archive/net.sourceforge.phpeclipse.quantum.sql/src/com/quantum/view/SQLLogView.java

   1 package com.quantum.view;
   2
   3 import com.quantum.Messages;
   4 import com.quantum.QuantumPlugin;
   5
   6 import org.eclipse.jface.action.Action;
   7 import org.eclipse.jface.action.IToolBarManager;
   8 import org.eclipse.swt.SWT;
   9 import org.eclipse.swt.custom.StyleRange;
  10 import org.eclipse.swt.custom.StyledText;
  11 import org.eclipse.swt.custom.StyledTextContent;
  12 import org.eclipse.swt.events.DisposeEvent;
  13 import org.eclipse.swt.events.DisposeListener;
  14 import org.eclipse.swt.graphics.Color;
  15 import org.eclipse.swt.widgets.Composite;
  16 import org.eclipse.ui.IActionBars;
  17 import org.eclipse.ui.IWorkbenchActionConstants;
  18 import org.eclipse.ui.part.ViewPart;
  19
  20 public class SQLLogView extends ViewPart implements LogConstants {
  21         private Color QUERY_COLOR;
  22         private Color WARNING_COLOR;
  23         private Color DEFAULT_COLOR;
  24         private Color ERROR_COLOR;
  25         private Color RESULTS_COLOR;
  26         private StyledText widget;
  27         private static SQLLogView instance = null;
  28         private static final String newLine = "\n"; //$NON-NLS-1$
  29         public static SQLLogView getInstance() {
  30                 return instance;
  31         }
  32
  33         public void createPartControl(Composite parent) {
  34                 instance = this;
  35                 QUERY_COLOR = new Color(parent.getShell().getDisplay(), 0, 255, 0);
  36                 ERROR_COLOR = new Color(parent.getShell().getDisplay(), 255, 0, 0);
  37                 RESULTS_COLOR = new Color(parent.getShell().getDisplay(), 0, 0, 255);
  38                 DEFAULT_COLOR = new Color(parent.getShell().getDisplay(), 0, 0, 0);
  39                 WARNING_COLOR = new Color(parent.getShell().getDisplay(), 255, 127, 0);
  40                 widget =  new StyledText(parent, SWT.H_SCROLL | SWT.V_SCROLL);
  41                 IActionBars bars = this.getViewSite().getActionBars();
  42                 bars.setGlobalActionHandler(IWorkbenchActionConstants.COPY, copyAction);
  43                 bars.setGlobalActionHandler(IWorkbenchActionConstants.SELECT_ALL, selectAllAction);
  44
  45                 IToolBarManager toolBar = getViewSite().getActionBars().getToolBarManager();
  46                 clearAction.setImageDescriptor(QuantumPlugin.getImageDescriptor("clear.gif")); //$NON-NLS-1$
  47                 clearAction.setToolTipText(Messages.getString("SQLLogView.ClearLog")); //$NON-NLS-1$
  48                 toolBar.add(clearAction);
  49
  50                 widget.setEditable(false);
  51
  52                 widget.addDisposeListener(new DisposeListener() {
  53                         public void widgetDisposed(DisposeEvent e) {
  54                                 instance = null;
  55                         }
  56                 });
  57         }
  58
  59     public void addText(int style, String text) {
  60         text = text + newLine;
  61         int start = widget.getText().length();
  62                 StyleRange styleRange = new StyleRange();
  63                 styleRange.start = start;
  64                 styleRange.length = text.length();
  65                 if (style == QUERY) {
  66                         styleRange.foreground = QUERY_COLOR;
  67                 } else if (style == ERROR) {
  68                         styleRange.foreground = ERROR_COLOR;
  69                 } else if (style == RESULTS) {
  70                         styleRange.foreground = RESULTS_COLOR;
  71                 } else if (style == WARNING) {
  72                         styleRange.foreground = WARNING_COLOR;
  73                 } else {
  74                         styleRange.foreground = DEFAULT_COLOR;
  75                 }
  76                 widget.append(text);
  77                 widget.setStyleRange(styleRange);
  78                 revealEndOfDocument();
  79     }
  80
  81         protected void revealEndOfDocument() {
  82                 StyledTextContent doc= widget.getContent();
  83                 int docLength= doc.getCharCount();
  84                 if (docLength > 0) {
  85                         widget.setCaretOffset(docLength);
  86                         widget.showSelection();
  87                 }
  88         }
  89
  90         public void setFocus() {
  91                 widget.setFocus();
  92         }
  93
  94         private Action copyAction = new Action() {
  95                 public void run() {
  96                         widget.copy();
  97                 }
  98         };
  99         private Action selectAllAction = new Action() {
 100                 public void run() {
 101                         widget.selectAll();
 102                 }
 103         };
 104         private Action clearAction = new Action() {
 105                 public void run() {
 106                         widget.setText(""); //$NON-NLS-1$
 107                 }
 108         };
 109 }