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.snmptrap.composite; import java.util.ArrayList; import java.util.List; import java.util.Map; import java.util.Set; import java.util.TreeSet; import java.util.concurrent.ConcurrentHashMap; import java.util.regex.Pattern; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.jface.viewers.StructuredSelection; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Combo; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableItem; import org.eclipse.swt.widgets.Text; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.PlatformUI; import com.clustercontrol.ClusterControlPlugin; import com.clustercontrol.monitor.preference.MonitorPreferencePage; import com.clustercontrol.monitor.run.composite.ITableItemCompositeDefine; import com.clustercontrol.util.WidgetTestUtil; import com.clustercontrol.bean.DataRangeConstant; import com.clustercontrol.composite.action.StringVerifyListener; import com.clustercontrol.dialog.CommonDialog; import com.clustercontrol.snmptrap.dialog.SnmpTrapCreateDialog; import com.clustercontrol.util.Messages; import com.clustercontrol.ws.monitor.TrapValueInfo; /** * SNMPTRAPOID?<BR> * * @version 5.0.0 * @since 5.0.0 */ public class TrapDefineListComposite extends Composite { public static final int MAX_COLUMN = SnmpTrapCreateDialog.MAX_COLUMN; public static final int WIDTH_TITLE = SnmpTrapCreateDialog.WIDTH_TITLE; public static final int WIDTH_VALUE = SnmpTrapCreateDialog.WIDTH_VALUE; public static final int WIDTH_TITLE_WIDE = SnmpTrapCreateDialog.WIDTH_TITLE_WIDE; public static final int WIDTH_TITLE_SMALL = SnmpTrapCreateDialog.WIDTH_TITLE_SMALL; // ----- instance ----- // /** ? */ protected TrapDefineTableComposite infoList = null; protected ITableItemCompositeDefine<TrapValueInfo> define = null; private Map<TrapValueInfo, String> mibMap = new ConcurrentHashMap<TrapValueInfo, String>(); private Map<String, List<TrapValueInfo>> trapMap = new ConcurrentHashMap<String, List<TrapValueInfo>>(); /** */ protected Button btnAdd = null; /** */ protected Button btnModify = null; /** */ protected Button btnDelete = null; /** */ protected Button btnCopy = null; /** MIB */ protected Combo cmbMib = null; /** */ protected Text txtFilter = null; /** */ protected Button btnClearFilter = null; /** */ protected Button btnShowOidTable = null; private Label labelRecordNumber; // ----- ----- // /** * ??? * * @param parent * ?? * @param style * */ public TrapDefineListComposite(Composite parent, int style, ITableItemCompositeDefine<TrapValueInfo> define) { this(parent, style, define, null); } public TrapDefineListComposite(Composite parent, int style, ITableItemCompositeDefine<TrapValueInfo> define, List<TrapValueInfo> items) { super(parent, style); this.define = define; if (items != null) { this.define.initTableItemInfoManager(items); } else { this.define.initTableItemInfoManager(); } this.initialize(); } // ----- instance ----- // /** * ?????????? * * @param info ???? */ public void setInputData(List<TrapValueInfo> list) { this.infoList.setInputData(list); mibMap = new ConcurrentHashMap<TrapValueInfo, String>(); for (TrapValueInfo info : list) { mibMap.put(info, info.getMib()); } trapMap = new ConcurrentHashMap<String, List<TrapValueInfo>>(); for (String mib : new TreeSet<String>(mibMap.values())) { trapMap.put(mib, new ArrayList<TrapValueInfo>()); } for (TrapValueInfo info : list) { trapMap.get(info.getMib()).add(info); } updateMibList(); // this.update(); } /** * ????? */ protected void initialize() { GridLayout layout = new GridLayout(1, true); this.setLayout(layout); layout.marginHeight = 0; layout.marginWidth = 0; layout.numColumns = MAX_COLUMN; //???? Label label = null; // Group groupFilter = new Group(this, SWT.NONE); WidgetTestUtil.setTestId(this, "filter", groupFilter); layout = new GridLayout(1, true); layout.marginWidth = 5; layout.marginHeight = 5; layout.numColumns = MAX_COLUMN; groupFilter.setLayout(layout); GridData gridData = new GridData(); gridData.horizontalSpan = MAX_COLUMN; gridData.horizontalAlignment = GridData.FILL; gridData.grabExcessHorizontalSpace = true; groupFilter.setLayoutData(gridData); groupFilter.setText(Messages.getString("filter") + " : "); /* * MIB */ // label = new Label(groupFilter, SWT.NONE); WidgetTestUtil.setTestId(this, "mib", label); gridData = new GridData(); gridData.horizontalSpan = WIDTH_TITLE; gridData.horizontalAlignment = GridData.FILL; gridData.grabExcessHorizontalSpace = true; label.setLayoutData(gridData); label.setText(Messages.getString("mib") + " : "); // this.cmbMib = new Combo(groupFilter, SWT.READ_ONLY | SWT.MULTI | SWT.V_SCROLL); WidgetTestUtil.setTestId(this, "mib", cmbMib); gridData = new GridData(); gridData.horizontalSpan = MAX_COLUMN - WIDTH_TITLE - 3; gridData.horizontalAlignment = GridData.FILL; gridData.grabExcessHorizontalSpace = true; gridData.heightHint = 30; this.cmbMib.setLayoutData(gridData); this.cmbMib.setVisibleItemCount(10); // MIB? this.cmbMib.add(""); this.cmbMib.select(0); this.cmbMib.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { //? update(); } }); // Utility??????? if (true) { label = new Label(groupFilter, SWT.NONE); WidgetTestUtil.setTestId(this, null, label); gridData = new GridData(); gridData.horizontalSpan = 3; gridData.horizontalAlignment = GridData.FILL; gridData.grabExcessHorizontalSpace = true; label.setLayoutData(gridData); } /* * */ // label = new Label(groupFilter, SWT.NONE); WidgetTestUtil.setTestId(this, "trapname", label); gridData = new GridData(); gridData.horizontalSpan = WIDTH_TITLE; gridData.horizontalAlignment = GridData.FILL; gridData.grabExcessHorizontalSpace = true; label.setLayoutData(gridData); label.setText(Messages.getString("trap.name") + " : "); // this.txtFilter = new Text(groupFilter, SWT.BORDER | SWT.LEFT); WidgetTestUtil.setTestId(this, "filter", txtFilter); gridData = new GridData(); gridData.horizontalSpan = 10; gridData.horizontalAlignment = GridData.FILL; gridData.grabExcessHorizontalSpace = true; this.txtFilter.setLayoutData(gridData); this.txtFilter.addVerifyListener(new StringVerifyListener(DataRangeConstant.VARCHAR_256)); // this.btnClearFilter = new Button(groupFilter, SWT.NONE); WidgetTestUtil.setTestId(this, "clearfilter", btnClearFilter); this.btnClearFilter.setText(Messages.getString("clear")); gridData = new GridData(); gridData.horizontalSpan = 2; gridData.horizontalAlignment = GridData.FILL; gridData.grabExcessHorizontalSpace = true; this.btnClearFilter.setLayoutData(gridData); this.btnClearFilter.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { txtFilter.setText(""); update(); } }); // this.btnShowOidTable = new Button(groupFilter, SWT.NONE); WidgetTestUtil.setTestId(this, "oidtable", btnShowOidTable); this.btnShowOidTable.setText(Messages.getString("show")); gridData = new GridData(); gridData.horizontalSpan = 2; gridData.horizontalAlignment = GridData.FILL; gridData.grabExcessHorizontalSpace = true; this.btnShowOidTable.setLayoutData(gridData); this.btnShowOidTable.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { //? update(); } }); /* * */ this.infoList = new TrapDefineTableComposite(this, SWT.BORDER, this.define); WidgetTestUtil.setTestId(this, "pagelist", infoList); gridData = new GridData(); gridData.horizontalAlignment = GridData.FILL; gridData.verticalAlignment = GridData.FILL; gridData.grabExcessHorizontalSpace = true; gridData.grabExcessVerticalSpace = true; gridData.horizontalSpan = MAX_COLUMN; gridData.heightHint = 150; this.infoList.setLayoutData(gridData); this.infoList.getTableViewer().addSelectionChangedListener(new ISelectionChangedListener() { @Override public void selectionChanged(SelectionChangedEvent event) { checkButtonEnabled(); } }); /* * ? */ Composite composite = new Composite(this, SWT.NONE); WidgetTestUtil.setTestId(this, null, composite); layout = new GridLayout(6, true); composite.setLayout(layout); gridData = new GridData(); gridData.horizontalAlignment = GridData.FILL; gridData.verticalAlignment = GridData.FILL; gridData.grabExcessHorizontalSpace = true; gridData.grabExcessVerticalSpace = true; gridData.horizontalSpan = MAX_COLUMN; composite.setLayoutData(gridData); /* * */ labelRecordNumber = new Label(composite, SWT.NONE); WidgetTestUtil.setTestId(this, "recordNumber", label); gridData = new GridData(); gridData.horizontalAlignment = GridData.FILL; gridData.grabExcessHorizontalSpace = true; gridData.horizontalSpan = 2; labelRecordNumber.setLayoutData(gridData); updateRecordNumber(0, 0); // ??????? int validButtonCount = 0; validButtonCount += (this.define.getButtonOptions() & ITableItemCompositeDefine.ADD) != 0 ? 