diff options
Diffstat (limited to 'bundles/org.eclipse.wst.xsd.ui/src-adt/org/eclipse/wst/xsd/ui/internal/adt/design/DesignViewGraphicalViewer.java')
| -rw-r--r-- | bundles/org.eclipse.wst.xsd.ui/src-adt/org/eclipse/wst/xsd/ui/internal/adt/design/DesignViewGraphicalViewer.java | 424 |
1 files changed, 0 insertions, 424 deletions
diff --git a/bundles/org.eclipse.wst.xsd.ui/src-adt/org/eclipse/wst/xsd/ui/internal/adt/design/DesignViewGraphicalViewer.java b/bundles/org.eclipse.wst.xsd.ui/src-adt/org/eclipse/wst/xsd/ui/internal/adt/design/DesignViewGraphicalViewer.java deleted file mode 100644 index 399f8f50a7..0000000000 --- a/bundles/org.eclipse.wst.xsd.ui/src-adt/org/eclipse/wst/xsd/ui/internal/adt/design/DesignViewGraphicalViewer.java +++ /dev/null @@ -1,424 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2001, 2008 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.adt.design; - -import java.util.ArrayList; -import java.util.Iterator; -import java.util.List; -import org.eclipse.gef.EditPart; -import org.eclipse.gef.ui.parts.ScrollingGraphicalViewer; -import org.eclipse.jface.viewers.ISelection; -import org.eclipse.jface.viewers.ISelectionChangedListener; -import org.eclipse.jface.viewers.ISelectionProvider; -import org.eclipse.jface.viewers.IStructuredSelection; -import org.eclipse.jface.viewers.SelectionChangedEvent; -import org.eclipse.jface.viewers.StructuredSelection; -import org.eclipse.ui.IEditorPart; -import org.eclipse.ui.PlatformUI; -import org.eclipse.wst.xsd.ui.internal.adt.design.editparts.IHolderEditPart; -import org.eclipse.wst.xsd.ui.internal.adt.design.editparts.RootContentEditPart; -import org.eclipse.wst.xsd.ui.internal.adt.design.editparts.StructureEditPart; -import org.eclipse.wst.xsd.ui.internal.adt.design.editparts.model.IGraphElement; -import org.eclipse.wst.xsd.ui.internal.adt.design.editparts.model.IModelProxy; -import org.eclipse.wst.xsd.ui.internal.adt.editor.CommonSelectionManager; -import org.eclipse.wst.xsd.ui.internal.adt.facade.IADTObject; -import org.eclipse.wst.xsd.ui.internal.adt.facade.IField; -import org.eclipse.wst.xsd.ui.internal.adt.facade.IModel; -import org.eclipse.wst.xsd.ui.internal.adt.facade.IStructure; -import org.eclipse.wst.xsd.ui.internal.adt.outline.ADTContentOutlinePage; - -public class DesignViewGraphicalViewer extends ScrollingGraphicalViewer implements ISelectionChangedListener -{ - protected ADTSelectionChangedListener internalSelectionProvider = new ADTSelectionChangedListener(); - protected InputChangeManager inputChangeManager = new InputChangeManager(); - private IEditorPart editorPart; - - public DesignViewGraphicalViewer(IEditorPart editor, CommonSelectionManager manager) - { - super(); - this.editorPart = editor; - setContextMenu(new DesignViewContextMenuProvider(editor, this, this)); - editor.getEditorSite().registerContextMenu("org.eclipse.wst.xsd.ui.popup.graph", getContextMenu(), internalSelectionProvider, false); //$NON-NLS-1$ - - // make the internalSelectionProvider listen to graph view selection changes - addSelectionChangedListener(internalSelectionProvider); - internalSelectionProvider.addSelectionChangedListener(manager); - manager.addSelectionChangedListener(this); - - setKeyHandler(new BaseGraphicalViewerKeyHandler(this)); - } - - - // this method is called when something changes in the selection manager - // (e.g. a selection occured from another view) - public void selectionChanged(SelectionChangedEvent event) - { - Object selectedObject = ((StructuredSelection) event.getSelection()).getFirstElement(); - - // TODO (cs) It seems like there's way more selection going on than there - // should - // be!! There's at least 2 selections getting fired when something is - // selected in the - // outline view. Are we listening to too many things? - // - // if (event.getSource() instanceof ADTContentOutlinePage) - if (event.getSource() != internalSelectionProvider) - { - if (selectedObject instanceof IStructure) - { - if (((getInput() instanceof IModel) && (event.getSource() instanceof ADTContentOutlinePage)) || - (!(getInput() instanceof IModel))) - { - if ((selectedObject instanceof IGraphElement) && ((IGraphElement)selectedObject).isFocusAllowed()) - { - if (event.getSource() instanceof org.eclipse.jface.viewers.IPostSelectionProvider) - { - setInput((IStructure)selectedObject); - } - else - { - setInputAndMarkLocation((IStructure)selectedObject); - } - } - } - } - else if (selectedObject instanceof IGraphElement) - { - if (((IGraphElement)selectedObject).isFocusAllowed() && ((event.getSource() instanceof ADTContentOutlinePage))) - { - setInputAndMarkLocation((IADTObject)selectedObject); - } - else if (((IGraphElement)selectedObject).isFocusAllowed() - && (event.getSource() instanceof org.eclipse.jface.viewers.IPostSelectionProvider && !