com.qualogy.qafe.gwt.client.component.ShowPanelComponent.java Source code

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Here is the source code for com.qualogy.qafe.gwt.client.component.ShowPanelComponent.java

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/**
 * Copyright 2008-2015 Qualogy Solutions B.V.
 *
 * 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 com.qualogy.qafe.gwt.client.component;

import java.util.List;

import com.google.gwt.event.logical.shared.ResizeEvent;
import com.google.gwt.event.logical.shared.ResizeHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.PopupPanel;
import com.google.gwt.user.client.ui.UIObject;
import com.google.gwt.user.client.ui.Widget;
import com.qualogy.qafe.gwt.client.context.ClientApplicationContext;
import com.qualogy.qafe.gwt.client.ui.renderer.RendererHelper;
import com.qualogy.qafe.gwt.client.util.ComponentRepository;
import com.qualogy.qafe.gwt.client.util.QAMLUtil;
import com.qualogy.qafe.gwt.client.vo.functions.execute.SetMaskHelper;

public class ShowPanelComponent extends PopupPanel implements ResizeHandler {

    private String id;
    private String window;
    private String windowIdentifier;
    private HandlerRegistration resizeRegistration;

    public ShowPanelComponent(boolean autoHide, boolean modal, int left, int top) {
        super(autoHide, modal);
        setPopupPosition(left, top);
    }

    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
        DOM.setElementAttribute(this.getElement(), "id", id);
    }

    @Override
    public void setWidth(String width) {
        DOM.setStyleAttribute(getElement(), "width", QAMLUtil.unitPX(width));
    }

    @Override
    public void setHeight(String height) {
        DOM.setStyleAttribute(getElement(), "height", QAMLUtil.unitPX(height));
    }

    @Override
    public void show() {
        super.show();
        DOM.setStyleAttribute(getElement(), "overflow", "auto");
    }

    @Override
    public void center() {
        super.center();
        if (resizeRegistration == null) {
            resizeRegistration = Window.addResizeHandler(this);
        }
    }

    @Override
    public void onDetach() {
        if (resizeRegistration != null) {
            resizeRegistration.removeHandler();
        }

        // This is to clear all existing components from repository. showPanel.hide() will implicitly call this method.
        List<UIObject> uiObjects = ComponentRepository.getInstance().getComponent(this.getId());
        if (uiObjects != null) {
            UIObject uiObject = uiObjects.iterator().next();
            if (uiObject instanceof ShowPanelComponent) {
                ShowPanelComponent showPanel = (ShowPanelComponent) uiObject;
                Widget innerComponent = showPanel.getWidget();
                if (innerComponent != null) {
                    ComponentRepository.getInstance().clearContainerComponent(innerComponent);
                }
            }
        }

        ComponentRepository.getInstance().remove(this.getId());

        removeMaskForActivePanel();
        super.onDetach();
    }

    private void removeMaskForActivePanel() {
        ClientApplicationContext.getInstance().removePanelDefinitionsOpened(getWindow(), this.getId());
        List<String> panelDefsOpened = ClientApplicationContext.getInstance()
                .getPanelDefinitionsOpened(getWindow());
        if (panelDefsOpened != null && panelDefsOpened.size() > 0) {
            // Remove the mask on the panel on top.
            String lastPanelDefOpened = panelDefsOpened.get(panelDefsOpened.size() - 1);
            SetMaskHelper.setMask(lastPanelDefOpened, RendererHelper.QAFE_GLASS_PANEL_STYLE, false);
        } else if (panelDefsOpened != null && panelDefsOpened.size() == 0) {
            //This means there is no panel definitions opened using show-panel in this window. Then remove the mask on the window.
            SetMaskHelper.setMask(getWindowIdentifier(), RendererHelper.QAFE_GLASS_PANEL_STYLE, false);
        }
    }

    public void setWindow(String windowId) {
        this.window = windowId;
    }

    public String getWindow() {
        return window;
    }

    public String getWindowIdentifier() {
        return windowIdentifier;
    }

    public void setWindowIdentifier(String windowIdentifier) {
        this.windowIdentifier = windowIdentifier;
    }

    public void onResize(ResizeEvent event) {
        if (isAttached()) {
            center();
        }
    }

}