Java tutorial
/* * Copyright 2015 the original author or authors. * @https://github.com/scouter-project/scouter * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * */ package scouter.client.configuration.views; import java.util.ArrayList; import java.util.List; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IStatusLineManager; import org.eclipse.jface.action.IToolBarManager; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.layout.TableColumnLayout; import org.eclipse.jface.viewers.ArrayContentProvider; import org.eclipse.jface.viewers.ColumnLabelProvider; import org.eclipse.jface.viewers.ColumnWeightData; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.TableViewerColumn; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerFilter; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.SashForm; import org.eclipse.swt.custom.StyledText; import org.eclipse.swt.dnd.Clipboard; import org.eclipse.swt.dnd.TextTransfer; import org.eclipse.swt.dnd.Transfer; import org.eclipse.swt.events.KeyAdapter; import org.eclipse.swt.events.KeyEvent; import org.eclipse.swt.events.KeyListener; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.MouseEvent; import org.eclipse.swt.events.MouseListener; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.swt.widgets.TableItem; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.part.ViewPart; import scouter.client.Images; import scouter.client.model.TextProxy; import scouter.client.net.TcpProxy; import scouter.client.server.Server; import scouter.client.server.ServerManager; import scouter.client.sorter.ColumnLabelSorter; import scouter.client.util.ColoringWord; import scouter.client.util.ConsoleProxy; import scouter.client.util.CustomLineStyleListener; import scouter.client.util.ExUtil; import scouter.client.util.ImageUtil; import scouter.lang.pack.MapPack; import scouter.lang.value.ListValue; import scouter.net.RequestCmd; import scouter.util.CastUtil; import scouter.util.StringUtil; public class ConfigureView extends ViewPart { public final static String ID = ConfigureView.class.getName(); private ArrayList<ColoringWord> defaultHighlightings; private StyledText text; private String content; private int serverId; private int objHash; Composite listComp; TableViewer viewer; Table table; Text searchTxt; TableColumnLayout tableColumnLayout; private Clipboard clipboard = new Clipboard(null); CustomLineStyleListener listener; boolean devMode; public void createPartControl(Composite parent) { parent.setLayout(new FillLayout()); SashForm sashForm = new SashForm(parent, SWT.HORIZONTAL); sashForm.SASH_WIDTH = 1; initialStyledText(sashForm); listComp = new Composite(sashForm, SWT.NONE); listComp.setLayout(new GridLayout(1, true)); searchTxt = new Text(listComp, SWT.BORDER); searchTxt.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); searchTxt.setToolTipText("Search Key/Value"); searchTxt.addMouseListener(new MouseListener() { int clicked; public void mouseUp(MouseEvent arg0) { } public void mouseDown(MouseEvent arg0) { clicked++; if (clicked == 10) { devMode = true; viewer.refresh(); } } public void mouseDoubleClick(MouseEvent arg0) { } }); searchTxt.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { String searchText = searchTxt.getText(); if (StringUtil.isEmpty(searchText)) { viewer.setInput(configList); } else { searchText = searchText.toLowerCase(); List<ConfObject> tempList = new ArrayList<ConfObject>(); for (ConfObject data : configList) { String name = data.key.toLowerCase(); String value = data.value.toLowerCase(); if (name.contains(searchText) || value.contains(searchText)) { tempList.add(data); } } viewer.setInput(tempList); } } }); Composite tableComp = new Composite(listComp, SWT.NONE); tableComp.