com.akanoo.client.views.HeaderView.java Source code

Introduction

Here is the source code for com.akanoo.client.views.HeaderView.java

Source

/* Copyright 2012 Fabian Gebert and Michael Gorski.
 *
 * 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.akanoo.client.views;

import com.akanoo.client.messages.Languages;
import com.akanoo.client.presenters.HeaderPresenter;
import com.akanoo.client.presenters.HeaderUiHandlers;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.resources.client.ClientBundle;
import com.google.gwt.resources.client.CssResource;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.inject.Inject;
import com.gwtplatform.mvp.client.ViewWithUiHandlers;

public class HeaderView extends ViewWithUiHandlers<HeaderUiHandlers> implements HeaderPresenter.MyView {

    /**
     * Resources that match the GWT standard style theme.
     */
    public interface Resources extends ClientBundle {

        @Source("logo-small-alpha.png")
        ImageResource logoSmall();

        @Source("add.png")
        ImageResource addIcon();

        /**
         * The styles used in this widget.
         */
        @Source({ "Buttons.css", Style.DEFAULT_CSS })
        Style headerStyle();
    }

    public interface Style extends CssResource {
        /**
         * The path to the default CSS styles used by this resource.
         */
        String DEFAULT_CSS = "com/akanoo/client/views/HeaderView.css";

        String button();

        String active();

        String header();

        String logo();

        String indicator();

        String indicatorOnline();

        String createCanvasLink();

        String canvasLinkPanel();

        String headerShareButton();
    }

    @UiField
    Resources resources;

    @UiField
    Widget onlineIndicator;

    @UiField
    Widget shareButton;

    @UiField
    HorizontalPanel canvasLinkPanel;

    @UiField()
    Widget createCanvasLink;

    private final Widget widget;

    @UiField(provided = true)
    Languages messages;

    public interface Binder extends UiBinder<Widget, HeaderView> {
    }

    @Inject
    public HeaderView(final Binder binder, Resources resources, Languages messages) {
        this.resources = resources;
        resources.headerStyle().ensureInjected();
        this.messages = messages;

        widget = binder.createAndBindUi(this);
    }

    @Override
    public Widget asWidget() {
        return widget;
    }

    @Override
    public void setOnlineIndicator(boolean b) {
        onlineIndicator.setStyleName(resources.headerStyle().indicatorOnline(), b);
    }

    @Override
    public void alertOffline() {

    }

    @Override
    public void setInSlot(Object slot, Widget content) {
        if (slot == HeaderPresenter.TAB_SLOT) {
            canvasLinkPanel.clear();
            canvasLinkPanel.add(createCanvasLink);
        }
    }

    public void addToSlot(Object slot, Widget content) {
        if (slot == HeaderPresenter.TAB_SLOT) {
            int linkIndex = canvasLinkPanel.getWidgetIndex(createCanvasLink);
            canvasLinkPanel.insert(content, linkIndex);
        }
    }

    @UiHandler("createCanvasLink")
    void onCreateCanvasLink(ClickEvent event) {
        event.preventDefault();
        getUiHandlers().onCreateCanvasClicked();
    }

    @UiHandler("shareButton")
    void onShareClicked(ClickEvent event) {
        getUiHandlers().onShareClicked();
    }

    @Override
    public void alertCanvasDeleted() {
        Window.alert(messages.canvasNoLongerAvailableMessage());
    }

    @Override
    public void setShareButtonVisibility(boolean b) {
        shareButton.setVisible(b);
    }
}