1 : 0; validButtonCount += (this.define.getButtonOptions() & ITableItemCompositeDefine.MODIFY) != 0 ? 1 : 0; validButtonCount += (this.define.getButtonOptions() & ITableItemCompositeDefine.DELETE) != 0 ? 1 : 0; validButtonCount += (this.define.getButtonOptions() & ITableItemCompositeDefine.COPY) != 0 ? 1 : 0; if (4 - validButtonCount > 0) { label = new Label(composite, SWT.NONE); WidgetTestUtil.setTestId(this, "dummy", label); gridData = new GridData(); gridData.horizontalSpan = 4 - validButtonCount; gridData.horizontalAlignment = GridData.FILL; gridData.grabExcessHorizontalSpace = true; label.setLayoutData(gridData); } // if ((this.define.getButtonOptions() & ITableItemCompositeDefine.ADD) != 0) { this.btnAdd = this.createButton(composite, Messages.getString("add")); WidgetTestUtil.setTestId(this, "add", btnAdd); this.btnAdd.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { // ? Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(); CommonDialog dialog = define.createDialog(shell); if (dialog.open() == IDialogConstants.OK_ID) { define.getTableItemInfoManager().add(define.getCurrentCreatedItem()); addItem(define.getCurrentCreatedItem()); updateMibList(); update(); } } }); } // if ((this.define.getButtonOptions() & ITableItemCompositeDefine.MODIFY) != 0) { this.btnModify = this.createButton(composite, Messages.getString("modify")); WidgetTestUtil.setTestId(this, "modify", btnModify); this.btnModify.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { TrapValueInfo item = getSelectedItem(); if (item != null) { // ? Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(); CommonDialog dialog = define.createDialog(shell, item); if (dialog.open() == IDialogConstants.OK_ID) { Table table = infoList.getTableViewer().getTable(); WidgetTestUtil.setTestId(this, "modify", table); int selectIndex = table.getSelectionIndex(); define.getTableItemInfoManager().modify(item, define.getCurrentCreatedItem()); table.setSelection(selectIndex); removeItem(item); addItem(define.getCurrentCreatedItem()); updateMibList(); update(); } } else { MessageDialog.openWarning(null, Messages.getString("warning"), Messages.getString("message.monitor.30")); } } }); } // if ((this.define.getButtonOptions() & ITableItemCompositeDefine.DELETE) != 0) { this.btnDelete = this.createButton(composite, Messages.getString("delete")); WidgetTestUtil.setTestId(this, "delete", btnDelete); this.btnDelete.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { List<TrapValueInfo> infos = getSelectedItems(); if (infos.size() > 0) { if (MessageDialog.openConfirm(null, Messages.getString("confirmed"), Messages.getString("message.monitor.snmptrap.confirm.to.delete.selected.items"))) { define.getTableItemInfoManager().delete(infos); removeItem(infos.toArray(new TrapValueInfo[0])); updateMibList(); update(); } } else { MessageDialog.openWarning(null, Messages.getString("warning"), Messages.getString("message.monitor.30")); } } }); } // if ((this.define.getButtonOptions() & ITableItemCompositeDefine.COPY) != 0) { this.btnCopy = this.createButton(composite, Messages.getString("copy")); WidgetTestUtil.setTestId(this, "copy", btnCopy); this.btnCopy.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { TrapValueInfo item = getSelectedItem(); if (item != null) { // ? Shell shell = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(); CommonDialog dialog = define.createDialog(shell, item); if (dialog.open() == IDialogConstants.OK_ID) { Table table = infoList.getTableViewer().getTable(); WidgetTestUtil.setTestId(this, "modify", table); int selectIndex = table.getSelectionIndex(); define.getTableItemInfoManager().add(define.getCurrentCreatedItem()); table.setSelection(selectIndex); addItem(define.getCurrentCreatedItem()); updateMibList(); update(); } } else { MessageDialog.openWarning(null, Messages.getString("warning"), Messages.getString("message.monitor.30")); } } }); } this.update(); } private void updateRecordNumber(int displayNumber, int totalNumber) { labelRecordNumber.setText(Messages.getString("records.total", new Object[] { displayNumber, totalNumber })); } /** * ?