com.qualogy.qafe.gwt.client.ui.renderer.cell.QButtonCell.java Source code

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Here is the source code for com.qualogy.qafe.gwt.client.ui.renderer.cell.QButtonCell.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.ui.renderer.cell;

import java.util.List;

import com.google.gwt.cell.client.AbstractSafeHtmlCell;
import com.google.gwt.cell.client.ValueUpdater;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.NativeEvent;
import com.google.gwt.safehtml.shared.SafeHtml;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.text.shared.SafeHtmlRenderer;
import com.google.gwt.text.shared.SimpleSafeHtmlRenderer;
import com.qualogy.qafe.gwt.client.ui.renderer.events.CallbackHandler;
import com.qualogy.qafe.gwt.client.vo.ui.ButtonGVO;
import com.qualogy.qafe.gwt.client.vo.ui.DataGridColumnGVO;
import com.qualogy.qafe.gwt.client.vo.ui.event.EventListenerGVO;
import com.qualogy.qafe.gwt.client.vo.ui.event.InputVariableGVO;

/**
 * A {@link Cell} used to render text. Clicking on the cell causes its
 * {@link ValueUpdater} to be called.
 */
public class QButtonCell extends AbstractSafeHtmlCell<String> {

    /**
     * Construct a new ClickableTextCell that will use a
     * {@link SimpleSafeHtmlRenderer}.
     */
    String context;
    String window;
    String component;
    String id;
    String uuid;
    String parent;
    String tooltip;
    DataGridColumnGVO column;
    ButtonGVO bc;

    public QButtonCell() {
        this(SimpleSafeHtmlRenderer.getInstance());
    }

    public QButtonCell(String uuid, String context, String window, String component, String id, String parent,
            String tooltip, final DataGridColumnGVO column, ButtonGVO bc) {
        this();
        this.uuid = uuid;
        this.context = context;
        this.window = window;
        this.component = component;
        this.id = id;
        this.parent = parent;
        this.tooltip = tooltip;
        this.column = column;
        this.bc = bc;
    }

    /**
     * Construct a new ClickableTextCell that will use a given
     * {@link SafeHtmlRenderer}.
     * 
     * @param renderer a {@link SafeHtmlRenderer SafeHtmlRenderer<String>} instance
     */
    public QButtonCell(SafeHtmlRenderer<String> renderer) {
        super(renderer, "click", "keydown");
    }

    @Override
    public void onBrowserEvent(Context context, Element parent, String value, NativeEvent event,
            ValueUpdater<String> valueUpdater) {
        super.onBrowserEvent(context, parent, value, event, valueUpdater);
        if ("click".equals(event.getType())) {
            onEnterKeyDown(context, parent, value, event, valueUpdater);
            if (column.getEvents() != null) {
                int size = column.getEvents().length;
                for (int i = 0; i < size; i++) {
                    //CallbackHandler.createCallBack(uuid,this.context,window,component, id, this.parent,column.getEvents()[i].getEventListenerType(), column.getEvents()[i], column.getEvents()[i].getInputvariablesList());
                }
            }
        }
    }

    @Override
    protected void onEnterKeyDown(Context context, Element parent, String value, NativeEvent event,
            ValueUpdater<String> valueUpdater) {
        if (valueUpdater != null) {
            valueUpdater.update(value);
        }
    }

    @Override
    protected void render(Context context, SafeHtml value, SafeHtmlBuilder sb) {
        sb.appendHtmlConstant("<button type=\"button\"  w style=\"width:" + column.getWidth() + ";height:"
                + column.getHeight() + ";\" tabindex=\"-1\" " + addToolTip(tooltip) + " >");
        if (column.getStaticField() != null && column.getStaticField().booleanValue()) {
            sb.appendHtmlConstant(bc.getLabel());
        } else {
            if (value != null) {

                sb.append(value);
            }
        }
        sb.appendHtmlConstant("</button>");

    }

    private String addToolTip(String tooltip) {
        if (tooltip != null) {
            return "title=\"" + tooltip + "\"";
        } else {
            return "";
        }
    }
}