/**
* OpenKM, Open Document Management System (http://www.openkm.com)
* Copyright (c) 2006-2011 Paco Avila & Josep Llort
*
* No bytes were intentionally harmed during the development of this application.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
package com.openkm.frontend.client.widget.properties;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import com.google.gwt.core.client.GWT;
import com.google.gwt.dom.client.Style.Unit;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.user.client.Timer;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.TabLayoutPanel;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.openkm.frontend.client.Main;
import com.openkm.frontend.client.bean.GWTFolder;
import com.openkm.frontend.client.bean.GWTMail;
import com.openkm.frontend.client.bean.GWTPermission;
import com.openkm.frontend.client.bean.GWTPropertyGroup;
import com.openkm.frontend.client.extension.event.HasMailEvent;
import com.openkm.frontend.client.extension.event.handler.MailHandlerExtension;
import com.openkm.frontend.client.extension.event.handler.PropertyGroupHandlerExtension;
import com.openkm.frontend.client.extension.event.hashandler.HasMailHandlerExtension;
import com.openkm.frontend.client.extension.event.hashandler.HasPropertyGroupHandlerExtension;
import com.openkm.frontend.client.extension.widget.tabmail.TabMailExtension;
import com.openkm.frontend.client.service.OKMPropertyGroupService;
import com.openkm.frontend.client.service.OKMPropertyGroupServiceAsync;
import com.openkm.frontend.client.util.Util;
/**
* The tab mail
*
* @author jllort
*
*/
public class TabMail extends Composite implements HasMailEvent, HasMailHandlerExtension, HasPropertyGroupHandlerExtension {
private final OKMPropertyGroupServiceAsync propertyGroupService = (OKMPropertyGroupServiceAsync) GWT.create(OKMPropertyGroupService.class);
private static final int TAB_HEIGHT = 20;
private int SECURITY_TAB = -1;
public TabLayoutPanel tabPanel;
public Mail mail;
public SecurityScrollTable security;
private VerticalPanel panel;
private List<PropertyGroup> propertyGroup;
private List<TabMailExtension> widgetExtensionList;
private List<MailHandlerExtension> mailHandlerExtensionList;
private List<PropertyGroupHandlerExtension> propertyGroupHandlerExtensionList;
private boolean visibleButton = true; // Sets visibleButtons enabled to default view
private int selectedTab = 0; // Used to determine selected tab to mantain on change document, because not all documents
// have the same numeber of tabs ( document group properties are variable )
private boolean propertiesVisible = false;
private boolean securityVisible = false;
private int height = 0;
private int width = 0;
private boolean propertyGroupsVisible = false;
/**
* The Document tab
*/
public TabMail() {
widgetExtensionList = new ArrayList<TabMailExtension>();
mailHandlerExtensionList = new ArrayList<MailHandlerExtension>();
propertyGroupHandlerExtensionList = new ArrayList<PropertyGroupHandlerExtension>();
tabPanel = new TabLayoutPanel(TAB_HEIGHT, Unit.PX);
mail = new Mail();
security = new SecurityScrollTable();
panel = new VerticalPanel();
propertyGroup = new ArrayList<PropertyGroup>();
tabPanel.addSelectionHandler(new SelectionHandler<Integer>() {
@Override
public void onSelection(SelectionEvent<Integer> event) {
int tabIndex = event.getSelectedItem().intValue();
Main.get().mainPanel.topPanel.toolBar.evaluateRemoveGroupProperty(isRemoveGroupPropertyEnabled(tabIndex));
selectedTab = tabIndex;
if (tabIndex==SECURITY_TAB) {
Timer timer = new Timer() {
@Override
public void run() {
security.fillWidth(); // Always when shows fires fill width
}
};
timer.schedule(50); // Fill width must be done after really it'll be visible
}
fireEvent(HasMailEvent.TAB_CHANGED);
}
});
panel.add(tabPanel);
tabPanel.setWidth("100%");
mail.setSize("100%", "100%");
panel.setSize("100%", "100%");
tabPanel.setStyleName("okm-DisableSelect");
initWidget(panel);
}
/**
* Sets the size
*
* @param width With of the widget
* @param height Height of the widget
*/
public void setPixelSize(int width, int height) {
this.height = height;
this.width = width;
