*** empty log message ***

flowcomposer/src/fr/fluxmedia/flowcomposer/FlowComposer.java

 /**
  *
- *$Id: FlowComposer.java,v 1.31 2002-05-30 16:20:40 frederic Exp $
+ *$Id: FlowComposer.java,v 1.32 2002-05-31 13:36:30 frederic Exp $
  *
  * Transmorpher
  *
@@ -677,7 +677,10 @@ public class FlowComposer extends JPanel  implements GraphModelListener,
            }
 
 
-
+    public void setScale(double scale) {
+      scale = Math.max(Math.min(scale, 1024), .01);
+      setScale(scale);
+    }
 
 
     public String getFileName()
@@ -797,9 +800,9 @@ public class FlowComposer extends JPanel  implements GraphModelListener,
         new PortRightAction(this),
         new PortLeftAction(this),
         new LoadAction(this),
-        new ZoomInAction(),
+        new ZoomInAction(this),
         new ZoomAction(),
-        new ZoomOutAction(),
+        new ZoomOutAction(this),
         new ImportAction(),
         new ExportAction(),
         new SaveAction(),
@@ -1102,7 +1105,7 @@ public class FlowComposer extends JPanel  implements GraphModelListener,
         private FlowComposer flow;
         LoadAction(FlowComposer flow) {
             super("load"+actionSuffix);
-            flow=flow;
+            this.flow=flow;
         }
 
         public void actionPerformed(ActionEvent e) {
@@ -1127,7 +1130,7 @@ public class FlowComposer extends JPanel  implements GraphModelListener,
         private FlowComposer flow;
         PortRightAction(FlowComposer flow) {
             super("portright"+actionSuffix);
-            flow=flow;
+            this.flow=flow;
         }
 
         public void actionPerformed(ActionEvent e) {
@@ -1139,7 +1142,7 @@ public class FlowComposer extends JPanel  implements GraphModelListener,
         private FlowComposer flow;
         PortLeftAction(FlowComposer flow) {
             super("portleft"+actionSuffix);
-            flow=flow;
+            this.flow=flow;
         }
 
         public void actionPerformed(ActionEvent e) {
@@ -1160,27 +1163,34 @@ public class FlowComposer extends JPanel  implements GraphModelListener,
        }
 
        class ZoomInAction extends AbstractAction {
-
-           ZoomInAction() {
+           private FlowComposer flow;
+           ZoomInAction(FlowComposer flow) {
                super("zoomIn"+actionSuffix);
                setEnabled(true);
+               this.flow=flow;
            }
 
            public void actionPerformed(ActionEvent e) {
-
+             double s = (flow.getGraph()).getScale();
+             (flow.getGraph()).setScale((flow.getGraph()).getScale()+0.5);
+             if ((flow.getGraph()).getSelectionCell() != null)
+                (flow.getGraph()).scrollCellToVisible((flow.getGraph()).getSelectionCell());
            }
-       }
+     }
 
 
     class ZoomOutAction extends AbstractAction {
-
-              ZoomOutAction() {
+          private FlowComposer flow;
+              ZoomOutAction(FlowComposer flow) {
                   super("zoomOut"+actionSuffix);
                   setEnabled(true);
+                  this.flow=flow;
               }
 
               public void actionPerformed(ActionEvent e) {
-
+              (flow.getGraph()).setScale((flow.getGraph()).getScale()-0.5);
+                if ((flow.getGraph()).getSelectionCell() != null)
+                (flow.getGraph()).scrollCellToVisible((flow.getGraph()).getSelectionCell());
               }
           }