eclipse.gef.requests.ChangeBoundsRequest) - */ - protected Command getResizeCommand(ChangeBoundsRequest request) { - ElementEditPart part = (ElementEditPart) this.getHost(); - - Rectangle rect = part.getFigure().getBounds(); - rect = request.getTransformedRectangle(rect); - int width = rect.width; - int height = rect.height; - - // since the user dragged rectangle included border/padding of the - // element. And if the element's - // width/height style setting don't include border padding, then we need - // to set the element's width/height - // style property a little smaller. - if (part.getFigure() instanceof CSSFigure) { - CSSFigure cssfigure = (CSSFigure) part.getFigure(); - ICSSStyle style = cssfigure.getCSSStyle(); - if (style != null && !style.isSizeIncludeBorderPadding()) { - width -= (style.getBorderInsets().getWidth() + style - .getPaddingInsets().getWidth()); - height -= (style.getBorderInsets().getHeight() + style - .getPaddingInsets().getHeight()); - } - } - return getResizeCommand((IDOMElement) part.getIDOMNode(), width, height); - } - - /** - * Shows or updates feedback for a change bounds request. - * - * @param request - * the request - */ - protected void showChangeBoundsFeedback(ChangeBoundsRequest request) { - IFigure feedback = getDragSourceFeedbackFigure(); - - PrecisionRectangle rect = new PrecisionRectangle( - getInitialFeedbackBounds().getCopy()); - getHostFigure().translateToAbsolute(rect); - rect.translate(request.getMoveDelta()); - rect.resize(request.getSizeDelta()); - - // to avoid enlarge feedback pane. - // when draging a editpart inside designer to move/copy it, we do not - // want to - // enlarge the canvas, since that may resulting in relayout. - rect = (PrecisionRectangle) rect.intersect(getFeedbackLayer() - .getBounds()); - - feedback.translateToRelative(rect); - feedback.setBounds(rect); - } -} |