/*
* 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.editprovider.client;
import org.opencms.gwt.client.A_CmsEntryPoint;
import org.opencms.gwt.client.CmsCoreProvider;
import org.opencms.gwt.client.rpc.CmsRpcAction;
import org.opencms.gwt.client.ui.CmsPushButton;
import org.opencms.gwt.client.ui.CmsToolbar;
import org.opencms.gwt.client.ui.CmsToolbarContextButton;
import org.opencms.gwt.client.ui.I_CmsButton.ButtonStyle;
import org.opencms.gwt.client.ui.I_CmsButton.Size;
import org.opencms.gwt.client.ui.I_CmsToolbarButton;
import org.opencms.gwt.client.ui.css.I_CmsImageBundle;
import org.opencms.gwt.client.ui.css.I_CmsLayoutBundle;
import org.opencms.gwt.client.ui.css.I_CmsToolbarButtonLayoutBundle;
import org.opencms.gwt.client.util.CmsDomUtil;
import org.opencms.gwt.client.util.CmsPositionBean;
import org.opencms.gwt.client.util.CmsStyleVariable;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.gwt.core.client.Scheduler;
import com.google.gwt.core.client.Scheduler.ScheduledCommand;
import com.google.gwt.dom.client.Element;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.logical.shared.ResizeEvent;
import com.google.gwt.event.logical.shared.ResizeHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.ui.RootPanel;
/**
* The entry point class for the org.opencms.ade.editprovider.EditProvider module.<p>
*
* @since 8.0.0
*/
public class CmsDirectEditEntryPoint extends A_CmsEntryPoint {
/** The class name for data elements which precede the direct editable elements. */
public static final String CLASS_NAME = "cms-editable";
/** The map of button bar positions. */
protected Map<String, CmsPositionBean> m_buttonPositions = new HashMap<String, CmsPositionBean>();
/** The map of editable element positions. */
protected Map<String, CmsPositionBean> m_positions = new HashMap<String, CmsPositionBean>();
/** The toolbar. */
protected CmsToolbar m_toolbar;
/** A style variable to control toolbar visibility. */
protected CmsStyleVariable m_toolbarVisibility;
/** The dierect edit buttons. */
private Map<String, CmsDirectEditButtons> m_directEditButtons = Maps.newHashMap();
/** The selection button.<p>*/
private CmsToolbarSelectionButton m_selection;
/**
* Initializes the direct edit buttons.<p>
*/
public void initializeButtons() {
List<Element> editableElements = CmsDomUtil.getElementsByClass(CLASS_NAME);
List<CmsDirectEditButtons> editables = Lists.newArrayList();
for (Element elem : editableElements) {
CmsPositionBean pos = CmsDomUtil.getEditablePosition(elem);
m_positions.put(elem.getId(), pos);
}
CmsEditablePositionCalculator posCalc = new CmsEditablePositionCalculator(m_positions);
m_buttonPositions = posCalc.calculatePositions();
for (Element elem : editableElements) {
CmsDirectEditButtons directEdit = processEditableElement(elem);
m_directEditButtons.put(elem.getId(), directEdit);
editables.add(directEdit);
}
Window.addResizeHandler(new ResizeHandler() {
public void onResize(ResizeEvent event) {
repositionButtons();
}
});
}
/**
* @see com.google.gwt.core.client.EntryPoint#onModuleLoad()
*/
@Override
public void onModuleLoad() {
if (!checkBuildId("org.opencms.ade.editprovider")) {
return;
}
org.opencms.gwt.client.ui.css.I_CmsLayoutBundle.INSTANCE.directEditCss().ensureInjected();
RootPanel.get().addStyleName(I_CmsToolbarButtonLayoutBundle.INSTANCE.toolbarButtonCss().toolbarSelection());
RootPanel.get().addStyleName(
org.opencms.gwt.client.ui.css.I_CmsLayoutBundle.INSTANCE.directEditCss().classicDirectEdit());
installToolbar();
Scheduler.get().scheduleDeferred(new ScheduledCommand() {
public void execute() {
initializeButtons();
}
});
}
/**
* Writes the tool-bar visibility into the session cache.<p>
*
* @param visible <code>true</code> if the tool-bar is visible
*/
public void saveToolbarVisibility(final boolean visible) {
CmsRpcAction<Void> action = new CmsRpcAction<Void>() {
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#execute()
*/
@Override
public void execute() {
CmsCoreProvider.getService().setToolbarVisible(visible, this);
}
/**
* @see org.opencms.gwt.client.rpc.CmsRpcAction#onResponse(java.lang.Object)
*/
@Override
protected void onResponse(Void result) {
//nothing to do
}
};
action.execute();
}
/**
* Adds the toolbar to the browser window.<p>
*/
