fpoint.java

来自「一个简单的visio程序。」· Java 代码 · 共 543 行 · 第 1/2 页

            if (isFocusPoint(object)) {
                setMoveCursor(object);
            }
		}

		public void mousePressed(java.awt.event.MouseEvent event) {
            FocusPoint_MousePress(event);
		}

		public void mouseReleased(java.awt.event.MouseEvent event) {
            FocusPoint_MouseRelease(event);
        }
	}

	public void FocusPoint_MouseExited(MouseEvent event) {
    	       if (isDrag) {
    	           isDrag = false;
        	       Component comp = event.getComponent();
                   int x = event.getX() + comp.getLocation().x;
                   int y = event.getY() + comp.getLocation().y;
                    event = new MouseEvent(formPanel,
                                event.MOUSE_MOVED,
                                event.getWhen(),
                                event.getModifiers(),x,y,
                                event.getClickCount(),
                                event.isPopupTrigger());
                    formPanel.dispatchEvent(event);
               }
	}
	
	void FocusPoint_MousePress(MouseEvent event) {
 	     Object  object = event.getSource();
 	     if (isFocusPoint(object)) {
 	         fPoint = object;
     	     Component comp = event.getComponent();
     	     formPanel.startx = event.getX() + comp.getLocation().x;
     	     formPanel.starty = event.getY() + comp.getLocation().y;
     	     formPanel.endx   = formPanel.startx;
     	     formPanel.endy   = formPanel.starty;
     	     
     	     formPanel.resizeChild      = focusComponent;
     	     formPanel.moveChild        = null;
     	     formPanel.pForm.pContainer = focusComponent.getParent();
    	     setPressCursor(object);

             int  rightKey = event.getModifiers();
             if  (rightKey == InputEvent.BUTTON1_MASK) {
    	          setVisible(false);
    	          formPanel.leftKey = true;
    	     }
	     }
	}

	void FocusPoint_MouseRelease(MouseEvent event) {
        Object  object = event.getSource();
        Component comp = event.getComponent();

        endx = event.getX();
        endy = event.getY();

        int x = endx + comp.getLocation().x;
        int y = endy + comp.getLocation().y;
        if (isFocusPoint(object)) {
            disPatchEvent(event,x,y);
	    }
    }

	//dispatch event to formPanel.
	private void disPatchEvent(MouseEvent event,int x,int y) {
            event = new MouseEvent(formPanel,
                                   event.getID(),
                                   event.getWhen(),
                                   event.getModifiers(),x,y,
                                   event.getClickCount(),
                                   event.isPopupTrigger());
            formPanel.dispatchEvent(event);
    }

	//---set focus point location------------------------------------
	private static void setLocation(Rectangle compRec) {

	            int x = compRec.x;
	            int y = compRec.y;

	            int width = compRec.width;
	            int height= compRec.height;

	            //--1--------- North-West
                int nwx  = x - 7;
                int nwy  = y - 7;
                nwPoint.setLocation(nwx,nwy);

                //--2--------- North-East
                int nex  = x + width;
                int ney  = y - 7;
                //--3--------- South-West
                int swx  = x - 7;
                int swy  = y + height;
                //--4--------- South-East
                int sex  = x + width;
                int sey  = y + height;

                //--5--------- North
                int nx   = x + width/2 - 2 - 1;
                int ny   = y -7;

                //--6--------- East
                int ex   = x + width;
                int ey   = y + height/2-2;

                //--7--------  South
                int sx   = x + width/2 - 2 -1;
                int sy   = y + height;

                //--8--------- West
                int wx   = x - 7;
                int wy   = y + height/2-2;

                //-------set location of point--------------------------
                nwPoint.setLocation(nwx,nwy);
                nePoint.setLocation(nex,ney);
                swPoint.setLocation(swx,swy);
                sePoint.setLocation(sex,sey);

                nPoint.setLocation(nx,ny);
                ePoint.setLocation(ex,ey);
                sPoint.setLocation(sx,sy);
                wPoint.setLocation(wx,wy);
	}//end of setLocation.

    public static boolean cursorCheck() {
        if (cursor == nResizeCursor  ||
            cursor == wResizeCursor  ||
            cursor == sResizeCursor  ||
            cursor == eResizeCursor  ||
            cursor == nwResizeCursor ||
            cursor == neResizeCursor ||
            cursor == swResizeCursor ||
            cursor == seResizeCursor) {
                return true;
            }
            return false;
     } //end of curosrCheck. 

