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Delete object and move child objects to parent
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145 changes: 145 additions & 0 deletions
145
...himatetool.editor/src/com/archimatetool/editor/diagram/actions/DeleteContainerAction.java
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/** | ||
* This program and the accompanying materials | ||
* are made available under the terms of the License | ||
* which accompanies this distribution in the file LICENSE.txt | ||
*/ | ||
package com.archimatetool.editor.diagram.actions; | ||
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import java.util.ArrayList; | ||
import java.util.HashSet; | ||
import java.util.Set; | ||
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import org.eclipse.emf.ecore.EObject; | ||
import org.eclipse.gef.EditPart; | ||
import org.eclipse.gef.commands.Command; | ||
import org.eclipse.gef.commands.CompoundCommand; | ||
import org.eclipse.gef.ui.actions.SelectionAction; | ||
import org.eclipse.ui.IWorkbenchPart; | ||
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import com.archimatetool.editor.diagram.commands.DiagramCommandFactory; | ||
import com.archimatetool.editor.model.commands.AddListMemberCommand; | ||
import com.archimatetool.editor.model.commands.NonNotifyingCompoundCommand; | ||
import com.archimatetool.editor.model.commands.RemoveListMemberCommand; | ||
import com.archimatetool.model.IArchimateFactory; | ||
import com.archimatetool.model.IBounds; | ||
import com.archimatetool.model.IDiagramModel; | ||
import com.archimatetool.model.IDiagramModelContainer; | ||
import com.archimatetool.model.IDiagramModelObject; | ||
import com.archimatetool.model.ILockable; | ||
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/** | ||
* Delete Container object and move children to parent | ||
* | ||
* @author Phillip Beauvoir | ||
*/ | ||
public class DeleteContainerAction extends SelectionAction { | ||
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public static final String ID = "com.archimatetool.editor.action.deleteContainer"; //$NON-NLS-1$ | ||
public static final String TEXT = "Delete from View keeping children"; | ||
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public DeleteContainerAction(IWorkbenchPart part) { | ||
super(part); | ||
setText(TEXT); | ||
setId(ID); | ||
setActionDefinitionId(ID); // register key binding | ||
} | ||
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@Override | ||
protected boolean calculateEnabled() { | ||
for(Object object : getSelectedObjects()) { | ||
if(isValidObject(object)) { | ||
return true; | ||
} | ||
} | ||
return false; | ||
} | ||
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@Override | ||
public void run() { | ||
CompoundCommand compoundCommand = new NonNotifyingCompoundCommand(TEXT); | ||
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for(IDiagramModelObject dmo : getValidObjects()) { | ||
IDiagramModelContainer parent = (IDiagramModelContainer)dmo.eContainer(); | ||
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// Iterate thru child objects to move them to new parent | ||
for(IDiagramModelObject child : ((IDiagramModelContainer)dmo).getChildren()) { | ||
// Remove child from parent | ||
compoundCommand.add(new RemoveListMemberCommand<>(((IDiagramModelContainer)dmo).getChildren(), child)); | ||
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// Add child to new parent | ||
compoundCommand.add(new AddListMemberCommand<>(parent.getChildren(), child)); | ||
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// Adjust x,y position to new parent | ||
compoundCommand.add(new ChangePositionCommand(child, dmo.getBounds())); | ||
} | ||
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// Delete target container object | ||
compoundCommand.add(DiagramCommandFactory.createDeleteDiagramObjectNoChildrenCommand(dmo)); | ||
} | ||
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execute(compoundCommand); | ||
} | ||
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private boolean isValidObject(Object object) { | ||
return object instanceof EditPart editPart && // Is an EditPart | ||
editPart.getModel() instanceof IDiagramModelObject dmo && // Diagram Model Object | ||
dmo instanceof IDiagramModelContainer container && // And a container | ||
dmo.eContainer() instanceof IDiagramModelContainer && // And parent is a container | ||
!(dmo instanceof ILockable lockable && lockable.isLocked()) && // And not locked | ||
!container.getChildren().isEmpty(); // And has child objects | ||
} | ||
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private Set<IDiagramModelObject> getValidObjects() { | ||
Set<IDiagramModelObject> list = new HashSet<>(); | ||
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for(Object object : getSelectedObjects()) { | ||
if(isValidObject(object)) { | ||
list.add((IDiagramModelObject)((EditPart)object).getModel()); | ||
} | ||
} | ||
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// Remove child objects that have an ancestor that will be deleted | ||
for(IDiagramModelObject dmo : new ArrayList<>(list)) { | ||
EObject parent = dmo.eContainer(); | ||
while(parent != null && !(parent instanceof IDiagramModel)) { | ||
if(list.contains(parent)) { | ||
list.remove(dmo); | ||
} | ||
parent = parent.eContainer(); | ||
} | ||
} | ||
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return list; | ||
} | ||
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private static class ChangePositionCommand extends Command { | ||
private IDiagramModelObject dmo; | ||
private IBounds oldBounds, newBounds; | ||
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public ChangePositionCommand(IDiagramModelObject dmo, IBounds parentBounds) { | ||
this.dmo = dmo; | ||
this.oldBounds = dmo.getBounds(); | ||
newBounds = IArchimateFactory.eINSTANCE.createBounds(oldBounds.getX() + parentBounds.getX(), | ||
oldBounds.getY() + parentBounds.getY(), oldBounds.getWidth(), oldBounds.getHeight()); | ||
} | ||
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@Override | ||
public void execute() { | ||
dmo.setBounds(newBounds); | ||
} | ||
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@Override | ||
public void undo() { | ||
dmo.setBounds(oldBounds); | ||
} | ||
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@Override | ||
public void dispose() { | ||
dmo = null; | ||
oldBounds = null; | ||
newBounds = null; | ||
} | ||
} | ||
} |
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