/**
* 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.searchsaved;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.ui.FlexTable;
import com.openkm.frontend.client.Main;
/**
* Extends FlexTable functionalities
*
* @author jllort
*
*/
public class ExtendedFlexTable extends FlexTable {
private int mouseX = 0;
private int mouseY = 0;
private boolean panelSelected = true; // Indicates if panel is selected
private int selectedRow = -1;
/**
* ExtendedFlexTable
*/
public ExtendedFlexTable() {
super();
// Adds double click event control to table ( on default only has CLICK )
sinkEvents(Event.ONDBLCLICK | Event.MOUSEEVENTS);
addClickHandler(new ClickHandler() {
@Override
public void onClick(ClickEvent event) {
// Mark selected row or orders rows if header row (0) is clicked
// And row must be other than the selected one
markSelectedRow(getCellForEvent(event).getRowIndex());
}
});
}
/* (non-Javadoc)
* @see com.google.gwt.user.client.EventListener#onBrowserEvent(com.google.gwt.user.client.Event)
*/
public void onBrowserEvent(Event event) {
int selectedRow = 0;
if (DOM.eventGetType(event) == Event.ONDBLCLICK || DOM.eventGetType(event) == Event.ONMOUSEDOWN) {
Element td = getMouseEventTargetCell(event);
if (td == null) return;
Element tr = DOM.getParent(td);
Element body = DOM.getParent(tr);
selectedRow = DOM.getChildIndex(body, tr);
}
// Only if selectedRow >= 0, indicates a document row value and must apear menu or double click action
if (selectedRow>=0) {
// When de button mouse is released
mouseX = DOM.eventGetClientX(event);
mouseY = DOM.eventGetClientY(event);
// On double click not sends event to onCellClicked across super.onBrowserEvent();
if (DOM.eventGetType(event) == Event.ONDBLCLICK) {
// Disables the event propagation the sequence is:
// Two time entry onCellClicked before entry on onBrowserEvent and disbles the
// Tree onCellClicked that produces inconsistence error refreshing
DOM.eventCancelBubble(event, true);
Main.get().mainPanel.search.historySearch.searchSaved.getSearch();
} else if (DOM.eventGetType(event) == Event.ONMOUSEDOWN) {
switch (DOM.eventGetButton(event)) {
case Event.BUTTON_RIGHT:
markSelectedRow(selectedRow);
Main.get().mainPanel.search.historySearch.searchSaved.showMenu();
DOM.eventPreventDefault(event); // Prevent to fire event to browser
break;
default:
break;
}
}
}
super.onBrowserEvent(event);
}
/**
* markSelectedRow
*
* @param row
*/
private void markSelectedRow(int row) {
setSelectedPanel(true);
if (row != selectedRow) {
styleRow(selectedRow, false);
styleRow(row, true);
selectedRow = row;
}
}
/**
* Method originally copied from HTMLTable superclass where it was defined private
* Now implemented differently to only return target cell if it'spart of 'this' table
*/
private Element getMouseEventTargetCell(Event event) {
Element td = DOM.eventGetTarget(event);
//locate enclosing td element
while (!DOM.getElementProperty(td, "tagName").equalsIgnoreCase("td")) {
// If we run out of elements, or run into the table itself, then give up.
if ((td == null) || td==getElement())
return null;
td = DOM.getParent(td);
}
//test if the td is actually from this table
Element tr = DOM.getParent(td);
Element body = DOM.getParent(tr);
if (body==this.getBodyElement()) {
return td;
}
//Didn't find appropriate cell
return null;
}
/**
* Sets the selected panel value
*
* @param selected The selected panel value
*/
public void setSelectedPanel(boolean selected) {
// Case panel is not still selected and must enable this and disable result search panel
if (!isPanelSelected() && selected) {
Main.get().mainPanel.search.searchBrowser.searchResult.setSelectedPanel(false);
}
if (selected){
Main.get().mainPanel.search.historySearch.scrollSearchSavedPanel.addStyleName("okm-PanelSelected");
Main.get().mainPanel.search.historySearch.scrollUserNewsSavedPanel.addStyleName("okm-PanelSelected");
} else {
Main.get().mainPanel.search.historySearch.scrollSearchSavedPanel.removeStyleName("okm-PanelSelected");
Main.get().mainPanel.search.historySearch.scrollUserNewsSavedPanel.removeStyleName("okm-PanelSelected");
}
panelSelected = selected;
}
/**
* Change the style row selected or unselected
*
* @param row The row afected
* @param selected Indicates selected unselected row
*/
public void styleRow(int row, boolean selected) {
// Ensures that header is never changed
if (row >= 0) {
if (selected) {
getRowFormatter().addStyleName(row, "okm-SearchSaved-SelectedRow");
} else {
getRowFormatter().removeStyleName(row, "okm-SearchSaved-SelectedRow");
}
}
}
/**
* Removes all rows except the first
*/
public void removeAllRows() {
// Resets selected Rows and Col values
selectedRow = -1;
// Purge all rows
while (getRowCount() > 0) {
removeRow(0);
}
}
/**
* Gets the selected row value
*
* @return The selected row value
*/
public int getSelectedRow(){
return selectedRow;
}
/**
* After deletes document or folder selects a row
*/
public void selectPrevRow() {
// After deletes document or folder selects a previous row if not 0 or the next if exists ( next row is actual after delete )
// RowCount minor value is 1 for header titles
if (getRowCount() > 1) {
if (selectedRow > 0) {
selectedRow--;
}
styleRow(selectedRow, true);
} else {
// Case deletes all table rows
selectedRow = -1;
}
}
/**
* Indicates if panel is selected
*
* @return The value of panel ( selected )
*/
public boolean isPanelSelected() {
return panelSelected;
}
/**
* Gets the X position on mouse click
*
* @return The x position on mouse click
*/
public int getMouseX() {
return mouseX;
}
/**
* Gets the Y position on mouse click
*
* @return The y position on mouse click
*/
public int getMouseY() {
return mouseY;
}
}