Java Doc for JGraphEditorDiagramPane.java in  » Graphic-Library » jgraphpad » com » jgraph » editor » factory » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Graphic Library » jgraphpad » com.jgraph.editor.factory   Source Cross Reference   Class Diagram   Java Document (Java Doc)   javax.swing.JScrollPane    com.jgraph.editor.factory.JGraphEditorDiagramPane JGraphEditorDiagramPane public class JGraphEditorDiagramPane extends JScrollPane implements Printable(Code) Wrapper panel for a diagram/JGraph-pair that implements automatic sizing, backgrounds, printing and undo support. When wrapped in a scrollpane this panel adds rulers to the enclosing scrollpane. Furthermore, it automatically sets the minimum size and scale of the graph based on its settings. Inner Class :public class Viewport extends JViewport Field Summary final public static  int AUTOSCALE_POLICY_NONE      Defines the no autoscaling policy. final public static  int AUTOSCALE_POLICY_PAGE      Defines the page autoscaling policy. final public static  int AUTOSCALE_POLICY_PAGEWIDTH      Defines the pagewidth autoscaling policy. final public static  int AUTOSCALE_POLICY_WINDOW      Defines the window-size autoscaling policy. final public static  int DEFAULT_HISTORYSIZE      Specifies the size of the undo history. final public static  boolean DEFAULT_ISMETRIC      Specifies the default unit system. final public static  double DEFAULT_PAGESCALE      Specifies the default page scale. public static  String PROPERTY_METRICPROPERTY_PAGEVISIBLEPROPERTY_BACKGROUNDIMAGEPROPERTY_RULERSVISIBLEPROPERTY_PAGEFORMATPROPERTY_AUTOSCALEPOLICYPROPERTY_PAGESCALE      Bound property names for the respective properties. protected  int autoScalePolicy      Specified the autoscaling policy. protected  PropertyChangeListener autoScaleResetListener      Holds the autoscale reset listener to be used with the graph. protected  ImageIcon backgroundImage      Holds the background image. protected  JGraphEditorDiagram diagram      References the diagram this pane represents. protected  JGraph graph      References the inner graph. protected  boolean isMetric      Specifies if the rulers should use metric units. protected  boolean isPageVisible      Specifies if the background page is visible. protected  boolean isRulersVisible      Specifies if the rules should be visible. protected  PageFormat pageFormat      Background page format. protected  double pageScale      Defines the scaling for the background page metrics. protected transient  GraphUndoManager undoManager      Holds the undo manager for the graph. protected  JGraphEditorRuler verticalRulerhorizontalRuler      Holds the rulers to be used in a parent scrollpane. Constructor Summary public   JGraphEditorDiagramPane(JGraphEditorDiagram diagram, JGraph graph)      Constructs a new graph pane for the specified diagram and graph. Method Summary protected  double computePageScale()      Computes the scale for the page autoscale policy. protected  double computePageWidthScale(int border)      Computes the scale for the pagewidth autoscale policy. Parameters:   border - The border to use. protected  double computeWindowScale(int border)      Computes the scale for the window autoscale policy. Parameters:   border - The border to use. public  PropertyChangeListener createAutoScaleResetListener()      Hook for subclassers to create the autoscale reset listener. protected  void createRulers()      Hook for subclassers to create the rulers. protected  JViewport createViewport()      Hook for subclassers to create the viewport. public  int getAutoScalePolicy()      Returns the autoscale policy. public  ImageIcon getBackgroundImage()      Returns the background image. public  JGraphEditorDiagram getDiagram()      Returns the diagram. public  JGraph getGraph()      Returns the inner graph. public  GraphUndoManager getGraphUndoManager()      Returns the graph undo manager. public  JGraphEditorRuler getHorizontalRuler()      Returns the horizontal ruler. public  BufferedImage getImage(Color bg, int inset)      Returns a BufferedImage for the graph using inset as an empty border around the cells of the graph. public  PageFormat getPageFormat()      Returns the page format of the background page. public  double getPageScale()      Returns the scale of the page metrics. public static  JGraphEditorDiagramPane getParentDiagramPane(Component component)      Returns the parent diagram pane of the specified component, or the component itself if it is a editor diagram pane. public  JGraphEditorRuler getVerticalRuler()      Returns the