org.iplantc.de.pipelineBuilder.client.ui.MenuButton.java Source code

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Here is the source code for org.iplantc.de.pipelineBuilder.client.ui.MenuButton.java

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/* * Copyright 2012 Oregon State University.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 * 
 */
package org.iplantc.de.pipelineBuilder.client.ui;

import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.MouseDownEvent;
import com.google.gwt.event.dom.client.MouseDownHandler;
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.event.dom.client.MouseUpEvent;
import com.google.gwt.event.dom.client.MouseUpHandler;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.ui.HasVerticalAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

import java.util.Vector;

public class MenuButton extends VerticalPanel
        implements MouseDownHandler, MouseUpHandler, ClickHandler, MouseOverHandler, MouseOutHandler {
    private ClickHandler handler;
    protected VerticalPanel menu;
    protected HorizontalPanel temp;
    private Label title;

    public MenuButton(String name) {
        temp = new HorizontalPanel();
        temp.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);

        temp.addStyleName("eta-button");
        title = new Label(name);
        title.setWordWrap(false);
        Label arrow = new Label();
        arrow.setStyleName("gbma");
        temp.add(title);
        temp.add(arrow);
        add(temp);
        setWidth("1px");
        addDomHandler(this, MouseDownEvent.getType());
        addDomHandler(this, MouseUpEvent.getType());
        addDomHandler(this, ClickEvent.getType());
        addDomHandler(this, MouseOutEvent.getType());
        addDomHandler(this, MouseOverEvent.getType());
        menu = new VerticalPanel();
        menu.setVerticalAlignment(HasVerticalAlignment.ALIGN_MIDDLE);
        addStyleName("eta-button-menu");
        add(menu);
        menu.setStyleName("sub-menu");
        menu.setVisible(false);

    }

    public Vector<Widget> getMenuItems() {
        Vector<Widget> ret = new Vector<Widget>();
        for (int i = 0; i < menu.getWidgetCount(); i++)
            ret.add(menu.getWidget(i));
        return ret;
    }

    public void setRight(int pixles) {
        menu.getElement().getStyle().setRight(pixles, Unit.PX);
    }

    public MenuButton() {
        addDomHandler(this, MouseDownEvent.getType());
        addDomHandler(this, MouseUpEvent.getType());
        addDomHandler(this, ClickEvent.getType());
        addDomHandler(this, MouseOutEvent.getType());
        addDomHandler(this, MouseOverEvent.getType());
    }

    public void setTitle(String title) {
        this.title.setText(title);
    }

    public void clearMenu() {
        menu.clear();
        menu.setVisible(false);
    }

    protected boolean lock = false;

    public void forceVisible() {
        lock = true;
    }

    public void forceHide() {
        menu.setVisible(false);
        lock = false;
    }

    public void addButton(int before, Button butt) {
        butt.setStyleDependentName("-menu2", true);
        butt.setWidth("100%");
        menu.insert(butt, before);
        butt.setParent(this);
    }

    @Override
    public void clear() {
        menu.clear();
    }

    public void addButton(Button butt) {
        butt.setStyleDependentName("-menu2", true);
        butt.setWidth("100%");
        menu.add(butt);
        butt.setParent(this);
    }

    public void onMouseUp(MouseUpEvent event) {
        // removeStyleName("button-down");
        // addStyleName("eta-button");
    }

    public void onMouseDown(MouseDownEvent event) {
        // addStyleName("button-down");
        // removeStyleName("eta-button");
    }

    public void onClick(ClickEvent event) {
        // removeStyleName("button-down");
        // addStyleName("eta-button");
        event.stopPropagation();
        if (!lock) {
            menu.setVisible(false);
            temp.addStyleName("eta-button");
            temp.removeStyleName("button-hover2");
        }
    }

    Timer t = new Timer() {

        @Override
        public void run() {
            menu.setVisible(false);
            temp.addStyleName("eta-button");
            temp.removeStyleName("button-hover2");
        }
    };

    public void onMouseOut(MouseOutEvent event) {
        if (!lock) {
            t.schedule(2);
        }
    }

    public void setClickHandler(ClickHandler handler) {
        title.addDomHandler(this.handler, ClickEvent.getType());
        this.handler = handler;
    }

    public void onMouseOver(MouseOverEvent event) {
        t.cancel();
        menu.setVisible(true);
        lock = false;
        temp.addStyleName("button-hover2");
        temp.removeStyleName("eta-button");
    }

}