root / web_client / src / gr / grnet / pithos / web / client / commands / ViewImageCommand.java @ 58777026
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/*
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* Copyright 2011 GRNET S.A. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* 1. Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* The views and conclusions contained in the software and
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* documentation are those of the authors and should not be
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* interpreted as representing official policies, either expressed
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* or implied, of GRNET S.A.
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*/
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package gr.grnet.pithos.web.client.commands; |
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import gr.grnet.pithos.web.client.FileMenu; |
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import com.google.gwt.event.dom.client.ClickEvent; |
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import com.google.gwt.event.dom.client.ClickHandler; |
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import com.google.gwt.event.dom.client.ErrorEvent; |
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import com.google.gwt.event.dom.client.ErrorHandler; |
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import com.google.gwt.event.dom.client.LoadEvent; |
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import com.google.gwt.event.dom.client.LoadHandler; |
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import com.google.gwt.user.client.Command; |
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import com.google.gwt.user.client.ui.DialogBox; |
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import com.google.gwt.user.client.ui.Image; |
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import com.google.gwt.user.client.ui.Label; |
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import com.google.gwt.user.client.ui.PopupPanel; |
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import com.google.gwt.user.client.ui.VerticalPanel; |
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public class ViewImageCommand implements Command { |
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final FileMenu.Images newImages;
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private PopupPanel containerPanel;
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private String imageDownloadURL; |
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private Label errorLabel = new Label(); |
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/**
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* @param _containerPanel
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* @param _newImages the images of all the possible delete dialogs
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*/
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public ViewImageCommand(PopupPanel _containerPanel, final FileMenu.Images _newImages, String _imageDownloadURL) { |
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containerPanel = _containerPanel; |
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newImages = _newImages; |
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imageDownloadURL = _imageDownloadURL; |
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} |
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@Override
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public void execute() { |
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containerPanel.hide(); |
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final Image image = new Image(); |
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// Hook up a load handler, so that we can be informed if the image
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// fails to load.
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image.addLoadHandler(new LoadHandler() {
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@Override
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public void onLoad(LoadEvent event) { |
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errorLabel.setText("");
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} |
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}); |
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image.addErrorHandler(new ErrorHandler() {
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@Override
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public void onError(ErrorEvent event) { |
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errorLabel.setText("An error occurred while loading.");
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} |
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}); |
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image.setUrl(imageDownloadURL); |
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final DialogBox imagePopup = new DialogBox(true, true); |
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imagePopup.setAnimationEnabled(true);
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imagePopup.setText("Showing image in actual size");
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VerticalPanel imageViewPanel = new VerticalPanel();
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errorLabel.setText("loading image...");
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imageViewPanel.add(errorLabel); |
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imageViewPanel.add(image); |
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imagePopup.setWidget(imageViewPanel); |
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image.setTitle("Click to close");
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image.addClickHandler(new ClickHandler() {
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@Override
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public void onClick(ClickEvent event) { |
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imagePopup.hide(); |
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} |
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}); |
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imagePopup.setPopupPosition(0, 0); |
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imagePopup.show(); |
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} |
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} |