tabPanel.setPixelSize(width, height);
mail.setPixelSize(width,height-TAB_HEIGHT); // Substract tab height
security.setPixelSize(width,height-TAB_HEIGHT); // Substract tab height
security.fillWidth();
// Setting size to extension
for (Iterator<TabMailExtension> it = widgetExtensionList.iterator(); it.hasNext();) {
it.next().setPixelSize(width,height-TAB_HEIGHT);
}
if (!propertyGroup.isEmpty()) { // Sets size to propety groups
for (Iterator<PropertyGroup> it = propertyGroup.iterator(); it.hasNext();){
PropertyGroup group = it.next();
group.setPixelSize(width,height-TAB_HEIGHT);
}
}
fireEvent(HasMailEvent.PANEL_RESIZED);
}
/**
* Sets document values
*
* @param doc The document object
*/
public void setProperties(GWTMail gWTMail) {
selectedTab = tabPanel.getSelectedIndex(); // Sets the actual selected Tab
mail.set(gWTMail);
if (securityVisible) {
security.setPath(gWTMail.getPath());
security.GetGrants();
GWTFolder parentFolder = Main.get().activeFolderTree.getFolder();
if ((parentFolder.getPermissions() & GWTPermission.SECURITY) == GWTPermission.SECURITY &&
(gWTMail.getPermissions() & GWTPermission.SECURITY) == GWTPermission.SECURITY) {
security.setChangePermision(true);
} else {
security.setChangePermision(false);
}
}
if (propertyGroupsVisible) {
Main.get().mainPanel.desktop.browser.tabMultiple.status.setGroupProperties();
}
if (!propertyGroup.isEmpty()) {
for (Iterator<PropertyGroup> it = propertyGroup.iterator(); it.hasNext();){
tabPanel.remove(it.next());
}
propertyGroup.clear();
}
// Only gets groups if really are visible
if (propertyGroupsVisible) {
getGroups(mail.get().getPath()); // Gets all the property group assigned to a document
// Here evalutates selectedTab
}
// Setting folder object to extensions
for (Iterator<TabMailExtension> it = widgetExtensionList.iterator(); it.hasNext();) {
it.next().set(gWTMail);
}
fireEvent(HasMailEvent.MAIL_CHANGED);
}
/**
* Refresh security values
*/
public void securityRefresh() {
fireEvent(HasMailEvent.SECURITY_CHANGED);
Main.get().mainPanel.desktop.browser.fileBrowser.securityRefresh();
}
/**
* getSelectedTab
*
* @return
*/
public int getSelectedTab() {
return selectedTab;
}
/**
* Language refresh
*/
public void langRefresh() {
selectedTab = tabPanel.getSelectedIndex();
while (tabPanel.getWidgetCount() > 0) {
tabPanel.remove(0);
}
if (propertiesVisible) {
tabPanel.add(mail, Main.i18n("tab.document.properties"));
mail.langRefresh();
}
if (securityVisible) {
tabPanel.add(security, Main.i18n("tab.document.security"));
security.langRefresh();
}
// Adding extensions
for (Iterator<TabMailExtension> it = widgetExtensionList.iterator(); it.hasNext();) {
TabMailExtension extension = it.next();
tabPanel.add(extension, extension.getTabText());
}
// Refresh lang property group
if (!propertyGroup.isEmpty()) {
for (Iterator<PropertyGroup> it = propertyGroup.iterator(); it.hasNext();){
PropertyGroup group = it.next();
tabPanel.add(group, group.getGrpLabel());
group.langRefresh();
}
}
tabPanel.selectTab(selectedTab);
resizingIncubatorWidgets();
}
/**
* Sets visibility to buttons ( true / false )
*
* @param visible The visible value
*/
public void setVisibleButtons(boolean visible) {
this.visibleButton = visible;
security.setVisibleButtons(visible);
fireEvent(HasMailEvent.SET_VISIBLE_BUTTONS);
}
/**
* Gets asynchronous to get all groups assigned to a document
*/
final AsyncCallback<List<GWTPropertyGroup>> callbackGetGroups = new AsyncCallback<List<GWTPropertyGroup>>() {
public void onSuccess(List<GWTPropertyGroup> result){
GWTFolder gwtFolder = Main.get().activeFolderTree.getFolder();
for (Iterator<GWTPropertyGroup> it = result.iterator(); it.hasNext();) {
GWTPropertyGroup gwtGroup = it.next();
String groupTranslation = gwtGroup.getLabel();
PropertyGroup group = new PropertyGroup(gwtGroup, mail.get(), gwtFolder, (visibleButton && !gwtGroup.isReadonly()));
tabPanel.add(group, groupTranslation);
propertyGroup.add(group);
// Adds property group handlers
for (Iterator<PropertyGroupHandlerExtension> itx = propertyGroupHandlerExtensionList.iterator(); itx.hasNext();) {
group.addPropertyGroupHandlerExtension(itx.next());
}
}
