[Sqlshell-svn] /devel/src/main/java/nl/improved/sqlclient/charva

[SVN by r. <sv...@ca...>]

Author: roy
Date: 2008-11-09 22:16:45 +0100 (Sun, 09 Nov 2008)
New Revision: 329

Modified:
   src/main/java/nl/improved/sqlclient/charva/SQLShellComponent.java
Log:
implement 'non native' paste and copy methods using mouse


Modified: src/main/java/nl/improved/sqlclient/charva/SQLShellComponent.java
===================================================================
--- src/main/java/nl/improved/sqlclient/charva/SQLShellComponent.java	2008-11-09 21:07:33 UTC (rev 328)
+++ src/main/java/nl/improved/sqlclient/charva/SQLShellComponent.java	2008-11-09 21:16:45 UTC (rev 329)
@@ -14,10 +14,13 @@
 import charvax.swing.JTextArea;
 import java.awt.datatransfer.Clipboard;
 import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.Transferable;
 import java.awt.datatransfer.UnsupportedFlavorException;
 import java.io.IOException;
 import java.util.logging.Level;
 import java.util.logging.Logger;
+import nl.improved.sqlclient.SQLProperties;
+import nl.improved.sqlclient.SQLUtil;
 
 /**
  *
@@ -26,6 +29,7 @@
 public class SQLShellComponent extends JTextArea {
 
     private CharvaSQLShellWindow sqlshellWindow = new CharvaSQLShellWindow(this);
+    private Point startPos;
 
     public SQLShellComponent() {
         setEditable(false);
@@ -37,24 +41,106 @@
         sqlshellWindow.keyTyped(evt);
     }
 
+    void setSelection(int pStart, int pEnd) {
+        if (!"all".equals(SQLProperties.getProperty(SQLProperties.PropertyName.MOUSE_HANDLING))) {
+            return;
+        }
+        int start, end;
+        if (pEnd < pStart) {
+            end = pStart;
+            start = pEnd;
+        } else {
+            start = pStart;
+            end = pEnd;
+        }
+        end = Math.min(getText().length(), end);
+        sqlshellWindow.debug("SET SELECTION: "+ start +" -> "+ end);
+        sqlshellWindow.debug("SET TO CLIPBOARD: "+ getText().substring(start, end));
+        Clipboard clipBoard = java.awt.Toolkit.getDefaultToolkit().getSystemClipboard();
+        final String text = getText().substring(start, Math.min(getText().length(), end));
+        Transferable tf = new Transferable() {
+
+            public DataFlavor[] getTransferDataFlavors() {
+                return new DataFlavor[] {DataFlavor.stringFlavor};
+            }
+
+            public boolean isDataFlavorSupported(DataFlavor flavor) {
+                return DataFlavor.stringFlavor == flavor;
+            }
+
+            public Object getTransferData(DataFlavor flavor) throws UnsupportedFlavorException, IOException {
+                return text;
+            }
+        };
+        clipBoard.setContents(tf, null);
+    }
+
     @Override
     public void processMouseEvent(MouseEvent evt) {
         super.processMouseEvent(evt);
-        if (evt.getModifiers() == evt.MOUSE_PRESSED) {
-            if (evt.getButton() == MouseEvent.BUTTON2) {
-                Clipboard clipBoard = java.awt.Toolkit.getDefaultToolkit().getSystemClipboard();
-                try {
-                    String clipBoardContents = (String) clipBoard.getData(DataFlavor.stringFlavor);
-                    //sqlshellWindow.debug(clipBoardContents);
-                    sqlshellWindow.insertText(clipBoardContents);
-                    sqlshellWindow.repaintScreen();
-                } catch (UnsupportedFlavorException ex) {
-                    Logger.getLogger(SQLShellComponent.class.getName()).log(Level.SEVERE, null, ex);
-                } catch (IOException ex) {
-                    Logger.getLogger(SQLShellComponent.class.getName()).log(Level.SEVERE, null, ex);
+        if (evt.getModifiers() == MouseEvent.MOUSE_CLICKED) {
+            if (evt.getButton() == MouseEvent.BUTTON1) {
+                if (evt.getClickCount() == 2) { // double click.. select word under char
+                    try {
+                        int line  = getLineStartOffset(evt.getY()-1);
+                        String text = getText();
+                        int start, end;
+                        for (start = line + evt.getX(); start > 0; start--) {
+                            if (SQLUtil.isBreakCharacter(text.charAt(start))) {
+                                break;
+                            }
+                        }
+                        for (end = line + evt.getX(); end < text.length(); end++) {
+                            if (SQLUtil.isBreakCharacter(text.charAt(end))) {
+                                break;
+                            }
+                        }
+                        setSelection(start, end);
+                    } catch(Exception e) { }
                 }
-
             }
+        } else if (evt.getModifiers() == MouseEvent.MOUSE_PRESSED) {
+            sqlshellWindow.debug("PRESSED");
+            if (evt.getButton() == MouseEvent.BUTTON1) {
+                if (startPos == null) {
+                    startPos = new Point(evt.getX()-1, evt.getY()-1);
+                } else {
+                    try {
+                        Point endPos = new Point(evt.getX()-1, evt.getY()-1);
+                        int start = getLineStartOffset(startPos.y) + startPos.x;
+                        int end = getLineStartOffset(endPos.y) + endPos.x;
+                        setSelection(start, end);
+                        startPos = null;
+                    } catch(Exception e) {}
+                }
+            }
+            if (evt.getButton() == MouseEvent.BUTTON2) { // paste from clipboard
+                String mouseHandling = SQLProperties.getProperty(SQLProperties.PropertyName.MOUSE_HANDLING);
+                if ("all".equals(mouseHandling) || "paste".equals(mouseHandling)) {
+                    Clipboard clipBoard = java.awt.Toolkit.getDefaultToolkit().getSystemClipboard();
+                    try {
+                        String clipBoardContents = (String) clipBoard.getData(DataFlavor.stringFlavor);
+                        //sqlshellWindow.debug(clipBoardContents);
+                        sqlshellWindow.insertText(clipBoardContents);
+                        sqlshellWindow.repaintScreen();
+                    } catch (UnsupportedFlavorException ex) {
+                        Logger.getLogger(SQLShellComponent.class.getName()).log(Level.SEVERE, null, ex);
+                    } catch (IOException ex) {
+                        Logger.getLogger(SQLShellComponent.class.getName()).log(Level.SEVERE, null, ex);
+                    }
+                }
+            }
+        } else if (evt.getModifiers() == MouseEvent.MOUSE_RELEASED) {
+            sqlshellWindow.debug("RELEASED: " + startPos);
+            Point endPos = new Point(evt.getX()-1, evt.getY()-1);
+            if (startPos != null) {
+                try {
+                    int start = getLineStartOffset(startPos.y) + startPos.x;
+                    int end = getLineStartOffset(endPos.y) + endPos.x;
+                    setSelection(start, end);
+                    startPos = null;
+                } catch(Exception e) { /* ignore */ }
+            }
         }
     }