/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* For further information about Alkacon Software, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.ade.galleries.client.preview;
import org.opencms.ade.galleries.client.preview.ui.CmsImagePreviewDialog;
import org.opencms.ade.galleries.client.ui.CmsGalleryDialog;
import org.opencms.ade.galleries.client.ui.css.I_CmsLayoutBundle;
import org.opencms.ade.galleries.shared.CmsImageInfoBean;
import org.opencms.ade.galleries.shared.I_CmsImagePreviewProvider;
import org.opencms.gwt.client.CmsCoreProvider;
import org.opencms.gwt.client.rpc.CmsRpcAction;
import java.util.HashMap;
import java.util.Map;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.ui.FlowPanel;
/**
* The image resource preview.<p>
*
* @since 8.0.0
*/
public final class CmsImageResourcePreview extends A_CmsResourcePreview<CmsImageInfoBean> {
/** The image preview handler. */
private CmsImagePreviewHandler m_handler;
/** The preview dialog widget. */
private CmsImagePreviewDialog m_previewDialog;
/**
* Constructor.<p>
*
* @param galleryDialog the gallery dialog
*/
public CmsImageResourcePreview(CmsGalleryDialog galleryDialog) {
super(galleryDialog);
}
/**
* @see org.opencms.ade.galleries.client.preview.A_CmsResourcePreview#getHandler()
*/
@Override
public I_CmsPreviewHandler<CmsImageInfoBean> getHandler() {
if (m_handler == null) {
throw new UnsupportedOperationException("Preview handler not initialized");
}
return m_handler;
}
/**
* @see org.opencms.ade.galleries.client.preview.I_CmsResourcePreview#getPreviewDialog()
*/
public CmsImagePreviewDialog getPreviewDialog() {
return m_previewDialog;
}
/**
* @see org.opencms.ade.galleries.client.preview.I_CmsResourcePreview#getPreviewName()
*/
public String getPreviewName() {
return I_CmsImagePreviewProvider.PREVIEW_NAME;
}
/**
* @see org.opencms.ade.galleries.client.preview.I_CmsResourcePreview#loadResourceInfo(java.lang.String)
*/
public void loadResourceInfo(final String resourcePath) {
CmsRpcAction<CmsImageInfoBean> action = new CmsRpcAction<CmsImageInfoBean>() {
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#execute()
*/
@Override
public void execute() {
A_CmsResourcePreview.getService().getImageInfo(resourcePath, getLocale(), this);
}
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#onResponse(java.lang.Object)
*/
@Override
protected void onResponse(CmsImageInfoBean result) {
result.setSelectedPath(resourcePath);
showData(result);
}
};
action.execute();
}
/**
* @see org.opencms.ade.galleries.client.preview.I_CmsResourcePreview#openPreview(String)
*/
public void openPreview(String resourcePath) {
if (m_previewDialog != null) {
m_previewDialog.removeFromParent();
}
FlowPanel parentPanel = getGalleryDialog().getParentPanel();
m_previewDialog = new CmsImagePreviewDialog(
getGalleryDialog().getController().getDialogMode(),
parentPanel.getOffsetHeight(),
parentPanel.getOffsetWidth());
// initialize the controller and controller handler
m_handler = new CmsImagePreviewHandler(this);
m_previewDialog.init(m_handler);
CmsPreviewUtil.exportFunctions(getPreviewName(), this);
parentPanel.add(m_previewDialog);
parentPanel.removeStyleName(I_CmsLayoutBundle.INSTANCE.previewDialogCss().hidePreview());
//load preview data
loadResourceInfo(resourcePath);
}
/**
* @see org.opencms.ade.galleries.client.preview.A_CmsResourcePreview#removePreview()
*/
@Override
public void removePreview() {
super.removePreview();
m_handler = null;
}
/**
* @see org.opencms.ade.galleries.client.preview.I_CmsResourcePreview#saveProperties(java.util.Map, com.google.gwt.user.client.Command)
*/
public void saveProperties(final Map<String, String> properties, final Command afterSaveCallback) {
CmsRpcAction<CmsImageInfoBean> action = new CmsRpcAction<CmsImageInfoBean>() {
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#execute()
*/
@Override
public void execute() {
