org.kie.jbpm.designer.client.DesignerView.java Source code

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Here is the source code for org.kie.jbpm.designer.client.DesignerView.java

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/*
 * Copyright 2012 JBoss Inc
 *
 * 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.kie.jbpm.designer.client;

import javax.annotation.PostConstruct;

import com.google.gwt.dom.client.DivElement;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.RequiresResize;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

public class DesignerView extends Composite implements DesignerPresenter.View, RequiresResize {

    private DesignerPresenter presenter;

    //[manstis] The HTML elementID of the Oryx container - this needs to be unique to support multiple
    // instances. This value however is also serialized in the BPMN2 definition as the "resourceId".
    private final String panelId = "Definition";

    private VerticalPanel vp = new VerticalPanel();

    private String jsonModel = "";

    @PostConstruct
    public void init() {
        initWidget(vp);

        //Bootstrap controls (hack for now to ensure start-up scripts are loaded and ran)
        final HorizontalPanel buttonsContainer = new HorizontalPanel();
        final Button bootstrapButton = new Button("Bootstrap");
        bootstrapButton.addClickHandler(new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                bootstrap();
            }
        });
        buttonsContainer.add(bootstrapButton);

        final Button loadProcessButton = new Button("Load process");
        loadProcessButton.addClickHandler(new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                loadProcess(panelId, jsonModel);
            }
        });
        buttonsContainer.add(loadProcessButton);

        final Button newProcessButton = new Button("New process");
        newProcessButton.addClickHandler(new ClickHandler() {
            @Override
            public void onClick(ClickEvent event) {
                newProcess(panelId);
            }
        });
        buttonsContainer.add(newProcessButton);

        vp.add(buttonsContainer);

        //Otyx container
        final HTML html = new HTML();
        final DivElement designerDiv = DivElement.as(DOM.createDiv());
        designerDiv.setId(panelId);
        html.getElement().insertFirst(designerDiv);
        vp.add(html);
    }

    @Override
    public void init(final DesignerPresenter presenter) {
        this.presenter = presenter;
    }

    @Override
    public void setJsonModel(final String jsonModel) {
        this.jsonModel = jsonModel;
    }

    private native void bootstrap() /*-{
                                    $wnd.bootstrap();
                                    }-*/;

    private native void loadProcess(final String panelId, final String jsonModel) /*-{
                                                                                  $wnd.Kickstart.load();
                                                                                  $wnd.loadProcess(panelId, jsonModel);
                                                                                  }-*/;

    private native void newProcess(final String panelId) /*-{
                                                         $wnd.Kickstart.load();
                                                         $wnd.newProcess(panelId);
                                                         }-*/;

    @Override
    public void onResize() {
        final Widget w = getParent();
        final int width = w.getOffsetWidth();
        vp.setWidth(width + "px");
    }
}