vertical ruler. public  boolean isMetric()      Returns true if the rulers use metric units. public  boolean isPageVisible()      Returns true if the background page is visible. public  boolean isRulersVisible()      Returns true if the rulers are to be displayed. public  int print(Graphics g, PageFormat printFormat, int page)      Prints the specified page on the specified graphics using pageForm for the page format. public  void setAutoScalePolicy(int autoScalePolicy)      Sets the autoscale policy. public  void setBackgroundImage(ImageIcon backgroundImage)      Sets the background image. public  void setGraphUndoManager(GraphUndoManager undoManager)      Sets the graph undo manager. public  void setMetric(boolean isMetric)      Specifies if the rulers should use metric units. public  void setPageFormat(PageFormat pageFormat)      Sets the page format of the background page.Fires a property change event for JGraphEditorDiagramPane.PROPERTY_PAGEFORMAT . public  void setPageScale(double pageScale)      Sets the scale of the page metrics.Fires a property change event for JGraphEditorDiagramPane.PROPERTY_PAGESCALE . public  void setPageVisible(boolean isPageVisible)      Sets if the background page should be visible.Fires a property change event for JGraphEditorDiagramPane.PROPERTY_PAGEVISIBLE . public  void setRulersVisible(boolean isRulersVisible)      Sets if the rulers are to be displayed. protected  void updateMinimumSize()      Updates the minimum size of the graph according to the current state of the background page: if the page is not visible then the minimum size is set to null, otherwise the minimum size is set to the smallest area of pages containing the graph. protected  void updateScale()      Updates the scale based on the autoscale policy. Field Detail AUTOSCALE_POLICY_NONE final public static int AUTOSCALE_POLICY_NONE(Code) Defines the no autoscaling policy. AUTOSCALE_POLICY_PAGE final public static int AUTOSCALE_POLICY_PAGE(Code) Defines the page autoscaling policy. AUTOSCALE_POLICY_PAGEWIDTH final public static int AUTOSCALE_POLICY_PAGEWIDTH(Code) Defines the pagewidth autoscaling policy. AUTOSCALE_POLICY_WINDOW final public static int AUTOSCALE_POLICY_WINDOW(Code) Defines the window-size autoscaling policy. DEFAULT_HISTORYSIZE final public static int DEFAULT_HISTORYSIZE(Code) Specifies the size of the undo history. Default is 100. DEFAULT_ISMETRIC final public static boolean DEFAULT_ISMETRIC(Code) Specifies the default unit system. Default is metric. DEFAULT_PAGESCALE final public static double DEFAULT_PAGESCALE(Code) Specifies the default page scale. Default is 1.5 PROPERTY_METRICPROPERTY_PAGEVISIBLEPROPERTY_BACKGROUNDIMAGEPROPERTY_RULERSVISIBLEPROPERTY_PAGEFORMATPROPERTY_AUTOSCALEPOLICYPROPERTY_PAGESCALE public static String PROPERTY_METRICPROPERTY_PAGEVISIBLEPROPERTY_BACKGROUNDIMAGEPROPERTY_RULERSVISIBLEPROPERTY_PAGEFORMATPROPERTY_AUTOSCALEPOLICYPROPERTY_PAGESCALE(Code) Bound property names for the respective properties. autoScalePolicy protected int autoScalePolicy(Code) Specified the autoscaling policy. Default is JGraphEditorDiagramPane.AUTOSCALE_POLICY_NONE . autoScaleResetListener protected PropertyChangeListener autoScaleResetListener(Code) Holds the autoscale reset listener to be used with the graph. This listener is used to reset the autoscale policy to none if the scale of the graph is changed manually, ie. not by means of automatic scaling. backgroundImage protected ImageIcon backgroundImage(Code) Holds the background image. diagram protected JGraphEditorDiagram diagram(Code) References the diagram this pane represents. graph protected JGraph graph(Code) References the inner graph. isMetric protected boolean isMetric(Code) Specifies if the rulers should use metric units. Default is true. isPageVisible protected boolean isPageVisible(Code) Specifies if the background page is visible. Default is true. isRulersVisible protected boolean isRulersVisible(Code) Specifies if the rules should be visible. Default is true. pageFormat protected PageFormat pageFormat(Code) Background page format. pageScale protected double pageScale(Code) Defines the scaling for the background page metrics. Default is JGraphEditorDiagramPane.DEFAULT_PAGESCALE . undoManager protected transient GraphUndoManager undoManager(Code) Holds the undo manager for the graph. verticalRulerhorizontalRuler protected JGraphEditorRuler verticalRulerhorizontalRuler(Code) Holds the rulers to be used in a parent scrollpane. Constructor Detail JGraphEditorDiagramPane public JGraphEditorDiagramPane(JGraphEditorDiagram diagram, JGraph