/**
* 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.thesaurus;
import java.util.Iterator;
import java.util.List;
import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.KeyUpEvent;
import com.google.gwt.event.dom.client.KeyUpHandler;
import com.google.gwt.event.logical.shared.SelectionEvent;
import com.google.gwt.event.logical.shared.SelectionHandler;
import com.google.gwt.user.client.Window;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.rpc.ServiceDefTarget;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.HTML;
import com.google.gwt.user.client.ui.HasAlignment;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.ScrollPanel;
import com.google.gwt.user.client.ui.TabBar;
import com.google.gwt.user.client.ui.TabPanel;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.openkm.frontend.client.Main;
import com.openkm.frontend.client.contants.service.RPCService;
import com.openkm.frontend.client.service.OKMThesaurusService;
import com.openkm.frontend.client.service.OKMThesaurusServiceAsync;
/**
* ThesaurusSelectPopup
*
* @author jllort
*
*/
public class ThesaurusSelectPopup extends DialogBox {
private final OKMThesaurusServiceAsync thesaurusService = (OKMThesaurusServiceAsync) GWT.create(OKMThesaurusService.class);
public static final int NONE = -1;
public static final int DOCUMENT_PROPERTIES = 0;
public static final int WIZARD = 1;
private final int TAB_TREE = 0;
private final int TAB_KEYWORDS = 1;
private VerticalPanel vPanel;
private HorizontalPanel hPanel;
public ScrollPanel scrollDirectoryPanel;
public ScrollPanel scrollKeywordPanel;
private VerticalPanel verticalDirectoryPanel;
private FolderSelectTree folderSelectTree;
private Button cancelButton;
private Button actionButton;
public Status status;
private TextBox keyword;
private VerticalPanel vPanelKeyword;
private FlexTable keywordTable;
public TabPanel tabPanel;
private int selectedRow = -1;
private int selectedTab = TAB_TREE;
private int selectedFrom = NONE;
/**
* ThesaurusSelectPopup
*/
public ThesaurusSelectPopup() {
// Establishes auto-close when click outside
super(false,true);
status = new Status();
status.setStyleName("okm-StatusPopup");
tabPanel = new TabPanel();
tabPanel.setSize("290", "175");
tabPanel.addSelectionHandler(new SelectionHandler<Integer>() {
@Override
public void onSelection(SelectionEvent<Integer> event) {
selectedTab = event.getSelectedItem().intValue();
evaluateEnableAction();
}
});
vPanel = new VerticalPanel();
vPanel.setWidth("300");
vPanel.setHeight("225");
hPanel = new HorizontalPanel();
scrollDirectoryPanel = new ScrollPanel();
scrollDirectoryPanel.setSize("100%", "100%");
scrollDirectoryPanel.setStyleName("okm-Popup-text");
scrollKeywordPanel = new ScrollPanel();
scrollKeywordPanel.setStyleName("okm-Popup-text");
verticalDirectoryPanel = new VerticalPanel();
folderSelectTree = new FolderSelectTree();
folderSelectTree.setSize("100%", "100%");
verticalDirectoryPanel.add(folderSelectTree);
scrollDirectoryPanel.add(verticalDirectoryPanel);
cancelButton = new Button(Main.i18n("button.close"), new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
hide();
}
});
actionButton = new Button(Main.i18n("button.add"), new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
if (selectedTab==TAB_TREE) {
executeAction(folderSelectTree.getActualPath());
} else {
executeAction(keywordTable.getText(selectedRow, 0));
}
}
});
keyword = new TextBox();
keyword.setWidth("292");
keyword.addKeyUpHandler(new KeyUpHandler() {
@Override
public void onKeyUp(KeyUpEvent event) {
if (keyword.getText().length()>=3) {
getKeywords(keyword.getText().toLowerCase());
} else {
removeAllRows();
}
}
});
keywordTable = new FlexTable();
keywordTable.setWidth("100%");
keywordTable.addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
markSelectedRow(keywordTable.getCellForEvent(event).getRowIndex());
evaluateEnableAction();
}
});
scrollKeywordPanel.add(keywordTable);
vPanelKeyword = new VerticalPanel();
vPanelKeyword.add(keyword);
vPanelKeyword.add(scrollKeywordPanel);
vPanelKeyword.setCellHeight(keyword, "25");
vPanelKeyword.setCellVerticalAlignment(keyword, HasAlignment.ALIGN_MIDDLE);
tabPanel.add(scrollDirectoryPanel, Main.i18n("thesaurus.tab.tree"));
tabPanel.add(vPanelKeyword, Main.i18n("thesaurus.tab.keywords"));
tabPanel.selectTab(TAB_TREE);
