com.qualogy.qafe.gwt.client.vo.handlers.FocusHandler.java Source code

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Here is the source code for com.qualogy.qafe.gwt.client.vo.handlers.FocusHandler.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.vo.handlers;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Queue;

import com.google.gwt.user.client.ui.DeckPanel;
import com.google.gwt.user.client.ui.Focusable;
import com.google.gwt.user.client.ui.TabPanel;
import com.google.gwt.user.client.ui.UIObject;
import com.google.gwt.user.client.ui.Widget;
import com.qualogy.qafe.gwt.client.component.HasDataGridMethods;
import com.qualogy.qafe.gwt.client.util.ComponentRepository;
import com.qualogy.qafe.gwt.client.vo.functions.BuiltInFunctionGVO;
import com.qualogy.qafe.gwt.client.vo.functions.FocusGVO;

public class FocusHandler extends AbstractBuiltInHandler {

    protected BuiltInState executeBuiltIn(UIObject sender, String listenerType, Map<String, String> mouseInfo,
            BuiltInFunctionGVO builtInGVO, String appId, String windowId, String eventSessionId,
            Queue derivedBuiltIns) {
        FocusGVO focusGVO = (FocusGVO) builtInGVO;
        focus(focusGVO, sender, appId, windowId, eventSessionId);
        return BuiltInState.EXECUTED;
    }

    private void focus(FocusGVO focusGVO, UIObject sender, String appId, String windowId, String eventSessionId) {
        String componentId = focusGVO.getComponentId();
        List<UIObject> uiObjects = getUIObjects(componentId, appId, windowId, eventSessionId);
        if (uiObjects == null) {
            return;
        }
        for (UIObject uiObject : uiObjects) {
            if (uiObject instanceof Widget) {
                makeParentVisible((Widget) uiObject);
            }
            if (uiObject instanceof Focusable) {
                ((Focusable) uiObject).setFocus(true);
            }
        }
    }

    private List<UIObject> getUIObjects(String componentId, String appId, String windowId, String eventSessionId) {
        String key = generateId(componentId, windowId, appId, eventSessionId);
        List<UIObject> uiObjects = ComponentRepository.getInstance().getComponent(key);
        if (uiObjects == null) {
            List<UIObject> parentUIObjects = getParentUIObjects(key);
            if (parentUIObjects != null) {
                uiObjects = new ArrayList<UIObject>();
                for (UIObject parentUIObject : parentUIObjects) {
                    if (parentUIObject instanceof HasDataGridMethods) {
                        HasDataGridMethods hasDataGridMethods = (HasDataGridMethods) parentUIObject;
                        int rowIndex = getRowIndex(key, hasDataGridMethods);
                        uiObjects = collectCellUIObjects(key, rowIndex, uiObjects);
                    }
                }
            }
        }
        if (uiObjects == null) {
            uiObjects = ComponentRepository.getInstance().getNamedComponent(key);
        }
        return uiObjects;
    }

    private void makeParentVisible(Widget widget) {
        if (widget == null) {
            return;
        }
        Widget parent = widget.getParent();
        if (parent == null) {
            return;
        }
        makeParentVisible(parent);
        if (parent instanceof DeckPanel) {
            DeckPanel deckPanel = (DeckPanel) parent;
            int widgetIndex = deckPanel.getWidgetIndex(widget);
            deckPanel.showWidget(widgetIndex);
            TabPanel tabPanel = (TabPanel) deckPanel.getParent().getParent();
            tabPanel.selectTab(widgetIndex);
        }
    }
}