Java tutorial
/* * Copyright 2015 LG CNS. * * 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 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.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.layout.FillLayout; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Table; import org.eclipse.swt.widgets.TableItem; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.part.ViewPart; import scouter.client.Images; import scouter.client.net.TcpProxy; import scouter.client.server.Server; import scouter.client.server.ServerManager; import scouter.client.util.ChartUtil; import scouter.client.util.ColoringWord; import scouter.client.util.ConsoleProxy; import scouter.client.util.ExUtil; import scouter.client.util.ImageUtil; import scouter.client.util.CustomLineStyleListener; import scouter.client.util.UIUtil; import scouter.lang.pack.MapPack; import scouter.lang.value.ListValue; import scouter.net.RequestCmd; import scouter.util.CastUtil; public class ConfigureServerView extends ViewPart { public final static String ID = ConfigureServerView.class.getName(); private ArrayList<ColoringWord> defaultHighlightings; private StyledText text; private String serverConfig; private int serverId; Composite listComp; Table table; private Clipboard clipboard = new Clipboard(null); CustomLineStyleListener listener; 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(ChartUtil.gridlayout(1)); table = new Table(listComp, SWT.MULTI | SWT.BORDER | SWT.WRAP | SWT.FULL_SELECTION | SWT.V_SCROLL | SWT.H_SCROLL); table.setLayoutData(new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL)); table.setHeaderVisible(true); table.setLinesVisible(true); UIUtil.create(table, SWT.LEFT, "Key", 3, 0, false, 200); UIUtil.create(table, SWT.CENTER, "Value", 3, 1, false, 100); UIUtil.create(table, SWT.CENTER, "Def.", 3, 2, false, 100); table.addKeyListener(new KeyAdapter() { public void keyPressed(KeyEvent e) { if (e.stateMask == SWT.CTRL) { 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(); loadConfigList(); } } 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) { if (e.keyCode == 's') { saveConfigurations(); } else if (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 = (MapPack) tcp.getSingle(RequestCmd.SET_CONFIGURE_SERVER, 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); loadConfigList(); } 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() { ExUtil.asyncRun(new Runnable() { public void run() { MapPack mpack = null; TcpProxy tcp = TcpProxy.getTcpProxy(serverId); try { mpack = (MapPack) tcp.getSingle(RequestCmd.GET_CONFIGURE_SERVER, null); } 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)); serverConfig = mpack.getText("serverConfig"); } ExUtil.exec(text, new Runnable() { public void run() { listener.setKeywordArray(defaultHighlightings); text.setText(serverConfig); } }); } }); } private void loadConfigList() { ExUtil.asyncRun(new Runnable() { public void run() { MapPack pack = null; TcpProxy tcp = TcpProxy.getTcpProxy(serverId); try { pack = (MapPack) tcp.getSingle(RequestCmd.LIST_CONFIGURE_SERVER, null); } 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"); ExUtil.exec(listComp, new Runnable() { public void run() { table.removeAll(); for (int i = 0; i < keyList.size(); i++) { TableItem item = new TableItem(table, SWT.NONE); item.setText(new String[] { CastUtil.cString(keyList.get(i)), CastUtil.cString(valueList.get(i)), CastUtil.cString(defaultList.get(i)) }); } listComp.layout(); } }); } } }); } public void setFocus() { IStatusLineManager slManager = getViewSite().getActionBars().getStatusLineManager(); slManager.setMessage("CTRL + S : save configurations, CTRL + A : select all text"); } }