blob: b52d8936705a3f81fe8dac5ce656f7df45f45d7e [file] [log] [blame]
/*******************************************************************************
* Copyright (c) 2001, 2004 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.xsd.ui.internal.graph.editparts;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.Label;
import org.eclipse.draw2d.LineBorder;
import org.eclipse.draw2d.MarginBorder;
import org.eclipse.draw2d.RectangleFigure;
import org.eclipse.draw2d.geometry.Point;
import org.eclipse.gef.EditPart;
import org.eclipse.gef.EditPolicy;
import org.eclipse.gef.Request;
import org.eclipse.gef.RequestConstants;
import org.eclipse.gef.requests.LocationRequest;
import org.eclipse.swt.graphics.Image;
import org.eclipse.wst.xsd.ui.internal.XSDEditorPlugin;
import org.eclipse.wst.xsd.ui.internal.gef.util.figures.SpacingFigure;
import org.eclipse.wst.xsd.ui.internal.graph.XSDChildUtility;
import org.eclipse.wst.xsd.ui.internal.graph.XSDGraphUtil;
import org.eclipse.wst.xsd.ui.internal.graph.XSDSubstitutionGroupChildUtility;
import org.eclipse.wst.xsd.ui.internal.graph.XSDSubstitutionGroupsViewer;
import org.eclipse.wst.xsd.ui.internal.graph.editpolicies.ComboBoxCellEditorManager;
import org.eclipse.wst.xsd.ui.internal.graph.editpolicies.ComponentNameDirectEditManager;
import org.eclipse.wst.xsd.ui.internal.graph.editpolicies.SimpleDirectEditPolicy;
import org.eclipse.wst.xsd.ui.internal.graph.editpolicies.TypeReferenceDirectEditManager;
import org.eclipse.wst.xsd.ui.internal.graph.figures.ContainerFigure;
import org.eclipse.wst.xsd.ui.internal.graph.figures.ExpandableGraphNodeFigure;
import org.eclipse.wst.xsd.ui.internal.graph.figures.FillLayout;
import org.eclipse.wst.xsd.ui.internal.graph.figures.GraphNodeFigure;
import org.eclipse.wst.xsd.ui.internal.graph.model.XSDModelAdapterFactory;
import org.eclipse.wst.xsd.ui.internal.util.TypesHelper;
import org.eclipse.xsd.XSDComplexTypeDefinition;
import org.eclipse.xsd.XSDElementDeclaration;
import org.eclipse.xsd.XSDParticle;
import org.eclipse.xsd.XSDSchema;
import org.eclipse.xsd.XSDSimpleTypeDefinition;
import org.eclipse.xsd.XSDTypeDefinition;
public class ElementDeclarationEditPart extends ExpandableGraphNodeEditPart
{
public Label label;
protected Label contentIconLabel;
protected Label typeValueLabel;
protected SimpleDirectEditPolicy simpleDirectEditPolicy = new SimpleDirectEditPolicy();
protected boolean isContentIconLabelSelected = false;
protected final static String ELEMENT_TYPE_PLACE_HOLDER = "ELEMENT_TYPE_PLACE_HOLDER";
public XSDParticle getXSDParticle()
{
Object o = getXSDElementDeclaration().getContainer();
return (o instanceof XSDParticle) ? (XSDParticle)o : null;
}
public XSDElementDeclaration getXSDElementDeclaration()
{
return (XSDElementDeclaration)getModel();
}
protected boolean isDefaultExpanded()
{
// hack to expand up to its content. The previous test didn't appear to work
int depth = 0;
for (EditPart part = this; part != null; part = part.getParent())
{
depth++;
}
return depth <= 3;
}
protected GraphNodeFigure createGraphNodeFigure()
{
ExpandableGraphNodeFigure figure = new ExpandableGraphNodeFigure();
figure.getOutlinedArea().setFill(true);
figure.getOutlinedArea().setLayoutManager(new FillLayout());
label = new Label();
figure.getIconArea().add(label);
label.setFont(mediumBoldFont);
SpacingFigure spacingFigure = new SpacingFigure();
figure.getIconArea().add(spacingFigure);
contentIconLabel = new Label();
//contentIcon.setBorder(new MarginBorder(2, 2, 2, 10));
figure.getIconArea().add(contentIconLabel);
// A sneaky null check.... getViewer() does a getRoot(), but getRoot() might be null
