Package net.sf.jaxodraw.gui

Class JaxoCanvas

    • Nested Class Summary

      • Nested classes/interfaces inherited from class javax.swing.JComponent

        javax.swing.JComponent.AccessibleJComponent

      • Nested classes/interfaces inherited from class java.awt.Container

        java.awt.Container.AccessibleAWTContainer

      • Nested classes/interfaces inherited from class java.awt.Component

        java.awt.Component.AccessibleAWTComponent, java.awt.Component.BaselineResizeBehavior, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

    • Constructor Summary

      Constructors 
      Constructor Description
      JaxoCanvas​(java.awt.event.ActionListener listener)
      Constructs a new canvas.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void clear()
      Clears the drawing area.
      void continueEdit​(java.awt.Point p, java.awt.Point last)
      Continue an edit actione that has been initiated before.
      void continueSelect​(java.awt.Point p)
      Carry on a select action that was started previously.
      protected void deleteMarkedObjects()
      Deletes all 'marked' objects from the drawing area and the current canvas graph.
      void editNearestObject​(java.awt.Point p)
      Determine the closest object to the given point and bring up an edit panel for it.
      void finalizeEdit()
      Finalize a user input action.
      void finalizeSelect​(java.awt.Point p)
      End a select action.
      void groupMarkedObjects()
      Groups the currently marked objects.
      void initiateEdit​(java.awt.Point p)
      Start an edit action at a given point.
      void initiateSelect​(java.awt.Point p)
      Start a select action.
      void markImageInvalid​(java.awt.Rectangle boundingBox)
      Mark the specified region as invalid.
      void moveSelection​(boolean backGround)
      Moves the currently selected objects into either fore- or background.
      protected void paintComponent​(java.awt.Graphics g)
      Paint the Canvas.
      void pasteFromClipboard()
      Paste the objects currently on the clipboard.
      protected void printComponent​(java.awt.Graphics gr)
      Print the Canvas.
      protected void rebuildImage()
      Build a new off-screen image.
      void refresh()
      Refresh the canvas.
      protected void revalidateCanvas()
      Resets the preferred size of the canvas.
      void setCanvasGraph​(JaxoGraph value)
      Sets the current graph.
      void ungroupMarkedObjects()
      Ungroup all marked objects.
      void ungroupSelectedObject()
      If the selected object is a group, ungroup it.
      void updateMode​(int mode)
      Resets canvas parameters for the given mode.
      void updatePointsAid​(java.awt.Point p)
      Updates the visual aid that is painted for objects in click-move mode.

      • Methods inherited from class javax.swing.JComponent

        addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getUI, getUIClassID, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, paramString, print, printAll, printBorder, printChildren, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update, updateUI

      • Methods inherited from class java.awt.Container

        add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, validate, validateTree

      • Methods inherited from class java.awt.Component

        action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getAccessibleContext, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setMixingCutoutShape, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

    • Constructor Detail

      • JaxoCanvas

        public JaxoCanvas​(java.awt.event.ActionListener listener)
        Constructs a new canvas.
        Parameters:
        listener - An ActionListener to receive events from the Canvas.

    • Method Detail

      • markImageInvalid

        public void markImageInvalid​(java.awt.Rectangle boundingBox)
        Mark the specified region as invalid. Currently this is also synchronous.
        Parameters:
        boundingBox - The region to update. May be null in which case the whole image is marked for update.

      • refresh

        public void refresh()
        Refresh the canvas. This should basically clean up any drawing operation and repaint the drawing area.

      • paintComponent

        protected void paintComponent​(java.awt.Graphics g)
        Paint the Canvas.
        Overrides:
        paintComponent in class javax.swing.JComponent
        Parameters:
        g - The graphics context to paint to.

      • printComponent

        protected void printComponent​(java.awt.Graphics gr)
        Print the Canvas.
        Overrides:
        printComponent in class javax.swing.JComponent
        Parameters:
        gr - The graphics context to print to.

      • rebuildImage

        protected void rebuildImage()
        Build a new off-screen image. This should only be needed for resizing the canvas.
        Specified by:
        rebuildImage in class AbstractJaxoCanvas

      • deleteMarkedObjects

        protected void deleteMarkedObjects()
        Deletes all 'marked' objects from the drawing area and the current canvas graph.
        Specified by:
        deleteMarkedObjects in class AbstractJaxoCanvas

      • pasteFromClipboard

        public void pasteFromClipboard()
        Paste the objects currently on the clipboard.

      • ungroupMarkedObjects

        public void ungroupMarkedObjects()
        Ungroup all marked objects. This is not recursive, only one level is resolved.

      • ungroupSelectedObject

        public void ungroupSelectedObject()
        If the selected object is a group, ungroup it.

      • groupMarkedObjects

        public void groupMarkedObjects()
        Groups the currently marked objects.

      • updateMode

        public void updateMode​(int mode)
        Resets canvas parameters for the given mode. Sets the cursor, and determines whether to draw visualAid and handles.
        Specified by:
        updateMode in class AbstractJaxoCanvas
        Parameters:
        mode - The mode to adjust to.

      • clear

        public void clear()
        Clears the drawing area.

      • moveSelection

        public void moveSelection​(boolean backGround)
        Moves the currently selected objects into either fore- or background.
        Parameters:
        backGround - True for moving into background, false for foreground.

      • editNearestObject

        public void editNearestObject​(java.awt.Point p)
        Determine the closest object to the given point and bring up an edit panel for it.
        Parameters:
        p - the test point

      • initiateEdit

        public void initiateEdit​(java.awt.Point p)
        Start an edit action at a given point.
        Parameters:
        p - the point associated with the edit action.

      • continueEdit

        public void continueEdit​(java.awt.Point p,
                         java.awt.Point last)
        Continue an edit actione that has been initiated before.
        Parameters:
        p - the point on this drawing area associated with the edit action.
        last - the last recorded action point, or null if none.

      • finalizeEdit

        public void finalizeEdit()
        Finalize a user input action.

      • updatePointsAid

        public void updatePointsAid​(java.awt.Point p)
        Updates the visual aid that is painted for objects in click-move mode.
        Parameters:
        p - the current location of the cursor.

      • initiateSelect

        public void initiateSelect​(java.awt.Point p)
        Start a select action.
        Parameters:
        p - the point where the select action was started.

      • continueSelect

        public void continueSelect​(java.awt.Point p)
        Carry on a select action that was started previously.
        Parameters:
        p - the current point of the select action.

      • finalizeSelect

        public void finalizeSelect​(java.awt.Point p)
        End a select action.
        Parameters:
        p - the point where the select action was finished.