(getInput() instanceof IModel))) - { - setInput((IADTObject)selectedObject); - } - else if (!((IGraphElement)selectedObject).isFocusAllowed()) - { - // We encountered an object that is not a valid input to the graph viewer - // Now find the top container that can be a valid input - IADTObject obj = ((IGraphElement)selectedObject).getTopContainer(); - if (event.getSource() instanceof ADTContentOutlinePage) - { - // In this case, if the selection is originated from the outline, we should - // change the inputs - if (obj != null) - setInputAndMarkLocation(obj); - } - else if (event.getSource() instanceof CommonSelectionManager) - { - // In this case, if the selection is originated from some action, ie. adding - // a new element, we should change the input only if the current input is the model - // otherwise, inputs will change unexpectedly!! - if (getInput() instanceof IModel) - { - if (obj != null) - setInput (obj); - } - } - else if (event.getSource() instanceof org.eclipse.jface.viewers.IPostSelectionProvider ) - { - // In this case, if the selection is originated from the source viewer - // we should change the input regardless. Test is for multiple levels - // of anonymous types - if (obj != null) - setInput (obj); - } - else - { - if (obj != null && getInput() instanceof IModel) - setInputAndMarkLocation(obj); - } - } - if (selectedObject instanceof IField) - { - IField field = (IField)selectedObject; - if ( (!field.isGlobal() && getInput() instanceof IModel) || - (!field.isGlobal() && !(event.getSource() instanceof CommonSelectionManager))) - { - IADTObject obj = ((IGraphElement)selectedObject).getTopContainer(); - if (obj != null) - setInputAndMarkLocation(obj); - } - else if (field.isGlobal() && !(getInput() instanceof IModel)) - { - if (event.getSource() instanceof org.eclipse.jface.viewers.IPostSelectionProvider ) - setInput(field); - else - setInputAndMarkLocation(field); - } - } - } - else if (selectedObject instanceof IField) - { - IField field = (IField)selectedObject; - if ( (field.isGlobal() && (getInput() instanceof IModel) && (event.getSource() instanceof ADTContentOutlinePage)) || - ( (field.isGlobal() && !(getInput() instanceof IModel)))) - { - setInputAndMarkLocation(field); - } - } - else if (selectedObject instanceof IModelProxy) - { - IModelProxy adapter = (IModelProxy)selectedObject; - if (getInput() != adapter.getModel()) - setInput(adapter.getModel()); - } - else if (selectedObject instanceof IModel) - { - if (getInput() != selectedObject) - setInput((IModel)selectedObject); - } - - EditPart editPart = getEditPart(getRootEditPart(), selectedObject); - if (editPart != null) - setSelection(new StructuredSelection(editPart)); - } - } - - /* - * We need to convert from edit part selections to model object selections - */ - class ADTSelectionChangedListener implements ISelectionProvider, ISelectionChangedListener - { - protected List listenerList = new ArrayList(); - protected ISelection selection = new StructuredSelection(); - - public void addSelectionChangedListener(ISelectionChangedListener listener) - { - listenerList.add(listener); - } - - public void removeSelectionChangedListener(ISelectionChangedListener listener) - { - listenerList.remove(listener); - } - - public ISelection getSelection() - { - return selection; - } - - protected void notifyListeners(SelectionChangedEvent event) - { - for (Iterator i = listenerList.iterator(); i.hasNext();) - { - ISelectionChangedListener listener = (ISelectionChangedListener) i.next(); - listener.selectionChanged(event); - } - } - - public StructuredSelection convertSelectionFromEditPartToModel(ISelection editPartSelection) - { - List selectedModelObjectList = new ArrayList(); - if (editPartSelection instanceof IStructuredSelection) - { - for (Iterator i = ((IStructuredSelection) editPartSelection).iterator(); i.hasNext();) - { - Object obj = i.next(); - Object model = null; - if (obj instanceof EditPart) - { - EditPart editPart = (EditPart) obj; - model = editPart.getModel(); - } - if (model != null) - { - selectedModelObjectList.add(model); - } - } - } - return new StructuredSelection(selectedModelObjectList); - } - - public void setSelection(ISelection selection) - { - this.selection = selection; - } - - public void selectionChanged(SelectionChangedEvent event) - { - ISelection newSelection = convertSelectionFromEditPartToModel(event.getSelection()); - this.selection = newSelection; - SelectionChangedEvent newEvent = new SelectionChangedEvent(this, newSelection); - notifyListeners(newEvent); - } - } - - protected EditPart getEditPart(EditPart parent, Object object) - { - EditPart result = null; - for (Iterator i = parent.getChildren().iterator(); i.hasNext(); ) - { - EditPart editPart = (EditPart)i.next(); - if (editPart.getModel() == object && !