	//-----Component Resize------------------------------------------
	//           North
    //  wn  +------+------+  ne
    //      |             |
    // West +             +  East
    //      |             |
    //  ws  +------+------+  se
    //           South
    public  static Rectangle getSizeBox(FormPanel form,int mx, int my) {

            Rectangle rec = form.resizeChild.getBounds();
        	int x  = form.getBox(form.resizeChild,form).x;
        	int y  = form.getBox(form.resizeChild,form).y;
        	int w  = rec.width;
        	int h  = rec.height;
        	Dimension minSize = null;
            int newheight=y+h;
            int newwidth =x+w;
        	try {
                minSize = form.resizeChild.getMinimumSize();
            }catch(Exception e) {}
            if (minSize != null) {
                newheight=y+h-minSize.height;
                newwidth =x+w-minSize.width;
            }
        	if (cursor == nwResizeCursor) {
        	    w = w - mx;
        	    h = h - my;
        	    x = x + mx;
        	    y = y + my;
    	       if (y >= newheight) {
                   y = newheight;
                }
               if (x >= newwidth) {
                   x = newwidth;
               }
            } else if (cursor == swResizeCursor){
        	    w = w - mx;
        	    h = my + h;
        	    x = x + mx;
        	    if (x >= newwidth) {
        	        x = newwidth;
        	    }
            } else if (cursor == neResizeCursor){
        	    w = mx + w;
        	    h = h - my;
        	    y = y + my;
        	    if (y >= newheight) {
        	        y = newheight;
        	    }
            } else if (cursor == seResizeCursor){
        	    w = mx + w;
        	    h = my + h;
        	} else if (cursor == nResizeCursor){
        	       h = h - my;
                   y = y + my;
                   if (y >= newheight) {
                       y=newheight;
                   }
        	} else if (cursor == sResizeCursor) {
            	    h = my + h;
        	} else if (cursor == wResizeCursor){
                    w = w - mx;
                    x = x + mx;
                    if (x >= newwidth)  {
                        x=newwidth;
                    }
           } else if (cursor == eResizeCursor){
            	    w = w + mx;
           }

           if (minSize != null) {
                if (h < minSize.height ) {
                    h = minSize.height;
                }
                if (w < minSize.width) {
                    w = minSize.width;
                }
           }
           return new Rectangle(x, y, w, h);
     }//end of getSizeBox.
    //---Focus Point-------------------------------------------------
    public static transient FocusPoint  nwPoint  = null;  //North-West
    public static transient FocusPoint  nePoint  = null;  //North-East
    public static transient FocusPoint  swPoint  = null;  //North-West
    public static transient FocusPoint  sePoint  = null;  //South-East
    public static transient FocusPoint  nPoint   = null;  //North
    public static transient FocusPoint  ePoint   = null;  //East
    public static transient FocusPoint  sPoint   = null;  //South
    public static transient FocusPoint  wPoint   = null;  //Weast
    
    public static transient Object      fPoint = null;

    //---Resize Cursor--------------------------------------------------
    public static  transient Cursor nwResizeCursor  = Cursor.getPredefinedCursor(Cursor.NW_RESIZE_CURSOR);
    public static  transient Cursor neResizeCursor  = Cursor.getPredefinedCursor(Cursor.NE_RESIZE_CURSOR);
    public static  transient Cursor swResizeCursor  = Cursor.getPredefinedCursor(Cursor.SW_RESIZE_CURSOR);
    public static  transient Cursor seResizeCursor  = Cursor.getPredefinedCursor(Cursor.SE_RESIZE_CURSOR);
    public static  transient Cursor nResizeCursor   = Cursor.getPredefinedCursor(Cursor.N_RESIZE_CURSOR);
    public static  transient Cursor eResizeCursor   = Cursor.getPredefinedCursor(Cursor.E_RESIZE_CURSOR);
    public static  transient Cursor sResizeCursor   = Cursor.getPredefinedCursor(Cursor.S_RESIZE_CURSOR);
    public static  transient Cursor wResizeCursor   = Cursor.getPredefinedCursor(Cursor.W_RESIZE_CURSOR);

    //---crosshair Cursor--------------------------------------------------
    public static transient Cursor crosshairCursor = Cursor.getPredefinedCursor(Cursor.CROSSHAIR_CURSOR);

    //---default Cursor--------------------------------------------------
    public static transient Cursor defaultCursor   = Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR);

    //---Resize Cursor----------------------------------------------------
    public static transient Cursor resizeCursor    = defaultCursor;
    public static transient Cursor cursor          = defaultCursor;

    //---Resize ----------------------------------------------------------
    public static transient int    startx          = 0;
    public static transient int    starty          = 0;

    private static transient int    endx            = 0;
    private static transient int    endy            = 0;

    public static  transient Rectangle  reSizeRec;
    private static transient Component  focusComponent = null;
    private FormPanel formPanel;

    private boolean isDrag = false;
}//end of JFocusPoint.