getService().updateImageProperties(getResourcePath(), getLocale(), properties, this);
}
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#onResponse(java.lang.Object)
*/
@Override
protected void onResponse(CmsImageInfoBean result) {
showData(result);
if (afterSaveCallback != null) {
afterSaveCallback.execute();
}
}
};
action.execute();
}
/**
* @see org.opencms.ade.galleries.client.preview.A_CmsResourcePreview#selectResource(java.lang.String, java.lang.String)
*/
@Override
public void selectResource(String resourcePath, String title) {
CmsCroppingParamBean param;
switch (getGalleryMode()) {
case widget:
param = getInitialCroppingParameter(resourcePath);
if (CmsPreviewUtil.isAdvancedWidget()) {
CmsPreviewUtil.setVfsImage(
resourcePath,
param.getScaleParam(),
param.getFormatName(),
param.getRatio() + "");
} else {
CmsPreviewUtil.setResourcePath(resourcePath
+ ((param.isCropped() || param.isScaled()) ? "?" + param.toString() : ""));
}
break;
case editor:
Map<String, String> attributes = new HashMap<String, String>();
attributes.put("title", title);
param = getInitialCroppingParameter(resourcePath);
attributes.put("width", String.valueOf(param.getResultingWidth()));
attributes.put("height", String.valueOf(param.getResultingHeight()));
CmsPreviewUtil.setImage(CmsCoreProvider.get().link(resourcePath), attributes);
CmsPreviewUtil.closeDialog();
break;
case ade:
case view:
default:
//nothing to do here, should not be called
break;
}
}
/**
* @see org.opencms.ade.galleries.client.preview.A_CmsResourcePreview#setResource()
*/
@Override
public void setResource() {
if (m_handler == null) {
throw new UnsupportedOperationException("Preview handler not initialized");
}
CmsCroppingParamBean croppingParam = m_handler.getCroppingParam();
switch (getGalleryMode()) {
case widget:
if (CmsPreviewUtil.isAdvancedWidget()) {
CmsPreviewUtil.setVfsImage(
m_infoBean.getResourcePath(),
croppingParam.getScaleParam(),
croppingParam.getFormatName(),
croppingParam.getRatio() + "");
} else {
CmsPreviewUtil.setResourcePath(m_infoBean.getResourcePath()
+ ((croppingParam.isCropped() || croppingParam.isScaled())
? "?" + croppingParam.toString()
: ""));
}
break;
case editor:
Map<String, String> attributes = m_handler.getImageAttributes();
CmsPreviewUtil.setImage(
CmsCoreProvider.get().link(
m_infoBean.getResourcePath()
+ ((croppingParam.isCropped() || croppingParam.isScaled())
? "?" + croppingParam.toString()
: "")),
attributes);
break;
case ade:
case view:
default:
//nothing to do here, should not be called
break;
}
}
/**
* Returns the image info bean for the given resource.<p>
*
* @param resourcePath the resource path
*
* @return the image info bean
*/
private CmsImageInfoBean getImageInfo(final String resourcePath) {
CmsRpcAction<CmsImageInfoBean> action = new CmsRpcAction<CmsImageInfoBean>() {
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#execute()
*/
@Override
public void execute() {
A_CmsResourcePreview.getService().syncGetImageInfo(resourcePath, getLocale(), this);
start(0, true);
}
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#onResponse(java.lang.Object)
*/
@Override
protected void onResponse(CmsImageInfoBean result) {
stop(false);
}
};
return action.executeSync();
}
/**
* Returns the initial cropping parameter bean for a given resource.<p>
*
* @param resourcePath the resource path
*
* @return the cropping parameter bean
*/
private CmsCroppingParamBean getInitialCroppingParameter(String resourcePath) {
CmsImageInfoBean imageInfo = getImageInfo(resourcePath);
CmsImageFormatHandler formatHandler = new CmsImageFormatHandler(
getGalleryMode(),
resourcePath,
imageInfo.getHeight(),
imageInfo.getWidth());
CmsCroppingParamBean param = formatHandler.getCroppingParam();
if (formatHandler.isUseFormats()) {
formatHandler.getFormats().values().iterator().next().adjustCroppingParam(param);
}
return param;
}
}