com.foc.vaadin.gui.components.FVGearWrapper.java Source code

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Here is the source code for com.foc.vaadin.gui.components.FVGearWrapper.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.components;

import java.net.MalformedURLException;
import java.net.URL;

import com.foc.focVaadinTheme.FocVaadinTheme;

import com.foc.Globals;
import com.foc.vaadin.FocCentralPanel;
import com.foc.vaadin.FocWebApplication;
import com.foc.vaadin.gui.FocXMLGuiComponent;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Component;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.PopupView;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.themes.BaseTheme;

@SuppressWarnings("serial")
public abstract class FVGearWrapper<C extends FocXMLGuiComponent> extends HorizontalLayout {

    public abstract void fillMenu(VerticalLayout root);

    private C component = null;
    private PopupView popup = null;

    public FVGearWrapper() {
        //setSpacing(true);
    }

    public FVGearWrapper(C component) {
        this();
        setComponent(component);
    }

    public void dispose() {
        dispose_Component();
        popup = null;
    }

    public void dispose_Component() {
        if (this.component != null) {
            this.component.dispose();
            this.component = null;
        }
    }

    @Override
    public void setEnabled(boolean enabled) {
        super.setEnabled(enabled);
        if (popup != null) {
            popup.setEnabled(enabled);
        }
    }

    public FocCentralPanel getWindow() {
        return findAncestor(FocCentralPanel.class);
    }

    public void setComponent(C component) {
        setComponent(component, true);
    }

    public void setComponent(C component, boolean addPopup) {
        dispose_Component();
        this.component = component;
        addComponentAsFirst((Component) component);

        if (addPopup && isEnabled()) {
            // In this sample we update the minimized view value with the content of
            // the TextField inside the popup.
            popup = new PopupView(new PopupTextField());
            popup.addStyleName("gear");
            //       popup.addStyleName("v-popupview-gear");
            //       popup.setStyleName("v-popupview-gear");
            popup.setDescription("More...");
            popup.setHideOnMouseOut(true);
            addComponent(popup);
            setComponentAlignment(popup, Alignment.BOTTOM_LEFT);
        }
    }

    @Override
    public void setWidth(String width) {
        if (component != null) {
            ((Component) component).setWidth(width);
        }
    }

    @Override
    public void setHeight(String height) {
        if (component != null) {
            ((Component) component).setHeight(height);
        }
    }

    public C getComponent() {
        return component;
    }

    //Create a dynamically updating content for the popup
    public class PopupTextField implements PopupView.Content {
        private VerticalLayout root = new VerticalLayout();

        public PopupTextField() {
            root.setSizeUndefined();
            root.setSpacing(true);
            root.setMargin(false);
            fillMenu(root);
        }

        public Component getPopupComponent() {
            return root;
        }

        @Override
        public String getMinimizedValueAsHTML() {
            String html = "";

            UI app = FocWebApplication.getInstanceForThread();
            if (app != null) {
                URL url = null;
                try {
                    url = app.getPage().getLocation().toURL();
                } catch (MalformedURLException e) {
                    Globals.logException(e);
                }
                String path = url != null ? url.getProtocol() + "://" + url.getAuthority() + url.getPath() : null;

                if (path != null) {

                    //               int slashAfterHostPort = path.indexOf('/', 9);
                    //               int slashAfterPath     = slashAfterHostPort > 0 ? path.indexOf('/', slashAfterHostPort+1) : -1;
                    //               if(slashAfterPath > 0){
                    //                  String newUrl = url.toString().substring(0, slashAfterPath);
                    html = "<img src=\"" + path + "VAADIN/themes/" + FocVaadinTheme.THEME_NAME
                            + "/icons/16x16/preferences-icon.png\" width=\"16\" height=\"16\"></img>";
                    //               }
                }
            }

            return html;
        }
    }

    public class PopupLinkButton extends FVButton {

        public PopupLinkButton(String string, ClickListener clickListener) {
            super(string, clickListener);
            setStyleName(BaseTheme.BUTTON_LINK);
        }

    }
}