// same with getParent()
if (getParent() != null && getRoot() != null && getViewer() instanceof XSDSubstitutionGroupsViewer)
{
figure.getOuterContentArea().getContainerLayout().setSpacing(5);
}
else
{
RectangleFigure line = new RectangleFigure();
line.setPreferredSize(20, 1);
figure.getOutlinedArea().add(line, 1);
figure.getInnerContentArea().setLayoutManager(new FillLayout(2));
figure.getInnerContentArea().setBorder(new MarginBorder(2,2,2,1));
ContainerFigure labelGroup = new ContainerFigure();
Label typeLabel = new Label("type");
labelGroup.add(typeLabel);
labelGroup.setBorder(new MarginBorder(0, 4, 0, 4));
Label equalsLabel = new Label(" = ");
labelGroup.add(equalsLabel);
typeValueLabel = new Label();
labelGroup.add(typeValueLabel);
figure.getOutlinedArea().add(labelGroup, 2);
}
return figure;
}
protected ExpandableGraphNodeFigure getExpandableGraphNodeFigure()
{
return (ExpandableGraphNodeFigure)graphNodeFigure;
}
protected List getModelChildren()
{
return getExpandableGraphNodeFigure().isExpanded() ? getModelChildrenHelper() : Collections.EMPTY_LIST;
}
protected List getModelChildrenHelper()
{
if (getViewer() instanceof XSDSubstitutionGroupsViewer)
{
return XSDSubstitutionGroupChildUtility.getModelChildren(getXSDElementDeclaration().getResolvedElementDeclaration());
}
else
{
return XSDChildUtility.getModelChildren(getXSDElementDeclaration().getResolvedElementDeclaration());
}
}
protected void refreshContentIcon()
{
String iconName = null;
XSDTypeDefinition td = getXSDElementDeclaration().getResolvedElementDeclaration().getTypeDefinition();
if (td instanceof XSDSimpleTypeDefinition)
{
// TODO... we should probably show the overlay form of this icon in the case that its a
// restriction, list or union
iconName = "icons/XSDSimpleType.gif";
}
else if (td instanceof XSDComplexTypeDefinition)
{
XSDComplexTypeDefinition complexTypeDefinition = (XSDComplexTypeDefinition)td;
if (complexTypeDefinition.getAttributeUses().size() > 0)
{
iconName = "icons/XSDAttribute.gif";
}
}
Image image = iconName != null ? XSDEditorPlugin.getXSDImage(iconName) : null;
contentIconLabel.setIcon(image);
}
protected void refreshVisuals()
{
String text = getXSDElementDeclaration().isElementDeclarationReference() ?
getXSDElementDeclaration().getResolvedElementDeclaration().getQName(getXSDElementDeclaration().getSchema()) :
getXSDElementDeclaration().getName();
label.setText(text);
ContainerFigure rectangle = graphNodeFigure.getOutlinedArea();
if (XSDGraphUtil.isEditable(getXSDElementDeclaration()))
{
rectangle.setBorder(new LineBorder(isSelected ? ColorConstants.black : elementBorderColor, 2));
rectangle.setBackgroundColor(elementBackgroundColor);
rectangle.setForegroundColor(elementBorderColor);
graphNodeFigure.getInnerContentArea().setForegroundColor(ColorConstants.black);
if (XSDGraphUtil.isEditable(getXSDElementDeclaration().getResolvedElementDeclaration()))
{
// give label 'editable' colour
graphNodeFigure.getInnerContentArea().setForegroundColor(elementLabelColor);
}
else
{
// give label 'read only' colour
graphNodeFigure.getInnerContentArea().setForegroundColor(elementBorderColor);
}
label.setBackgroundColor(elementBackgroundColor);
label.setForegroundColor(elementLabelColor);
}
else
{
rectangle.setBorder(new LineBorder(isSelected ? ColorConstants.black : readOnlyBorderColor, 2));
rectangle.setBackgroundColor(readOnlyBackgroundColor);
rectangle.setForegroundColor(readOnlyBorderColor);
graphNodeFigure.getInnerContentArea().setForegroundColor(readOnlyBorderColor);
label.setBackgroundColor(readOnlyBackgroundColor);
}
if (getXSDElementDeclaration().isElementDeclarationReference())