/??? * */ @Override public void setEnabled(boolean enabled) { super.setEnabled(enabled); cmbMib.setEnabled(enabled); txtFilter.setEnabled(enabled); btnClearFilter.setEnabled(enabled); btnShowOidTable.setEnabled(enabled); infoList.setEnabled(enabled); btnAdd.setEnabled(enabled); btnDelete.setEnabled(enabled); btnModify.setEnabled(enabled); btnCopy.setEnabled(enabled); checkButtonEnabled(); } /** * ??? * * @param parent ?? * @param label ?? * @return */ protected Button createButton(Composite parent, String label) { Button button = new Button(parent, SWT.NONE); WidgetTestUtil.setTestId(this, null, button); GridData gridData = new GridData(); gridData.horizontalAlignment = GridData.FILL; gridData.grabExcessHorizontalSpace = true; button.setLayoutData(gridData); button.setText(label); return button; } /** * ????????? * * @param identifier */ protected void selectItem(TrapValueInfo item) { Table table = this.infoList.getTableViewer().getTable(); WidgetTestUtil.setTestId(this, null, table); TableItem[] items = table.getItems(); if (items == null || item == null) { return; } for (int i = 0; i < items.length; i++) { TrapValueInfo tmpItem = (TrapValueInfo) items[i].getData(); WidgetTestUtil.setTestId(this, "items" + i, items[i]); if (item.equals(tmpItem)) { table.select(i); return; } } } /** * ???????? * * @return ?????????<code>null</code> */ protected TrapValueInfo getSelectedItem() { List<TrapValueInfo> infos = getSelectedItems(); return infos.size() > 0 ? infos.get(0) : null; } protected List<TrapValueInfo> getSelectedItems() { StructuredSelection selection = (StructuredSelection) this.infoList.getTableViewer().getSelection(); List<TrapValueInfo> tableItemInfos = new ArrayList<TrapValueInfo>(); for (Object o : selection.toList()) { if (o instanceof TrapValueInfo) { tableItemInfos.add((TrapValueInfo) o); } } return tableItemInfos; } /** * ??????? * * @return List<T> */ public List<TrapValueInfo> getItems() { return this.infoList.getTableItemData(); } /** * ???? * <p> * */ @Override public void update() { infoList.getTableViewer().setInput(getFilteredList()); checkButtonEnabled(); } protected void checkButtonEnabled() { boolean enabled = this.infoList.getTableViewer().getTable().getEnabled() && this.infoList.getTableViewer().getTable().getSelectionCount() <= 1; btnModify.setEnabled(enabled); btnCopy.setEnabled(enabled); } private void updateMibList() { String tmp = cmbMib.getText(); cmbMib.removeAll(); cmbMib.add(""); if (!getItems().isEmpty()) { Set<String> set = new TreeSet<String>(mibMap.values()); for (String mib : set) { cmbMib.add(mib); } } if (cmbMib.indexOf(tmp) != -1) { cmbMib.select(cmbMib.indexOf(tmp)); } } private void addItem(TrapValueInfo... infos) { if (infos != null) { for (TrapValueInfo info : infos) { mibMap.put(info, info.getMib()); if (trapMap.get(info.getMib()) == null) { trapMap.put(info.getMib(), new ArrayList<TrapValueInfo>()); } trapMap.get(info.getMib()).add(info); } } } private void removeItem(TrapValueInfo... infos) { if (infos != null) { for (TrapValueInfo info : infos) { mibMap.remove(info); trapMap.get(info.getMib()).remove(info); if (trapMap.get(info.getMib()).isEmpty()) { trapMap.remove(info.getMib()); } } } } private List<TrapValueInfo> getFilteredList() { List<TrapValueInfo> tmp1 = new ArrayList<>(); List<TrapValueInfo> tmp2 = new ArrayList<>(); if (!"".equals(cmbMib.getText().trim()) && trapMap.containsKey(cmbMib.getText().trim())) { tmp1.addAll(trapMap.get(cmbMib.getText().trim())); } else { tmp1.addAll(getItems()); } if (!"".equals(txtFilter.getText().trim())) { for (TrapValueInfo info : tmp1) { if (Pattern.matches(".*" + txtFilter.getText().trim() + ".*", info.getUei())) { tmp2.add(info); } } } else { tmp2 = tmp1; } return limitDisplayTrapValueInfoList(tmp2); } private List<TrapValueInfo> limitDisplayTrapValueInfoList(List<TrapValueInfo> infoList) { int maxTrapOids = ClusterControlPlugin.getDefault().getPreferenceStore() .getInt(MonitorPreferencePage.P_MAX_TRAP_OID); int totalNumber = infoList.size(); int displayNumber = Math.min(totalNumber, maxTrapOids); updateRecordNumber(displayNumber, totalNumber); return infoList.subList(0, displayNumber); } }