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); tableColumnLayout = new TableColumnLayout(); tableComp.setLayout(tableColumnLayout); viewer = new TableViewer(tableComp, SWT.MULTI | SWT.BORDER | SWT.WRAP | SWT.FULL_SELECTION | SWT.V_SCROLL | SWT.H_SCROLL); createColumns(); table = viewer.getTable(); table.setHeaderVisible(true); table.setLinesVisible(true); viewer.setContentProvider(new ArrayContentProvider()); viewer.setComparator(new ColumnLabelSorter(viewer)); viewer.addFilter(filter); table.addKeyListener(new KeyAdapter() { public void keyPressed(KeyEvent e) { if (e.stateMask == SWT.CTRL || e.stateMask == SWT.COMMAND) { if (e.keyCode == 'c' || e.keyCode == 'C') { TableItem[] items = table.getSelection(); if (items == null || items.length < 1) { return; } StringBuffer sb = new StringBuffer(); for (TableItem item : items) { sb.append(item.getText(0)); sb.append("="); sb.append(item.getText(1)); sb.append("\n"); } clipboard.setContents(new Object[] { sb.toString() }, new Transfer[] { TextTransfer.getInstance() }); } } } }); sashForm.setWeights(new int[] { 1, 1 }); sashForm.setMaximizedControl(null); initialToolBar(); } public void setInput(int serverId) { this.serverId = serverId; Server server = ServerManager.getInstance().getServer(serverId); if (server != null) { setPartName("Config Server[" + server.getName() + "]"); loadConfig(RequestCmd.GET_CONFIGURE_SERVER, null); loadConfigList(RequestCmd.LIST_CONFIGURE_SERVER, null); } } public void setInput(int serverId, int objHash) { this.serverId = serverId; this.objHash = objHash; Server server = ServerManager.getInstance().getServer(serverId); if (server != null) { setPartName("Config Agent[" + TextProxy.object.getText(objHash) + "]"); MapPack param = new MapPack(); param.put("objHash", objHash); loadConfig(RequestCmd.GET_CONFIGURE_WAS, param); loadConfigList(RequestCmd.LIST_CONFIGURE_WAS, param); } } private void initialStyledText(Composite parent) { text = new StyledText(parent, SWT.MULTI | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL); listener = new CustomLineStyleListener(true, defaultHighlightings, false); text.addLineStyleListener(listener); text.addKeyListener(new KeyListener() { public void keyReleased(KeyEvent e) { } public void keyPressed(KeyEvent e) { if (e.stateMask == SWT.CTRL || e.stateMask == SWT.COMMAND) { if (e.keyCode == 's' || e.keyCode == 'S') { saveConfigurations(); } else if (e.keyCode == 'a' || e.keyCode == 'A') { text.selectAll(); } } } }); } private void saveConfigurations() { TcpProxy tcp = TcpProxy.getTcpProxy(serverId); try { MapPack param = new MapPack(); param.put("setConfig", text.getText()); MapPack out = null; if (objHash == 0) { out = (MapPack) tcp.getSingle(RequestCmd.SET_CONFIGURE_SERVER, param); } else { param.put("objHash", objHash); out = (MapPack) tcp.getSingle(RequestCmd.SET_CONFIGURE_WAS, param); } if (out != null) { String config = out.getText("result"); if ("true".equalsIgnoreCase(config)) { MessageDialog.open(MessageDialog.INFORMATION, PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Success", "Configuration saving is done.", SWT.NONE); if (objHash == 0) { loadConfigList(RequestCmd.LIST_CONFIGURE_SERVER, null); } else { MapPack param2 = new MapPack(); param2.put("objHash", objHash); loadConfigList(RequestCmd.LIST_CONFIGURE_WAS, param2); } } else { MessageDialog.openError(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Error", "Configuration saving is failed."); } } } catch (Exception e) { ConsoleProxy.errorSafe(e.toString()); } finally { TcpProxy.putTcpProxy(tcp); } } private void initialToolBar() { IToolBarManager man = getViewSite().getActionBars().getToolBarManager(); man.add(new Action("Save", ImageUtil.getImageDescriptor(Images.save)) { public void run() { saveConfigurations(); } }); } private void loadConfig(final String requestCmd, final MapPack param) { ExUtil.asyncRun(new Runnable() { public void run() { MapPack mpack = null; TcpProxy tcp = TcpProxy.getTcpProxy(serverId); try { mpack = (MapPack) tcp.getSingle(requestCmd, param); } finally { TcpProxy.putTcpProxy(tcp); } if (mpack != null) { ListValue configKey = mpack.getList("configKey"); defaultHighlightings = new ArrayList<ColoringWord>(); for (int inx = 0; configKey != null && inx < configKey.size(); inx++) { defaultHighlightings.add(new ColoringWord(configKey.getString(inx), SWT.COLOR_BLUE, true)); } defaultHighlightings.add(new ColoringWord(";", SWT.COLOR_RED, true)); if (objHash == 0) { content = mpack.getText("serverConfig"); } else { content = mpack.getText("agentConfig"); } } ExUtil.exec(text, new Runnable() { public void run() { listener.setKeywordArray(defaultHighlightings); text.setText(content); } }); } }); } ArrayList<ConfObject> configList = new ArrayList<ConfObject>(); private void loadConfigList(final String requestCmd, final MapPack param) { ExUtil.asyncRun(new Runnable() { public void run() { MapPack pack = null; TcpProxy tcp = TcpProxy.getTcpProxy(serverId); try { pack = (MapPack) tcp.getSingle(requestCmd, param); } catch (Exception e) { e.printStackTrace(); } finally { TcpProxy.putTcpProxy(tcp); } if (pack != null) { final ListValue keyList = pack.getList("key"); final ListValue valueList = pack.getList("value"); final ListValue defaultList = pack.getList("default"); configList.clear(); for (int i = 0; i < keyList.size(); i++) { ConfObject obj = new ConfObject(); String key = CastUtil.cString(keyList.get(i)); String value = CastUtil.cString(valueList.get(i)); String def = CastUtil.cString(defaultList.get(i)); obj.key = key == null ? "" : key; obj.value = value == null ? "" : value; obj.def = def == null ? "" : def; configList.add(obj); } ExUtil.exec(listComp, new Runnable() { public void run() { searchTxt.notifyListeners(SWT.Modify, new Event()); } }); } } }); } public void setFocus() { IStatusLineManager slManager = getViewSite().getActionBars().getStatusLineManager(); slManager.setMessage("CTRL + S : save configurations, CTRL + A : select all text"); } private void createColumns() { for (ConfEnum column : ConfEnum.values()) { TableViewerColumn c = createTableViewerColumn(column.getTitle(), column.getWidth(), column.getAlignment(), column.isNumber()); ColumnLabelProvider labelProvider = null; switch (column) { case KEY: labelProvider = new ColumnLabelProvider() { public String getText(Object element) { if (element instanceof ConfObject) { return ((ConfObject) element).key; } return null; } }; break; case VALUE: labelProvider = new ColumnLabelProvider() { public String getText(Object element) { if (element instanceof ConfObject) { return ((ConfObject) element).value; } return null; } }; break; case DEFAULT: labelProvider = new ColumnLabelProvider() { public String getText(Object element) { if (element instanceof ConfObject) { return ((ConfObject) element).def; } return null; } }; break; } if (labelProvider != null) { c.setLabelProvider(labelProvider); } } } private TableViewerColumn createTableViewerColumn(String title, int width, int alignment, final boolean isNumber) { final TableViewerColumn viewerColumn = new TableViewerColumn(viewer, SWT.NONE); final TableColumn column = viewerColumn.getColumn(); column.setText(title); column.setAlignment(alignment); tableColumnLayout.setColumnData(column, new ColumnWeightData(30, width, true)); column.setData("isNumber", isNumber); column.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { ColumnLabelSorter sorter = (ColumnLabelSorter) viewer.getComparator(); TableColumn selectedColumn = (TableColumn) e.widget; sorter.setColumn(selectedColumn); } }); return viewerColumn; } ViewerFilter filter = new ViewerFilter() { public boolean select(Viewer viewer, Object parent, Object element) { if (devMode) return true; if (element instanceof ConfObject) { if (((ConfObject) element).key.startsWith("_")) { return false; } } return true; } }; }