geogebra.web.gui.view.algebra.GroupNameLabel.java Source code

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Here is the source code for geogebra.web.gui.view.algebra.GroupNameLabel.java

Source

/* 
GeoGebra - Dynamic Mathematics for Everyone
http://www.geogebra.org
    
This file is part of GeoGebra.
    
This program is free software; you can redistribute it and/or modify it 
under the terms of the GNU General Public License as published by 
the Free Software Foundation.
    
 */

package geogebra.web.gui.view.algebra;

import geogebra.common.kernel.geos.GeoElement;
import geogebra.common.main.SelectionManager;

import java.util.ArrayList;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.MouseOutEvent;
import com.google.gwt.event.dom.client.MouseOutHandler;
import com.google.gwt.event.dom.client.MouseOverEvent;
import com.google.gwt.event.dom.client.MouseOverHandler;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.TreeItem;

/**
 * InlineLabelTreeItem for the openable tree nodes of the algebra view
 *
 * File created by Arpad Fekete
 */

public class GroupNameLabel extends Label implements ClickHandler, MouseOverHandler, MouseOutHandler {

    TreeItem par;
    SelectionManager selection;

    public GroupNameLabel(SelectionManager selection, TreeItem parent, String strlab) {
        super(strlab);
        this.selection = selection;
        par = parent;
        addClickHandler(this);
        addMouseOverHandler(this);
        addMouseOutHandler(this);
        this.setStyleName("elemHeadingName");
    }

    public void onClick(ClickEvent evt) {
        Object uo;
        ArrayList<GeoElement> groupedGeos = new ArrayList<GeoElement>();
        for (int i = 0; i < par.getChildCount(); i++) {
            //par.getChild(i).setSelected(true);
            uo = par.getChild(i).getUserObject();
            if (uo instanceof GeoElement)
                groupedGeos.add((GeoElement) uo);
        }
        par.setSelected(false);

        //if (!AppD.isControlDown(e) && !e.isShiftDown())
        if (!evt.isControlKeyDown() && !evt.isShiftKeyDown())
            selection.clearSelectedGeos();

        selection.addSelectedGeos(groupedGeos, true);
    }

    public void onMouseOver(MouseOverEvent evt) {
        for (int i = 0; i < par.getChildCount(); i++)
            if (par.getChild(i).getUserObject() instanceof GeoElement)
                //((GeoElement)par.getChild(i).getUserObject()).setHighlighted(true);
                par.getChild(i).getWidget().addStyleName("gwt-TreeItem-selected");
    }

    public void onMouseOut(MouseOutEvent evt) {
        for (int i = 0; i < par.getChildCount(); i++)
            if (par.getChild(i).getUserObject() instanceof GeoElement)
                //((GeoElement)par.getChild(i).getUserObject()).setHighlighted(false);
                par.getChild(i).getWidget().removeStyleName("gwt-TreeItem-selected");
    }
}