org.eclipse.xtext.graphview.behavior.visibility.RevealRequest.java Source code

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Here is the source code for org.eclipse.xtext.graphview.behavior.visibility.RevealRequest.java

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/*******************************************************************************
 * Copyright (c) 2012 itemis AG (http://www.itemis.eu) 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
 *******************************************************************************/
package org.eclipse.xtext.graphview.behavior.visibility;

import java.util.List;
import java.util.Set;

import org.eclipse.gef.EditPart;
import org.eclipse.gef.Request;
import org.eclipse.xtext.graphview.editpart.IInstanceModelEditPart;
import org.eclipse.xtext.graphview.instancemodel.AbstractInstance;

import com.google.common.collect.Iterables;
import com.google.common.collect.Sets;

public class RevealRequest extends Request {

    private final List<AbstractInstance> toBeRevealed;

    private RevealedEditPartMap revealedEditPartMap;

    private double mouseAngle;

    private double mouseDistance;

    public RevealRequest(List<AbstractInstance> toBeRevealed) {
        this.toBeRevealed = toBeRevealed;
    }

    @Override
    public Object getType() {
        return "Show connected";
    }

    public List<AbstractInstance> getToBeRevealed() {
        return toBeRevealed;
    }

    public double getMouseDistance() {
        return mouseDistance;
    }

    public void setMouseDistance(double mouseDistance) {
        this.mouseDistance = mouseDistance;
    }

    public double getMouseAngle() {
        return mouseAngle;
    }

    public void setMouseAngle(double mouseAngle) {
        this.mouseAngle = mouseAngle;
    }

    public RevealedEditPartMap getRevealedEditPartMap() {
        return revealedEditPartMap;
    }

    public void setRevealedEditPartMap(RevealedEditPartMap revealedEditPartMap) {
        this.revealedEditPartMap = revealedEditPartMap;
    }

    private Set<IInstanceModelEditPart> selection = Sets.newHashSet();

    public Set<IInstanceModelEditPart> getSelection() {
        return selection;
    }

    public boolean addToSelection(EditPart selectedEditPart) {
        if (!(selectedEditPart instanceof IInstanceModelEditPart))
            return false;
        else if (Iterables.contains(revealedEditPartMap.getLayoutables(), selectedEditPart))
            return selection.add((IInstanceModelEditPart) selectedEditPart);
        else
            return addToSelection(selectedEditPart.getParent());
    }

    public boolean removeFromSelection(IInstanceModelEditPart selectedEditPart) {
        if (!(selectedEditPart instanceof IInstanceModelEditPart))
            return false;
        else if (Iterables.contains(revealedEditPartMap.getLayoutables(), selectedEditPart))
            return selection.remove((IInstanceModelEditPart) selectedEditPart);
        else
            return addToSelection(selectedEditPart.getParent());
    }

    public boolean isSelected(IInstanceModelEditPart editPart) {
        return selection.contains(editPart);
    }

    public void selectAll() {
        for (IInstanceModelEditPart selected : revealedEditPartMap.getLayoutables())
            selection.add(selected);
    }
}