{
label.setIcon(XSDEditorPlugin.getXSDImage("icons/GraphViewElementRef.gif"));
label.setBorder(new MarginBorder(0, 0, 0, 4));
}
else
{
label.setIcon(null);
label.setBorder(new MarginBorder(0, 6, 0, 4));
}
if (getXSDParticle() != null)
{
refreshOccurenceLabel(getXSDParticle().getMinOccurs(), getXSDParticle().getMaxOccurs());
}
if (typeValueLabel != null)
{
XSDElementDeclaration ed = getXSDElementDeclaration();
if (ed.getElement() != null)
{
String type = ed.getElement().getAttribute("type");
if (type == null)
{
type = "";
}
if (!getXSDElementDeclaration().isElementDeclarationReference())
{
typeValueLabel.setText(type.equals("") ? "<anonymous>" : type);
}
else // if it is a ref, we show the resolved type
{
String resolvedType = "";
if (ed.getResolvedElementDeclaration() != null)
{
if (ed.getResolvedElementDeclaration().getTypeDefinition() != null)
{
resolvedType = ed.getResolvedElementDeclaration().getTypeDefinition().getQName(ed.getSchema());
// if null, it has an anonymous type that has no resolved type
if (resolvedType == null)
{
resolvedType = "<anonymous>";
}
}
}
typeValueLabel.setText(resolvedType);
}
}
}
refreshContentIcon();
}
public void performRequest(Request request)
{
if (request.getType() == RequestConstants.REQ_DIRECT_EDIT ||
request.getType() == RequestConstants.REQ_OPEN)
{
if (XSDGraphUtil.isEditable(getXSDElementDeclaration()))
{
if (request instanceof LocationRequest)
{
LocationRequest locationRequest = (LocationRequest)request;
Point p = locationRequest.getLocation();
isContentIconLabelSelected = false;
if (hitTest(label, p))
{
performDirectEditForLabel();
}
else if (hitTest(typeValueLabel, p))
{
performDirectEditForTypeValueLabel();
}
}
}
}
}
private void performDirectEditForTypeValueLabel()
{
if (!getXSDElementDeclaration().isElementDeclarationReference())
{
TypeReferenceDirectEditManager manager = new TypeReferenceDirectEditManager(this, getXSDElementDeclaration(), typeValueLabel);
simpleDirectEditPolicy.setDelegate(manager);
manager.show();
}
// just ignore type edit for element ref's
}
private void performDirectEditForLabel()
{
if (getXSDElementDeclaration().isElementDeclarationReference())
{
ComboBoxCellEditorManager manager = new ComboBoxCellEditorManager(this, label)
{
protected List computeComboContent()
{
XSDSchema schema = getXSDElementDeclaration().getSchema();
List globalElementNameList = new ArrayList();
if (schema != null)
{
TypesHelper typesHelper = new TypesHelper(schema);
globalElementNameList = typesHelper.getGlobalElements();
}
return globalElementNameList;
}
public void performModify(String value)
{
getXSDElementDeclaration().getElement().setAttribute("ref", value);
}
};
simpleDirectEditPolicy.setDelegate(manager);
manager.show();
}
else
{
ComponentNameDirectEditManager manager = new ComponentNameDirectEditManager(this, label, getXSDElementDeclaration());
simpleDirectEditPolicy.setDelegate(manager);
manager.show();
}
}
protected void createEditPolicies()
{
super.createEditPolicies();
installEditPolicy(EditPolicy.DIRECT_EDIT_ROLE, simpleDirectEditPolicy);
}
public void activate()
{
super.activate();
if (getXSDParticle() != null)
{
XSDModelAdapterFactory.addModelAdapterListener(getXSDParticle(), this);
}
}
/**
* Apart from the deactivation done in super, the source
* and target connections are deactivated, and the visual
* part of the this is removed.
*
* @see #activate()
*/
public void deactivate()
{
if (getXSDParticle() != null)
{
XSDModelAdapterFactory.removeModelAdapterListener(getXSDParticle(), this);
}
super.deactivate();
}
public boolean isContentIconLabelSelected()
{
return isContentIconLabelSelected;
}
}