(editPart instanceof IHolderEditPart) && !(editPart instanceof RootContentEditPart)) - { - result = editPart; - break; - } - } - - if (result == null) - { - for (Iterator i = parent.getChildren().iterator(); i.hasNext(); ) - { - EditPart editPart = getEditPart((EditPart)i.next(), object); - if (editPart != null) - { - // First check to see if there is a selection - ISelection currentSelection = getSelection(); - - // If there is a selection then we will try to select - // the target edit part that is one of its children - // This is handy when you add an element to a structured edit part - // then you want to select the element immediately and put it in - // direct edit mode - if (currentSelection != null) - { - if (currentSelection instanceof StructuredSelection) - { - EditPart targetStructureEditPart = (EditPart)((StructuredSelection)currentSelection).getFirstElement(); - if (targetStructureEditPart != null) - { - while (targetStructureEditPart != null) - { - if (targetStructureEditPart instanceof StructureEditPart) - { - break; - } - targetStructureEditPart = targetStructureEditPart.getParent(); - } - } - EditPart potentialEditPartToSelect = editPart; - - while (potentialEditPartToSelect != null) - { - if (potentialEditPartToSelect instanceof StructureEditPart) - { - break; - } - potentialEditPartToSelect = potentialEditPartToSelect.getParent(); - } - - // If we found a potential edit part to select then return it - // OR, if there is no target found, then we should just return - // the edit part we found - if (potentialEditPartToSelect == targetStructureEditPart || potentialEditPartToSelect == null || targetStructureEditPart == null) - { - result = editPart; - break; - } - } - } - else // Otherwise just find the first one and return - { - result = editPart; - break; - } - } - } - } - - return result; - } - - public void setInputAndMarkLocation(IADTObject object) - { - IADTObject oldInput = getInput(); - if (editorPart != null && oldInput != object) - { - PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getNavigationHistory().markLocation(editorPart); - } - setInput(object); - - if (editorPart != null && oldInput != object) - { - PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getNavigationHistory().markLocation(editorPart); - } - } - - public void setInput(IADTObject object) - { - RootContentEditPart rootContentEditPart = (RootContentEditPart)getRootEditPart().getContents(); - rootContentEditPart.setModel(object); - rootContentEditPart.refresh(); - - if (object != null) - { - inputChangeManager.setSelection(new StructuredSelection(object)); - } - // Select the editpart when it is set as input - EditPart editPart = getEditPart(rootContentEditPart, object); - if (editPart != null) - select(editPart); - } - - public IADTObject getInput() - { - RootContentEditPart rootContentEditPart = (RootContentEditPart)getRootEditPart().getContents(); - return (IADTObject)rootContentEditPart.getModel(); - } - - public EditPart getInputEditPart() - { - return getRootEditPart().getContents(); - } - - public void addInputChangdListener(ISelectionChangedListener listener) - { - inputChangeManager.addSelectionChangedListener(listener); - } - - public void removeInputChangdListener(ISelectionChangedListener listener) - { - inputChangeManager.removeSelectionChangedListener(listener); - } - - - private class InputChangeManager implements ISelectionProvider - { - List listeners = new ArrayList(); - - public void addSelectionChangedListener(ISelectionChangedListener listener) - { - if (!listeners.contains(listener)) - { - listeners.add(listener); - } - } - - public ISelection getSelection() - { - // no one should be calling this method - return null; - } - - public void removeSelectionChangedListener(ISelectionChangedListener listener) - { - listeners.remove(listener); - } - - public void setSelection(ISelection selection) - { - notifyListeners(selection); - } - - void notifyListeners(ISelection selection) - { - List list = new ArrayList(listeners); - for (Iterator i = list.iterator(); i.hasNext(); ) - { - ISelectionChangedListener listener = (ISelectionChangedListener)i.next(); - listener.selectionChanged(new SelectionChangedEvent(this, selection)); - } - } - } -} |