graph)(Code) Constructs a new graph pane for the specified diagram and graph. Method Detail computePageScale protected double computePageScale()(Code) Computes the scale for the page autoscale policy. Returns the scale to use for the graph. computePageWidthScale protected double computePageWidthScale(int border)(Code) Computes the scale for the pagewidth autoscale policy. Parameters:   border - The border to use. Returns the scale to use for the graph. computeWindowScale protected double computeWindowScale(int border)(Code) Computes the scale for the window autoscale policy. Parameters:   border - The border to use. Returns the scale to use for the graph. createAutoScaleResetListener public PropertyChangeListener createAutoScaleResetListener()(Code) Hook for subclassers to create the autoscale reset listener. Returns a new autoscale reset listener. createRulers protected void createRulers()(Code) Hook for subclassers to create the rulers. This implementation sets the JGraphEditorDiagramPane.horizontalRuler and JGraphEditorDiagramPane.verticalRuler . createViewport protected JViewport createViewport()(Code) Hook for subclassers to create the viewport. Returns a new viewport to be used in the panel. getAutoScalePolicy public int getAutoScalePolicy()(Code) Returns the autoscale policy. Returns the autoScalePolicy. getBackgroundImage public ImageIcon getBackgroundImage()(Code) Returns the background image. Returns the backgroundImage. getDiagram public JGraphEditorDiagram getDiagram()(Code) Returns the diagram. Returns the cacheNode. getGraph public JGraph getGraph()(Code) Returns the inner graph. Returns the graph. getGraphUndoManager public GraphUndoManager getGraphUndoManager()(Code) Returns the graph undo manager. Returns the graphUndoManager. getHorizontalRuler public JGraphEditorRuler getHorizontalRuler()(Code) Returns the horizontal ruler. Returns the horizontalRuler. getImage public BufferedImage getImage(Color bg, int inset)(Code) Returns a BufferedImage for the graph using inset as an empty border around the cells of the graph. If bg is null then a transparent background is applied to the image, else the background is filled with the bg color. Therefore, one should only use a null background if the fileformat support transparency, eg. GIF and PNG. For JPG, you can use Color.WHITE for example. This implementation also takes into account potential background images. Returns an image of the graph. getPageFormat public PageFormat getPageFormat()(Code) Returns the page format of the background page. Returns the pageFormat. getPageScale public double getPageScale()(Code) Returns the scale of the page metrics. Returns the pageScale. getParentDiagramPane public static JGraphEditorDiagramPane getParentDiagramPane(Component component)(Code) Returns the parent diagram pane of the specified component, or the component itself if it is a editor diagram pane. Returns the parent editor diagram pane of component. getVerticalRuler public JGraphEditorRuler getVerticalRuler()(Code) Returns the vertical ruler. Returns the verticalRuler. isMetric public boolean isMetric()(Code) Returns true if the rulers use metric units. Returns the isMetric. isPageVisible public boolean isPageVisible()(Code) Returns true if the background page is visible. Returns the isPageVisible. isRulersVisible public boolean isRulersVisible()(Code) Returns true if the rulers are to be displayed. Returns the isRulersVisible. print public int print(Graphics g, PageFormat printFormat, int page)(Code) Prints the specified page on the specified graphics using pageForm for the page format. Parameters:   g - The graphics to paint the graph on. Parameters:   printFormat - The page format to use for printing. Parameters:   page - The page to print Returns Printable.PAGE_EXISTS orPrintable.NO_SUCH_PAGE. setAutoScalePolicy public void setAutoScalePolicy(int autoScalePolicy)(Code) Sets the autoscale policy. Possible values is one of: JGraphEditorDiagramPane.AUTOSCALE_POLICY_NONE , JGraphEditorDiagramPane.AUTOSCALE_POLICY_PAGE , JGraphEditorDiagramPane.AUTOSCALE_POLICY_PAGEWIDTH or JGraphEditorDiagramPane.AUTOSCALE_POLICY_WINDOW . Fires a property change event for JGraphEditorDiagramPane.PROPERTY_AUTOSCALEPOLICY . Parameters:   autoScalePolicy - The autoScalePolicy to set. setBackgroundImage public void setBackgroundImage(ImageIcon backgroundImage)(Code) Sets the background image. Fires a property change event for JGraphEditorDiagramPane.PROPERTY_BACKGROUNDIMAGE . Parameters:   backgroundImage - The backgroundImage to set. setGraphUndoManager public void