Java tutorial
// ============================================================================ // // Copyright (C) 2006-2017 Talend Inc. - www.talend.com // // This source code is available under agreement available at // %InstallDIR%\features\org.talend.rcp.branding.%PRODUCTNAME%\%PRODUCTNAME%license.txt // // You should have received a copy of the agreement // along with this program; if not, write to Talend SA // 9 rue Pages 92150 Suresnes, France // // ============================================================================ package com.amalto.workbench.dialogs; import java.io.File; import java.io.PrintWriter; import java.io.StringWriter; import java.util.Set; import java.util.TreeMap; import java.util.regex.Matcher; import java.util.regex.Pattern; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.eclipse.core.resources.IFile; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.text.Document; import org.eclipse.jface.text.source.SourceViewer; import org.eclipse.jface.text.source.VerticalRuler; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; 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.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.browser.IWorkbenchBrowserSupport; import org.eclipse.ui.editors.text.TextSourceViewerConfiguration; import org.eclipse.ui.internal.browser.WebBrowserPreference; import com.amalto.workbench.editors.TransformerMainPage; import com.amalto.workbench.i18n.Messages; import com.amalto.workbench.utils.FileProvider; import com.amalto.workbench.webservices.WSExtractedContent; public class ProcessResultsDialog extends Dialog { private static Log log = LogFactory.getLog(ProcessResultsDialog.class); private final static int BUTTON_CLOSE = 10; private static final String DEFAULT_DISPLAY_TEXT = Messages.ProcessResultsDialog_DefaultDisplayText; protected Combo variablesCombo; protected SourceViewer variablesViewer; protected String title; protected TreeMap<String, WSExtractedContent> resultsMap = null; /** * @param parentShell */ public ProcessResultsDialog(Shell parentShell, String title, TreeMap<String, WSExtractedContent> map) { super(parentShell); this.title = title; this.resultsMap = map; setShellStyle(getShellStyle() | SWT.RESIZE | SWT.MAX); } @Override protected Control createDialogArea(Composite parent) { try { parent.getShell().setText(title); Composite composite = (Composite) super.createDialogArea(parent); GridLayout layout = (GridLayout) composite.getLayout(); layout.numColumns = 2; ((GridData) composite.getLayoutData()).widthHint = 800; Label variableLabel = new Label(composite, SWT.NONE); variableLabel.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, true, true, 1, 1)); variableLabel.setText(Messages.ProcessResultsDialog_PipelineVariables); variablesCombo = new Combo(composite, SWT.DROP_DOWN | SWT.READ_ONLY); variablesCombo.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, true, 1, 1)); /* * variablesCombo.addKeyListener( new KeyListener() { public void keyPressed(KeyEvent e) {} public void * keyReleased(KeyEvent e) { if ((e.stateMask==0) && (e.character == SWT.CR)) { * ProcessResultsPage.this.variablesViewer.setDocument(new Document(getText(variablesCombo.getText()))); } * }//keyReleased }//keyListener ); */ variablesViewer = new SourceViewer(composite, new VerticalRuler(10), SWT.V_SCROLL | SWT.H_SCROLL); variablesViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, true, 2, 1)); variablesViewer.configure(new TextSourceViewerConfiguration()); ((GridData) variablesViewer.getControl().getLayoutData()).minimumHeight = 500; final Button seeInBrowser = new Button(composite, SWT.PUSH); seeInBrowser.setText(Messages.ProcessResultsDialog_display); seeInBrowser.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { String htmlContent = variablesViewer.getTextWidget().getText(); IFile file = FileProvider.createdTempFile(htmlContent, Messages.ProcessResultsDialog_temphtml, null); File htmlFile = file.getLocation().toFile(); String SHARED_ID = "org.eclipse.ui.browser"; //$NON-NLS-1$ try { IWorkbenchBrowserSupport support = PlatformUI.getWorkbench().getBrowserSupport(); if (WebBrowserPreference.getBrowserChoice() == WebBrowserPreference.INTERNAL) { support.createBrowser(IWorkbenchBrowserSupport.AS_EDITOR, file.getLocation().toPortableString(), null, null).openURL(htmlFile.toURL()); } else { support.createBrowser(IWorkbenchBrowserSupport.AS_EXTERNAL, SHARED_ID, null, null) .openURL(htmlFile.toURL()); } } catch (Exception e1) { log.error(e1.getMessage(), e1); } } }); variablesCombo.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { String output = variablesCombo.getText(); if (output.startsWith(TransformerMainPage.DEFAULT_DISPLAY)) { output = DEFAULT_DISPLAY_TEXT;// TransformerMainPage.DEFAULT_VAR+output.substring(TransformerMainPage.DEFAULT_DISPLAY.length()); } String text = variablesCombo.getText(); if (text.equals(DEFAULT_DISPLAY_TEXT)) { text = TransformerMainPage.DEFAULT_DISPLAY; } variablesViewer.setDocument(new Document(getText(text))); seeInBrowser.setEnabled("html".equals(text)); //$NON-NLS-1$ } }); variablesCombo.setFocus(); refreshData(); return composite; } catch (Exception e) { log.error(e.getMessage(), e); MessageDialog.openError(this.getShell(), Messages._Error, Messages.bind(Messages.ProcessResultsDialog_ErrorMsg, e.getLocalizedMessage())); return null; } } @Override protected void createButtonsForButtonBar(Composite parent) { createButton(parent, BUTTON_CLOSE, Messages.ProcessResultsDialog_Close, false); } @Override protected void buttonPressed(int buttonId) { switch (buttonId) { case BUTTON_CLOSE: this.close(); } } private static Pattern p = Pattern.compile(".*charset\\s*=[\"|']?(.+)[\"|']([\\s|;].*)?");//$NON-NLS-1$ protected String getText(String output) { WSExtractedContent ct = resultsMap.get(output); if (ct == null) { return "";//$NON-NLS-1$ } String contentType = ct.getContentType(); byte[] bytes = ct.getWsByteArray().getBytes(); if (bytes == null) { return "";//$NON-NLS-1$ } // extract charset String charset = "UTF8";//$NON-NLS-1$ Matcher m = p.matcher(contentType); if (m.matches()) { charset = m.group(1).trim().toUpperCase(); } if ("UTF-8".equals(charset)) { charset = "UTF8";//$NON-NLS-1$ } // display try { return new String(bytes, charset); } catch (Exception ex) { StringWriter sw = new StringWriter(); ex.printStackTrace(new PrintWriter(sw)); return Messages.bind(Messages.ProcessResultsDialog_ErrorContent, contentType, sw.toString()); } } protected void refreshData() { try { Set<String> outputs = resultsMap.keySet(); for (Object element : outputs) { String output = (String) element; if (output.startsWith(TransformerMainPage.DEFAULT_VAR)) { output = DEFAULT_DISPLAY_TEXT;// TransformerMainPage.DEFAULT_DISPLAY+output.substring(TransformerMainPage.DEFAULT_VAR.length()); } variablesCombo.add(output); } variablesCombo.select(0); String text = variablesCombo.getText(); if (text.equals(DEFAULT_DISPLAY_TEXT)) { text = TransformerMainPage.DEFAULT_DISPLAY; } variablesViewer.setDocument(new Document(getText(text))); } catch (Exception e) { log.error(e.getMessage(), e); MessageDialog.openError(this.getShell(), Messages.ProcessResultsDialog_ErrorTitle, Messages.bind(Messages.ProcessResultsDialog_ErrorMsg1, e.getLocalizedMessage())); } } }