scrollDirectoryPanel.setPixelSize(290,175);
scrollKeywordPanel.setPixelSize(290,150);
vPanel.add(tabPanel);
vPanel.add(new HTML("<br>"));
hPanel.add(cancelButton);
HTML space = new HTML();
space.setWidth("50");
hPanel.add(space);
hPanel.add(actionButton);
vPanel.add(hPanel);
vPanel.add(new HTML("<br>"));
vPanel.setCellHorizontalAlignment(tabPanel, HasAlignment.ALIGN_CENTER);
vPanel.setCellHorizontalAlignment(hPanel, HasAlignment.ALIGN_CENTER);
vPanel.setCellHeight(tabPanel, "150");
cancelButton.setStyleName("okm-Button");
actionButton.setStyleName("okm-Button");
keyword.setStyleName("okm-Input");
keywordTable.setStyleName("okm-NoWrap");
keywordTable.addStyleName("okm-Table-Row");
super.hide();
setWidget(vPanel);
}
/**
* Executes the action
*/
public void executeAction(String actualPath) {
String keyword = actualPath.substring(actualPath.lastIndexOf("/")+1).replace(" ", "_");
switch (selectedFrom) {
case DOCUMENT_PROPERTIES:
Main.get().mainPanel.desktop.browser.tabMultiple.tabDocument.document.addKeywordToPendinList(keyword);
Main.get().mainPanel.desktop.browser.tabMultiple.tabDocument.document.addPendingKeyWordsList();
break;
case WIZARD:
Main.get().wizardPopup.keywordsWidget.addKeywordToPendinList(keyword);
Main.get().wizardPopup.keywordsWidget.addPendingKeyWordsList();
break;
}
}
/**
* Language refresh
*/
public void langRefresh() {
TabBar tabBar = tabPanel.getTabBar();
selectedTab = tabBar.getSelectedTab();
while (tabPanel.getWidgetCount() > 0) {
tabPanel.remove(0);
}
tabPanel.add(scrollDirectoryPanel, Main.i18n("thesaurus.tab.tree"));
tabPanel.add(scrollKeywordPanel, Main.i18n("thesaurus.tab.keywords"));
tabPanel.selectTab(selectedTab);
scrollDirectoryPanel.setPixelSize(290,175);
scrollKeywordPanel.setPixelSize(290,150);
setText(Main.i18n("thesaurus.directory.select.label"));
cancelButton.setText(Main.i18n("button.close"));
actionButton.setText(Main.i18n("button.add"));
}
/**
* Shows the popup
*/
public void show(int selectedFrom){
this.selectedFrom = selectedFrom;
initButtons();
int left = (Window.getClientWidth()-300) / 2;
int top = (Window.getClientHeight()-225) / 2;
setPopupPosition(left, top);
setText(Main.i18n("thesaurus.directory.select.label"));
// Resets to initial tree value
folderSelectTree.reset();
removeAllRows();
keyword.setText("");
evaluateEnableAction();
center();
}
/**
* Enables or disables move button
*
* @param enable
*/
public void enable(boolean enable) {
actionButton.setEnabled(enable);
}
/**
* Enables all button
*/
private void initButtons() {
cancelButton.setEnabled(true);
actionButton.setEnabled(false);
}
/**
* Gets asyncronous root node
*/
final AsyncCallback<List<String>> callbackGetKeywords = new AsyncCallback<List<String>>() {
public void onSuccess(List<String> result) {
removeAllRows();
for (Iterator<String> it = result.iterator(); it.hasNext();) {
keywordTable.setHTML(keywordTable.getRowCount(), 0, it.next());
}
status.unsetFlagKeywords();
}
public void onFailure(Throwable caught) {
status.unsetFlagKeywords();
Main.get().showError("getKeywords", caught);
}
};
/**
* Gets the root
*/
public void getKeywords(String filter) {
ServiceDefTarget endPoint = (ServiceDefTarget) thesaurusService;
endPoint.setServiceEntryPoint(RPCService.ThesaurusService);
status.setFlagKeywords();
thesaurusService.getKeywords(filter, callbackGetKeywords);
}
/**
* removeAllRows
*/
private void removeAllRows() {
selectedRow = -1;
evaluateEnableAction();
while (keywordTable.getRowCount()>0) {
keywordTable.removeRow(0);
}
}
/**
* markSelectedRow
*
* @param row
*/
private void markSelectedRow(int row) {
// And row must be other than the selected one
if (row != selectedRow) {
styleRow(selectedRow, false);
styleRow(row, true);
selectedRow = row;
}
}
/**
* Change the style row selected or unselected
*
* @param row The row afected
* @param selected Indicates selected unselected row
*/
private void styleRow(int row, boolean selected) {
if (row>=0) {
if (selected) {
keywordTable.getRowFormatter().addStyleName(row, "okm-Table-SelectedRow");
} else {
keywordTable.getRowFormatter().removeStyleName(row, "okm-Table-SelectedRow");
}
}
}
/**
* evaluateEnableAction
*/
private void evaluateEnableAction() {
switch (selectedTab) {
case TAB_TREE:
enable(folderSelectTree.evaluateEnableActionButton());
break;
case TAB_KEYWORDS:
enable(selectedRow>=0);
break;
}
}
}