org.uberfire.client.workbench.panels.impl.SimpleWorkbenchPanelView.java Source code

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Here is the source code for org.uberfire.client.workbench.panels.impl.SimpleWorkbenchPanelView.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.uberfire.client.workbench.panels.impl;

import javax.annotation.PostConstruct;
import javax.enterprise.context.Dependent;
import javax.inject.Inject;
import javax.inject.Named;

import com.google.gwt.dom.client.Style;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.user.client.ui.IsWidget;
import com.google.gwt.user.client.ui.Widget;
import org.uberfire.client.workbench.part.WorkbenchPartPresenter;
import org.uberfire.client.workbench.widgets.listbar.ListBarWidget;
import org.uberfire.client.workbench.widgets.panel.ContextPanel;
import org.uberfire.client.workbench.widgets.panel.RequiresResizeFlowPanel;
import org.uberfire.mvp.Command;
import org.uberfire.workbench.model.PartDefinition;

/**
 * A Workbench panel that can contain WorkbenchParts.
 */
@Dependent
@Named("SimpleWorkbenchPanelView")
public class SimpleWorkbenchPanelView extends BaseWorkbenchPanelView<SimpleWorkbenchPanelPresenter> {

    @Inject
    protected ListBarWidget listBar;

    protected RequiresResizeFlowPanel container = new RequiresResizeFlowPanel();
    protected ContextPanel contextWidget = new ContextPanel();

    @PostConstruct
    void setupDragAndDrop() {
        setupListBarDragAndDrop();

        container.add(contextWidget);
        container.add(listBar);
        initWidget(container);
    }

    private void setupListBarDragAndDrop() {
        listBar.setDndManager(dndManager);
        listBar.setup(false, false);

        //When a tab is selected ensure content is resized and set focus
        listBar.addSelectionHandler(new SelectionHandler<PartDefinition>() {
            @Override
            public void onSelection(SelectionEvent<PartDefinition> event) {
                presenter.onPartLostFocus();
                presenter.onPartFocus(event.getSelectedItem());
            }
        });

        listBar.addOnFocusHandler(new Command() {
            @Override
            public void execute() {
                panelManager.onPanelFocus(presenter.getDefinition());
            }
        });
        setListBarOverFlow();
    }

    void setListBarOverFlow() {
        listBar.asWidget().getElement().getStyle().setOverflow(Style.Overflow.HIDDEN);
    }

    public void enableDnd() {
        listBar.enableDnd();
    }

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

    @Override
    public SimpleWorkbenchPanelPresenter getPresenter() {
        return this.presenter;
    }

    @Override
    public void addPart(final WorkbenchPartPresenter.View view) {
        listBar.addPart(view);
    }

    @Override
    public void changeTitle(final PartDefinition part, final String title, final IsWidget titleDecoration) {
        listBar.changeTitle(part, title, titleDecoration);
    }

    @Override
    public void selectPart(final PartDefinition part) {
        listBar.selectPart(part);
    }

    @Override
    public void removePart(final PartDefinition part) {
        listBar.clear();
    }

    @Override
    public void setFocus(boolean hasFocus) {
        listBar.setFocus(hasFocus);
    }

    @Override
    public void onResize() {
        final Widget parent = getParent();
        if (parent != null) {
            final int width = parent.getOffsetWidth();
            final int height = parent.getOffsetHeight();
            if (width == 0 && height == 0) {
                resizeParent(parent);
                return;
            }

            setPixelSize(width, height);
            presenter.onResize(width, height);

            listBar.onResize();

            resizeSuper();
        }
    }

    void resizeSuper() {
        super.onResize();
    }
}