Java tutorial
/** * Tencent is pleased to support the open source community by making APT available. * Copyright (C) 2014 THL A29 Limited, a Tencent company. All rights reserved. * 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 com.tencent.wstt.apt.ui.views; import java.awt.BorderLayout; import java.awt.Frame; import java.awt.Panel; import java.io.File; import java.util.ArrayList; import java.util.Collections; import java.util.Comparator; import java.util.List; import java.util.Map; import java.util.Map.Entry; import javax.swing.JRootPane; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IToolBarManager; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.viewers.IStructuredContentProvider; import org.eclipse.jface.viewers.ITableLabelProvider; import org.eclipse.jface.viewers.LabelProvider; import org.eclipse.jface.viewers.TableViewer; import org.eclipse.jface.viewers.Viewer; import org.eclipse.swt.SWT; import org.eclipse.swt.awt.SWT_AWT; import org.eclipse.swt.custom.CTabFolder; import org.eclipse.swt.custom.CTabItem; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.graphics.Image; import org.eclipse.swt.layout.FillLayout; import org.eclipse.swt.layout.FormAttachment; import org.eclipse.swt.layout.FormData; import org.eclipse.swt.layout.FormLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.FileDialog; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.TableColumn; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.IActionBars; import org.eclipse.ui.part.ViewPart; import org.eclipse.ui.plugin.AbstractUIPlugin; import com.tencent.wstt.apt.chart.PieChart; import com.tencent.wstt.apt.data.Constant; import com.tencent.wstt.apt.data.PMAPDataItem; import com.tencent.wstt.apt.data.PieChartDataItem; import com.tencent.wstt.apt.util.MapUtil; import com.tencent.wstt.apt.util.PMAPFileParse; /** * @Description PMAP?viewpart * @date 20131110 ?6:14:13 * */ public class PMAPView extends ViewPart { public static final String ID = "com.tencent.wstt.apt.ui.views.PMAPView"; private Action openLogAction; private Group toolGroup = null; private Text showDataItemCountText = null; private CTabFolder rootTabFolder = null; public static final String[] COLUMN_NAME = { "Mapping", "PSS(kB)" }; public static final int[] COLUMN_WIDTH = { 400, 100 }; public PMAPView() { } @Override public void createPartControl(Composite parent) { parent.setLayout(new FormLayout()); //?? createToolGroup(parent); //?rootTab createRootTabFolder(parent); //??? createMenuAndToolBar(); } @Override public void setFocus() { } /** * ?? * @param parent */ private void createToolGroup(Composite parent) { FormData toolBarGroupFromData = new FormData(); toolBarGroupFromData.top = new FormAttachment(0, 5); toolBarGroupFromData.left = new FormAttachment(0, 5); toolBarGroupFromData.right = new FormAttachment(100, -5); toolBarGroupFromData.bottom = new FormAttachment(parent, 50);//?? toolGroup = new Group(parent, SWT.NONE); toolGroup.setLayoutData(toolBarGroupFromData); toolGroup.setLayout(new FillLayout(SWT.HORIZONTAL)); Label label = new Label(toolGroup, SWT.NONE | SWT.BOLD); label.setText("?"); label.setFont(new Font(parent.getDisplay(), "", 10, SWT.BOLD)); showDataItemCountText = new Text(toolGroup, SWT.BORDER); showDataItemCountText.setText("10"); } /** * ?action????? */ private void createMenuAndToolBar() { makeActions(); createLocalToolBar(); } /** * ? */ private void createLocalToolBar() { IActionBars bars = getViewSite().getActionBars(); IToolBarManager manager = bars.getToolBarManager(); manager.add(openLogAction); } /** * ?Action */ private void makeActions() { openLogAction = new Action() { public void run() { FileDialog dialog = new FileDialog(Display.getDefault().getActiveShell(), SWT.OPEN | SWT.MULTI); dialog.setFilterPath(Constant.LOG_FOLDER_ON_PC);//? String fileName = dialog.open();//(+??) if (fileName == null) { return; } String path = dialog.getFilterPath(); String[] fileNames = dialog.getFileNames(); int fileNum = fileNames.length; if (fileNum > 2) { MessageDialog.openInformation(Display.getDefault().getActiveShell(), "??", "???2pmap"); return; } PMAPFileParse parse = new PMAPFileParse(); if (fileNum == 1) { Map<String, Integer> pmapResult = null; if ((pmapResult = parse.parse(fileName)) == null) { return; } createCTabItem(fileNames[0], pmapResult); } else { String file1 = path + File.separator + fileNames[0]; String file2 = path + File.separator + fileNames[1]; Map<String, Integer> file1Map = parse.parse(file1); Map<String, Integer> file2Map = parse.parse(file2); if (file1Map == null || file2Map == null) { return; } Map<String, Integer> pmapResult = MapUtil.sub(file2Map, file1Map); createCTabItem(fileNames[0], file1Map); createCTabItem(fileNames[1], file2Map); createCTabItem(getMergeFileName(fileNames[0], fileNames[1]), pmapResult); } } }; openLogAction.setText("pmap"); openLogAction.setToolTipText("pmap"); openLogAction.setImageDescriptor( AbstractUIPlugin.imageDescriptorFromPlugin(Constant.PLUGIN_ID, "icons/open_pc.png")); } /** * ?tab * @param parent */ private void createRootTabFolder(Composite parent) { rootTabFolder = new CTabFolder(parent, SWT.TOP | SWT.CLOSE | SWT.BORDER); rootTabFolder.setTabHeight(20); rootTabFolder.setLayout(new FillLayout()); rootTabFolder.marginHeight = 10; rootTabFolder.marginWidth = 10; // ??? rootTabFolder.setMaximizeVisible(true); rootTabFolder.setMinimizeVisible(true); rootTabFolder.setSelectionBackground(parent.getDisplay().getSystemColor(SWT.COLOR_GRAY)); rootTabFolder.setSelectionForeground(parent.getDisplay().getSystemColor(SWT.COLOR_BLACK)); rootTabFolder.setUnselectedCloseVisible(true); rootTabFolder.pack(); FormData rootTabFormData = new FormData(); rootTabFormData.left = new FormAttachment(0, 5); rootTabFormData.right = new FormAttachment(100, -5); rootTabFormData.top = new FormAttachment(toolGroup, 5); rootTabFormData.bottom = new FormAttachment(100, -5); rootTabFolder.setLayoutData(rootTabFormData); } /** * ?tab,?? */ private void createCTabItem(String name, Map<String, Integer> pmap) { CTabItem item = new CTabItem(rootTabFolder, SWT.NONE); item.setText(name); Composite rootComposite = new Composite(rootTabFolder, SWT.NO_BACKGROUND | SWT.EMBEDDED); rootComposite.setLayout(new FillLayout(SWT.HORIZONTAL)); //? createChartPanel(rootComposite, pmap); //? createStatisticsTable(rootComposite, getTableDataFromMap(pmap)); item.setControl(rootComposite); rootTabFolder.setSelection(item); } /** * ? * @param parent * @param data */ private void createChartPanel(Composite parent, Map<String, Integer> data) { Composite composite = new Composite(parent, SWT.NO_BACKGROUND | SWT.EMBEDDED); Frame frame = SWT_AWT.new_Frame(composite); // ?Panel?? Panel panel = new Panel(new BorderLayout()) { private static final long serialVersionUID = 1L; public void update(java.awt.Graphics g) { /* Do not erase the background */ paint(g); } }; frame.add(panel); JRootPane root = new JRootPane(); panel.add(root); java.awt.Container contentPane = root.getContentPane(); PieChart chart = new PieChart(); int showItemNum = 0; try { showItemNum = Integer.parseInt(showDataItemCountText.getText()); } catch (NumberFormatException e) { e.printStackTrace(); showItemNum = 10; } chart.setDataset(getPieChartDataFromMap(data, showItemNum)); contentPane.add(chart); } /** * ??table * @param rootFrame * @param data */ private void createStatisticsTable(Composite rootFrame, Object[] data) { TableViewer viewer = new TableViewer(rootFrame, SWT.MULTI | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL); // for (int i = 0; i < COLUMN_NAME.length; i++) { new TableColumn(viewer.getTable(), SWT.RIGHT).setText(COLUMN_NAME[i]); viewer.getTable().getColumn(i).setWidth(COLUMN_WIDTH[i]); } //?? viewer.getTable().setHeaderVisible(true); viewer.getTable().setLinesVisible(true); viewer.setContentProvider(new ViewContentProvider()); viewer.setLabelProvider(new ViewLabelProvider()); viewer.setInput(data); } /** * ???? * */ class ViewContentProvider implements IStructuredContentProvider { public void inputChanged(Viewer v, Object oldInput, Object newInput) { } public void dispose() { } public Object[] getElements(Object parent) { return (Object[]) parent; } } /** * ?? * */ class ViewLabelProvider extends LabelProvider implements ITableLabelProvider { public String getColumnText(Object obj, int index) { return ((PMAPDataItem) obj).contents[index]; } public Image getColumnImage(Object obj, int index) { return null; } public Image getImage(Object obj) { return null; } } /** * ??? * @param fileName1 * @param fileName2 * @return */ private String getMergeFileName(String fileName1, String fileName2) { String result = null; int index = fileName2.lastIndexOf("_"); String dateStr = ".txt"; if (index != -1) { dateStr = fileName2.substring(index, fileName2.length()); } else { int dotIndex = fileName2.lastIndexOf("."); if (dotIndex == -1) { dotIndex = fileName2.length(); } dateStr = fileName2.substring(0, dotIndex); //APTConsoleFactory.getInstance().APTPrint(dateStr); } result = fileName1.replaceAll(".txt", dateStr); //APTConsoleFactory.getInstance().APTPrint(result); return result; } /** * ?? * @param sour * @return */ private Object[] getTableDataFromMap(Map<String, Integer> sour) { List<PMAPDataItem> list = new ArrayList<PMAPDataItem>(); /** * 0? */ for (Entry<String, Integer> entry : sour.entrySet()) { if (entry.getValue() != 0) { PMAPDataItem item = new PMAPDataItem(); item.contents[PMAPDataItem.NAME_INDEX] = entry.getKey(); item.contents[PMAPDataItem.VALUE_INDEX] = entry.getValue() + ""; list.add(item); } } Collections.sort(list, new Comparator<PMAPDataItem>() { @Override public int compare(PMAPDataItem arg0, PMAPDataItem arg1) { int val1 = Integer.parseInt(((PMAPDataItem) arg0).contents[PMAPDataItem.VALUE_INDEX]); int val2 = Integer.parseInt(((PMAPDataItem) arg1).contents[PMAPDataItem.VALUE_INDEX]); return (val2 - val1); } }); return list.toArray(); } /** * ?? * @param sour * @param showItemNum * @return */ private List<PieChartDataItem> getPieChartDataFromMap(Map<String, Integer> sour, int showItemNum) { List<PieChartDataItem> tempList = new ArrayList<PieChartDataItem>(); /** * 0? */ long sum = 0; for (Entry<String, Integer> entry : sour.entrySet()) { if (entry.getValue() > 0 && !entry.getKey().equalsIgnoreCase("total")) { PieChartDataItem item = new PieChartDataItem(); item.mapping = entry.getKey(); item.value = entry.getValue(); sum += (Integer) item.value; tempList.add(item); } } Collections.sort(tempList, new Comparator<PieChartDataItem>() { @Override public int compare(PieChartDataItem arg0, PieChartDataItem arg1) { int val0 = (Integer) arg0.value; int val1 = (Integer) arg1.value; return (val1 - val0); } }); int len = Math.min(showItemNum, tempList.size()); double subSum = 0; List<PieChartDataItem> result = new ArrayList<PieChartDataItem>(); for (int i = 0; i < len - 1; i++) { int curVal = (Integer) tempList.get(i).value; PieChartDataItem item = new PieChartDataItem(); item.mapping = tempList.get(i).mapping; item.value = (double) curVal / sum; subSum += (Double) item.value; result.add(item); } PieChartDataItem item = new PieChartDataItem(); item.mapping = "other"; item.value = 1 - subSum; result.add(item); return result; } }