// To prevent change on document that has minor tabs than previous the new selected tab it'll be the max - 1 on that cases
if (tabPanel.getWidgetCount()-1<selectedTab) {
tabPanel.selectTab(tabPanel.getWidgetCount()-1);
} else {
tabPanel.selectTab(selectedTab); // Always enable selected tab because on document change tab group are removed
// and on remove loses selectedTab
}
Main.get().mainPanel.desktop.browser.tabMultiple.status.unsetGroupProperties();
}
public void onFailure(Throwable caught) {
Main.get().mainPanel.desktop.browser.tabMultiple.status.unsetGroupProperties();
Main.get().showError("GetGroups", caught);
}
};
/**
* Gets all property groups assigned to document
*/
private void getGroups(String path) {
Main.get().mainPanel.desktop.browser.tabMultiple.status.setGroupProperties();
propertyGroupService.getGroups(path, callbackGetGroups);
}
/**
* Removes the actual property group
*/
public void removePropertyGroup(){
selectedTab = tabPanel.getSelectedIndex(); // Sets the actual selectedted Tab
// Removes group
PropertyGroup group = (PropertyGroup) tabPanel.getWidget(selectedTab);
group.removeGroup();
propertyGroup.remove(group);
// Remove tab
tabPanel.remove(selectedTab);
// If removed tab is last the new selected tab is selectedTab -1
if (tabPanel.getWidgetCount()-1<selectedTab) {
selectedTab--;
}
// Sets the new selected tab
tabPanel.selectTab(selectedTab);
}
/**
* Return if actual tab selected is group property and can be removed
*
* @return
*/
private boolean isRemoveGroupPropertyEnabled(int tabIndex) {
if ((tabPanel.getWidget(tabIndex) instanceof PropertyGroup)) {
return ((PropertyGroup) (tabPanel.getWidget(tabIndex))).isButtonsVisible();
} else {
return false;
}
}
/**
* showProperties
*/
public void showProperties() {
tabPanel.add(mail, Main.i18n("tab.document.properties"));
propertiesVisible = true;
}
/**
* showSecurity
*/
public void showSecurity() {
tabPanel.add(security, Main.i18n("tab.document.security"));
securityVisible = true;
SECURITY_TAB = tabPanel.getWidgetCount()-1; // Starts at 0
}
/**
* showExtensions
*/
public void showExtensions() {
for (TabMailExtension extension : widgetExtensionList) {
tabPanel.add(extension, extension.getTabText());
extension.setPixelSize(width,height-TAB_HEIGHT);
}
}
/**
* showPropertyGroups
*/
public void showPropertyGroups() {
propertyGroupsVisible = true;
}
/**
* init
*/
public void init() {
if (tabPanel.getWidgetCount()>0) {
tabPanel.selectTab(0);
if (securityVisible && mail.get()!=null) {
security.setPath(mail.get().getPath());
security.GetGrants();
GWTFolder parentFolder = Main.get().activeFolderTree.getFolder();
if ((parentFolder.getPermissions() & GWTPermission.SECURITY) == GWTPermission.SECURITY &&
(mail.get().getPermissions() & GWTPermission.SECURITY) == GWTPermission.SECURITY) {
security.setChangePermision(true);
} else {
security.setChangePermision(false);
}
}
}
}
/**
* getMail
*
* @return
*/
public GWTMail getMail() {
return mail.get();
}
/**
* addMailExtension
*
* @param extension
*/
public void addMailExtension(TabMailExtension extension) {
widgetExtensionList.add(extension);
}
/**
* resizingIncubatorWidgets
*
* Needs resizing if not widgets disappears
*/
public void resizingIncubatorWidgets() {
security.setPixelSize(getOffsetWidth(), getOffsetHeight()-TAB_HEIGHT); // Substract tab height
security.fillWidth();
// TODO:Solves minor bug with IE
if (Util.getUserAgent().startsWith("ie")) {
Timer timer = new Timer() {
@Override
public void run() {
tabPanel.setWidth(""+width);
tabPanel.setWidth(""+(width+1));
Timer timer = new Timer() {
@Override
public void run() {
tabPanel.setWidth(""+width);
}
};
timer.schedule(50);
}
};
timer.schedule(100);
}
}
@Override
public void addMailHandlerExtension(MailHandlerExtension handlerExtension) {
mailHandlerExtensionList.add(handlerExtension);
}
@Override
public void fireEvent(MailEventConstant event) {
for (MailHandlerExtension handlerExtension : mailHandlerExtensionList) {
handlerExtension.onChange(event);
}
}
@Override
public void addPropertyGroupHandlerExtension(PropertyGroupHandlerExtension handlerExtension) {
propertyGroupHandlerExtensionList.add(handlerExtension);
}
}