| /******************************************************************************* |
| * Copyright (c) 2006 Sybase, Inc. and others. |
| * |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http:// www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Sybase, Inc. - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.pagedesigner.jsf.ui.elementedit.util; |
| |
| import java.util.List; |
| |
| import org.eclipse.jst.jsf.core.internal.tld.IJSFConstants; |
| import org.eclipse.jst.pagedesigner.jsf.core.dom.JSFDOMUtil; |
| import org.w3c.dom.Element; |
| |
| import org.eclipse.jst.pagedesigner.utils.DOMUtil; |
| |
| /** |
| * @author mengbo |
| * @version 1.5 |
| */ |
| public class PanelGridUtil |
| { |
| private static final int INVALID_POSITION = -10; |
| private Element _panelGrid = null; |
| |
| /** |
| * @param panelGrid |
| */ |
| public PanelGridUtil(Element panelGrid) |
| { |
| this._panelGrid = panelGrid; |
| } |
| |
| /** |
| * @param domIndex |
| * @return the row index in the panel of the relative dom index |
| */ |
| public int convertRowIndexFromDomToView(int domIndex) |
| { |
| boolean hasHeaderRow = (JSFDOMUtil.findFacet(this._panelGrid, "header") != null); |
| boolean hasFooterRow = (JSFDOMUtil.findFacet(this._panelGrid, "footer") != null); |
| if (!hasFooterRow) |
| { |
| return domIndex; |
| } |
| if (domIndex == 0) |
| { |
| return domIndex; |
| } |
| if (hasHeaderRow) |
| { |
| if (domIndex > 1) |
| { |
| return domIndex - 1; |
| } |
| } |
| else |
| { |
| if (domIndex > 0) |
| { |
| return domIndex - 1; |
| } |
| } |
| //must be footer |
| int uiRows = getUIRowCount(); |
| return domIndex + uiRows; |
| } |
| |
| /** |
| * @param cell |
| * @return the dom row index of cell in the panel |
| */ |
| public int getDomRowIndex(Element cell) |
| { |
| boolean hasHeaderRow = (JSFDOMUtil.findFacet(this._panelGrid, "header") != null); |
| boolean hasFooterRow = (JSFDOMUtil.findFacet(this._panelGrid, "footer") != null); |
| //if cell is header or footer |
| boolean isFacet = JSFDOMUtil.isFacet(cell); |
| Element parent = (Element) cell.getParentNode(); |
| boolean isParentFacet = JSFDOMUtil.isFacet(parent); |
| if (isParentFacet) |
| { |
| cell = parent; |
| } |
| if (isFacet || isParentFacet) |
| { |
| String attrName = cell.getAttribute("name"); |
| if ("header".equalsIgnoreCase(attrName)) |
| { |
| return 0; |
| } |
| else if ("footer".equalsIgnoreCase(attrName)) |
| { |
| if (hasHeaderRow) |
| { |
| return 1; |
| } |
| return 0; |
| } |
| } |
| |
| int columns = DOMUtil.getIntAttributeIgnoreCase(this._panelGrid, IJSFConstants.ATTR_COLUMNS, 1); |
| if (columns < 1) |
| { |
| columns = 1; |
| } |
| int pos = getPosition(cell); |
| int rowIndex = pos / columns; |
| |
| if (hasHeaderRow) |
| { |
| rowIndex++; |
| } |
| if (hasFooterRow) |
| { |
| rowIndex++; |
| } |
| |
| return rowIndex; |
| } |
| |
| /** |
| * @param cell |
| * @return the column index of cell in the panel |
| */ |
| public int getDomColumnIndex(Element cell) |
| { |
| int columns = DOMUtil.getIntAttributeIgnoreCase(this._panelGrid, IJSFConstants.ATTR_COLUMNS, 1); |
| if (columns < 1) |
| { |
| columns = 1; |
| } |
| int pos = getPosition(cell); |
| //if position is at header or footer,then insert column action should be disabled |
| if (pos == INVALID_POSITION) |
| { |
| return pos; |
| } |
| |
| int columnIndex = pos % columns; |
| return columnIndex; |
| } |
| |
| /** |
| * @return the row count in the panel |
| */ |
| public int getUIRowCount() |
| { |
| int columns = DOMUtil.getIntAttributeIgnoreCase(this._panelGrid, IJSFConstants.ATTR_COLUMNS, 1); |
| if (columns < 1) |
| { |
| columns = 1; |
| } |
| List children = JSFDOMUtil.getUIComponentChildren(this._panelGrid); |
| int numRows = (children.size() + columns - 1) / columns; |
| |
| return numRows; |
| } |
| |
| private int getPosition(Element cell) |
| { |
| List children = JSFDOMUtil.getUIComponentChildren(this._panelGrid); |
| int size = children.size(); |
| int i = 0; |
| for (i = 0; i < size; i++) |
| { |
| if (cell == children.get(i)) |
| { |
| break; |
| } |
| } |
| if (i == size) |
| { |
| return INVALID_POSITION; |
| } |
| return i; |
| } |
| |
| } |