Java tutorial
/* Copyright (C) 2006 NTT DATA Corporation 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, version 2. 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. */ package com.clustercontrol.jobmanagement.viewer; import java.util.ArrayList; import org.eclipse.jface.viewers.IBaseLabelProvider; import org.eclipse.jface.viewers.IColorProvider; import org.eclipse.jface.viewers.IFontProvider; import org.eclipse.jface.viewers.TreeViewer; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Color; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Item; import org.eclipse.swt.widgets.Tree; import org.eclipse.swt.widgets.TreeColumn; import org.eclipse.swt.widgets.TreeItem; import com.clustercontrol.bean.TableColumnInfo; import com.clustercontrol.util.WidgetTestUtil; import com.clustercontrol.viewer.CommonTableViewerSorter; import com.clustercontrol.viewer.ICommonTableLabelProvider; //import com.clustercontrol.ClusterControlPlugin; /** * <BR> * * @version 1.0.0 * @since 1.0.0 */ public class JobTableTreeViewer extends TreeViewer { private ArrayList<TableColumnInfo> m_tableColumnList = null; /** * * * @param parent * @since 1.0.0 */ public JobTableTreeViewer(Composite parent) { super(parent); setLabelProvider(new JobTableTreeLabelProvider(this)); setContentProvider(new JobTableTreeContentProvider()); } /** * * * @param parent * @param style * @since 1.0.0 */ public JobTableTreeViewer(Composite parent, int style) { super(parent, style); setLabelProvider(new JobTableTreeLabelProvider(this)); setContentProvider(new JobTableTreeContentProvider()); } /** * * * @param table * @since 1.0.0 */ public JobTableTreeViewer(Tree tree) { super(tree); setLabelProvider(new JobTableTreeLabelProvider(this)); setContentProvider(new JobTableTreeContentProvider()); } /** * ??? * * @param tableColumnList * @since 1.0.0 */ public void createTableColumn(ArrayList<TableColumnInfo> tableColumnList, int sortColumnIndex, int sortOrder) { this.m_tableColumnList = tableColumnList; for (int i = 0; i < this.m_tableColumnList.size(); i++) { TableColumnInfo tableColumnInfo = this.m_tableColumnList.get(i); TreeColumn column = new TreeColumn(getTree(), SWT.LEFT); WidgetTestUtil.setTestId(this, "column", column); //column.setData(ClusterControlPlugin.CUSTOM_WIDGET_ID, "jobTableTreeViewerColumn"); column.setText(tableColumnInfo.getName()); column.setWidth(tableColumnInfo.getWidth()); //?? if (i == sortColumnIndex) { int order = sortOrder; tableColumnInfo.setOrder(order); setSorter(new CommonTableViewerSorter(i, order)); } //???? column.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { TreeColumn column = (TreeColumn) e.getSource(); WidgetTestUtil.setTestId(this, null, column); ArrayList<TableColumnInfo> tableColumnList = getTableColumnList(); for (int i = 0; i < tableColumnList.size(); i++) { TableColumnInfo tableColumnInfo = tableColumnList.get(i); if (tableColumnInfo.getName().compareTo(column.getText()) == 0) { int order = tableColumnInfo.getOrder() * -1; tableColumnInfo.setOrder(order); setSorter(new CommonTableViewerSorter(i, order)); break; } } } }); } } /* * (non-Javadoc) * * @see org.eclipse.jface.viewers.AbstractTreeViewer#doUpdateItem(org.eclipse.swt.widgets.Item, * java.lang.Object) */ @Override protected void doUpdateItem(Item item, Object element) { // update icon and label // Similar code in TableTreeViewer.doUpdateItem() IBaseLabelProvider prov = getLabelProvider(); ICommonTableLabelProvider tprov = null; if (prov instanceof ICommonTableLabelProvider) { tprov = (ICommonTableLabelProvider) prov; int columnCount = getTree().getColumnCount(); TreeItem ti = (TreeItem) item; WidgetTestUtil.setTestId(this, null, ti); ////ti.setData(ClusterControlPlugin.CUSTOM_WIDGET_ID, "jobTableTreeViewerTi"); // Also enter loop if no columns added. See 1G9WWGZ: JFUIF:WINNT - // TableViewer with 0 columns does not work for (int column = 0; column < columnCount || column == 0; column++) { String text = "";//$NON-NLS-1$ Image image = null; Color color = null; text = tprov.getColumnText(element, column); image = tprov.getColumnImage(element, column); color = tprov.getColumnColor(element, column); ti.setText(column, text); // Apparently a problem to setImage to null if already null if (ti.getImage(column) != image) ti.setImage(column, image); if (color != null) { ti.setBackground(color); } } if (prov instanceof IColorProvider) { IColorProvider cprov = (IColorProvider) prov; ti.setForeground(cprov.getForeground(element)); ti.setBackground(cprov.getBackground(element)); } if (prov instanceof IFontProvider) { IFontProvider fprov = (IFontProvider) prov; ti.setFont(fprov.getFont(element)); } } else { //ICommonTableLabelProvider????????? super.doUpdateItem(item, element); } } /** * ?? * * @return * @since 1.0.0 */ public ArrayList<TableColumnInfo> getTableColumnList() { return this.m_tableColumnList; } /** * ?? * * @param type * @return * @since 1.0.0 */ public int getTableColumnIndex(int type) { int index = -1; for (int i = 0; i < m_tableColumnList.size(); i++) { TableColumnInfo tableColumn = m_tableColumnList.get(i); if (type == tableColumn.getType()) { index = i; break; } } return index; } }