com.foc.vaadin.gui.layouts.FVMoreLayout.java Source code

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Here is the source code for com.foc.vaadin.gui.layouts.FVMoreLayout.java

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/*******************************************************************************
 * Copyright 2016 Antoine Nicolas SAMAHA
 * 
 * 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.foc.vaadin.gui.layouts;

import org.xml.sax.Attributes;

import com.foc.ConfigInfo;
import com.foc.vaadin.gui.xmlForm.FXML;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Component;
import com.vaadin.ui.themes.BaseTheme;

@SuppressWarnings("serial")
public class FVMoreLayout extends FVVerticalLayout {
    private boolean extended = false;
    private Button button = null;
    private Attributes attributes = null;

    public FVMoreLayout(Attributes attributes) {
        super(attributes);
        this.attributes = attributes;
        button = new Button("More...");
        button.setStyleName(BaseTheme.BUTTON_LINK);
        button.addStyleName("moreBackground");
        getMoreLayoutButton().addClickListener(new Button.ClickListener() {

            @Override
            public void buttonClick(ClickEvent event) {
                setExtended(!isExtended());
            }
        });
        addComponent(button);
    }

    @Override
    public void dispose() {
        button = null;
        attributes = null;
        super.dispose();
    }

    private Button getMoreLayoutButton() {
        if (button == null) {
            button = new Button("More...");
            button.setStyleName(BaseTheme.BUTTON_LINK);
            button.addStyleName("moreBackground");
        }
        return button;
    }

    @Override
    public void addComponent(Component c) {
        super.addComponent(c);
        setExtended(isExtended());
    }

    public Button getButton() {
        return button;
    }

    public boolean isExtended() {
        return extended;
    }

    public void setExtended(boolean extended) {
        this.extended = extended;
        boolean arabic = ConfigInfo.isArabic();
        String caption = arabic ? "" : "More";
        if (attributes != null && attributes.getValue(FXML.ATT_MORE_CAPTION) != null) {
            caption = attributes.getValue(FXML.ATT_MORE_CAPTION);
        }

        if (arabic) {
            getMoreLayoutButton().setCaption(extended ? "? " + caption + " >>>" : " <<<  " + caption);
        } else {
            getMoreLayoutButton().setCaption(extended ? " <<< Hide " + caption : "Show " + caption + " >>>");
        }
        for (int i = 0; i < getComponentCount(); i++) {
            Component comp = getComponent(i);
            if (comp != getButton()) {
                comp.setVisible(isExtended());
            }
        }
    }

    @Override
    public void setAttributes(Attributes attributes) {
        super.setAttributes(attributes);
        if (attributes != null && attributes.getValue(FXML.ATT_EXPAND) != null) {
            String expand = attributes.getValue(FXML.ATT_EXPAND);
            if (expand.equalsIgnoreCase("true")) {
                setExtended(true);
            }
        }
    }

    //   public void setExtended(boolean extended) {
    //      this.extended = extended;
    //      button.setCaption(extended ? " <<< Collapse" : "More >>>");
    //      for(int i=0; i<getComponentCount(); i++){
    //         Component comp = getComponent(i);
    //         if(comp != getButton()){
    //            comp.setVisible(isExtended());
    //         }
    //      }
    //   }

    @Override
    public String getXMLType() {
        return FXML.TAG_MORE_LAYOUT;
    }
}