protected void installToolbar() {
ClickHandler clickHandler = new ClickHandler() {
/**
* @see com.google.gwt.event.dom.client.ClickHandler#onClick(com.google.gwt.event.dom.client.ClickEvent)
*/
public void onClick(ClickEvent event) {
I_CmsToolbarButton source = (I_CmsToolbarButton)event.getSource();
source.onToolbarClick();
}
};
m_toolbar = new CmsToolbar();
RootPanel root = RootPanel.get();
m_toolbarVisibility = new CmsStyleVariable(root);
root.add(m_toolbar);
CmsPushButton toggleToolbarButton = new CmsPushButton();
boolean initiallyVisible = CmsCoreProvider.get().isToolbarVisible();
toggleToolbarButton.setButtonStyle(ButtonStyle.TEXT, null);
toggleToolbarButton.setSize(Size.small);
toggleToolbarButton.setImageClass(I_CmsImageBundle.INSTANCE.style().opencmsSymbol());
toggleToolbarButton.removeStyleName(org.opencms.gwt.client.ui.css.I_CmsLayoutBundle.INSTANCE.generalCss().buttonCornerAll());
toggleToolbarButton.addStyleName(org.opencms.gwt.client.ui.css.I_CmsLayoutBundle.INSTANCE.generalCss().cornerAll());
root.add(toggleToolbarButton);
toggleToolbarButton.addClickHandler(new ClickHandler() {
/**
* @see com.google.gwt.event.dom.client.ClickHandler#onClick(com.google.gwt.event.dom.client.ClickEvent)
*/
public void onClick(ClickEvent event) {
toggleToolbar();
}
});
if (initiallyVisible) {
m_toolbarVisibility.setValue(I_CmsLayoutBundle.INSTANCE.toolbarCss().simpleToolbarShow());
} else {
m_toolbarVisibility.setValue(I_CmsLayoutBundle.INSTANCE.toolbarCss().toolbarHide());
}
toggleToolbarButton.addStyleName(org.opencms.gwt.client.ui.css.I_CmsLayoutBundle.INSTANCE.toolbarCss().toolbarToggle());
CmsDirectEditToolbarHandler handler = new CmsDirectEditToolbarHandler();
CmsToolbarPublishButton publish = new CmsToolbarPublishButton(handler);
publish.addClickHandler(clickHandler);
m_toolbar.addLeft(publish);
CmsToolbarSelectionButton selection = new CmsToolbarSelectionButton(handler);
selection.setActive(initiallyVisible);
selection.addClickHandler(clickHandler);
m_toolbar.addLeft(selection);
m_selection = selection;
CmsToolbarContextButton context = new CmsToolbarContextButton(handler);
context.addClickHandler(clickHandler);
m_toolbar.addRight(context);
handler.setContextMenuButton(context);
}
/**
* Checks if the toolbar is visible.<p>
*
* @return true if the toolbar is visible
*/
protected boolean isToolbarVisible() {
return m_toolbarVisibility.getValue().equals(
org.opencms.gwt.client.ui.css.I_CmsLayoutBundle.INSTANCE.toolbarCss().simpleToolbarShow());
}
/**
* Adds the direct edit buttons for a single editable element.<p>
*
* @param elem the data container element
*
* @return the direct edit buttons widget which was created for the element
*/
protected CmsDirectEditButtons processEditableElement(Element elem) {
RootPanel root = RootPanel.get();
CmsDirectEditButtons result = new CmsDirectEditButtons(elem, null);
root.add(result);
result.setPosition(
m_positions.get(elem.getId()),
m_buttonPositions.get(elem.getId()),
(com.google.gwt.user.client.Element)elem.getParentElement());
return result;
}
/**
* Repositions the direct edit buttons.<p>
*/
protected void repositionButtons() {
for (Map.Entry<String, CmsDirectEditButtons> entry : m_directEditButtons.entrySet()) {
CmsDirectEditButtons buttons = entry.getValue();
Element tag = buttons.getMarkerTag();
CmsPositionBean newPos = CmsDomUtil.getEditablePosition(tag);
m_positions.put(tag.getId(), newPos);
}
CmsEditablePositionCalculator posCalc = new CmsEditablePositionCalculator(m_positions);
m_buttonPositions = posCalc.calculatePositions();
for (CmsDirectEditButtons buttons : m_directEditButtons.values()) {
String id = buttons.getMarkerTag().getId();
buttons.setPosition(
m_positions.get(id),
m_buttonPositions.get(id),
(com.google.gwt.user.client.Element)buttons.getMarkerTag().getParentElement());
}
}
/**
* Toggles the visibility of the toolbar.<p>
*/
protected void toggleToolbar() {
if (isToolbarVisible()) {
CmsToolbar.showToolbar(
m_toolbar,
false,
m_toolbarVisibility,
I_CmsLayoutBundle.INSTANCE.toolbarCss().simpleToolbarShow());
saveToolbarVisibility(false);
} else {
CmsToolbar.showToolbar(
m_toolbar,
true,
m_toolbarVisibility,
I_CmsLayoutBundle.INSTANCE.toolbarCss().simpleToolbarShow());
saveToolbarVisibility(true);
m_selection.setActive(true);
}
}
}