setGraphUndoManager(GraphUndoManager undoManager)(Code) Sets the graph undo manager. Parameters:   undoManager - The graphUndoManager to set. setMetric public void setMetric(boolean isMetric)(Code) Specifies if the rulers should use metric units. Fires a property change event for JGraphEditorDiagramPane.PROPERTY_METRIC . Parameters:   isMetric - The isMetric to set. setPageFormat public void setPageFormat(PageFormat pageFormat)(Code) Sets the page format of the background page.Fires a property change event for JGraphEditorDiagramPane.PROPERTY_PAGEFORMAT . Parameters:   pageFormat - The pageFormat to set. setPageScale public void setPageScale(double pageScale)(Code) Sets the scale of the page metrics.Fires a property change event for JGraphEditorDiagramPane.PROPERTY_PAGESCALE . Parameters:   pageScale - The pageScale to set. setPageVisible public void setPageVisible(boolean isPageVisible)(Code) Sets if the background page should be visible.Fires a property change event for JGraphEditorDiagramPane.PROPERTY_PAGEVISIBLE . Parameters:   isPageVisible - The isPageVisible to set. setRulersVisible public void setRulersVisible(boolean isRulersVisible)(Code) Sets if the rulers are to be displayed. Fires a property change event for JGraphEditorDiagramPane.PROPERTY_RULERSVISIBLE . Parameters:   isRulersVisible - The isRulersVisible to set. updateMinimumSize protected void updateMinimumSize()(Code) Updates the minimum size of the graph according to the current state of the background page: if the page is not visible then the minimum size is set to null, otherwise the minimum size is set to the smallest area of pages containing the graph. updateScale protected void updateScale()(Code) Updates the scale based on the autoscale policy. This implementation makes sure the JGraphEditorDiagramPane.autoScaleResetListener does not trigger an autoscale policy reset be temporary removing the listener from the graph while the scale is updated. The scale is computed using one of JGraphEditorDiagramPane.computeWindowScale(int) , JGraphEditorDiagramPane.computePageScale() and JGraphEditorDiagramPane.computePageWidthScale(int) . Fields inherited from javax.swing.JScrollPane protected JViewport columnHeader(Code)(Java Doc) protected JScrollBar horizontalScrollBar(Code)(Java Doc) protected int horizontalScrollBarPolicy(Code)(Java Doc) protected Component lowerLeft(Code)(Java Doc) protected Component lowerRight(Code)(Java Doc) protected JViewport rowHeader(Code)(Java Doc) protected Component upperLeft(Code)(Java Doc) protected Component upperRight(Code)(Java Doc) protected JScrollBar verticalScrollBar(Code)(Java Doc) protected int verticalScrollBarPolicy(Code)(Java Doc) protected JViewport viewport(Code)(Java Doc) Methods inherited from javax.swing.JScrollPane public JScrollBar createHorizontalScrollBar()(Code)(Java Doc) public JScrollBar createVerticalScrollBar()(Code)(Java Doc) protected JViewport createViewport()(Code)(Java Doc) public AccessibleContext getAccessibleContext()(Code)(Java Doc) public JViewport getColumnHeader()(Code)(Java Doc) public Component getCorner(String key)(Code)(Java Doc) public JScrollBar getHorizontalScrollBar()(Code)(Java Doc) public int getHorizontalScrollBarPolicy()(Code)(Java Doc) public JViewport getRowHeader()(Code)(Java Doc) public ScrollPaneUI getUI()(Code)(Java Doc) public String getUIClassID()(Code)(Java Doc) public JScrollBar getVerticalScrollBar()(Code)(Java Doc) public int getVerticalScrollBarPolicy()(Code)(Java Doc) public JViewport getViewport()(Code)(Java Doc) public Border getViewportBorder()(Code)(Java Doc) public Rectangle getViewportBorderBounds()(Code)(Java Doc) public boolean isValidateRoot()(Code)(Java Doc) public boolean isWheelScrollingEnabled()(Code)(Java Doc) protected String paramString()(Code)(Java Doc) public void setColumnHeader(JViewport columnHeader)(Code)(Java Doc) public void setColumnHeaderView(Component view)(Code)(Java Doc) public void setComponentOrientation(ComponentOrientation co)(Code)(Java Doc) public void setCorner(String key, Component corner)(Code)(Java Doc) public void setHorizontalScrollBar(JScrollBar horizontalScrollBar)(Code)(Java Doc) public void setHorizontalScrollBarPolicy(int policy)(Code)(Java Doc) public void setLayout(LayoutManager layout)(Code)(Java Doc) public void setRowHeader(JViewport rowHeader)(Code)(Java Doc) public void setRowHeaderView(Component view)(Code)(Java Doc) public void setUI(ScrollPaneUI ui)(Code)(Java Doc) public void setVerticalScrollBar(JScrollBar verticalScrollBar)(Code)(Java Doc) public void setVerticalScrollBarPolicy(int policy)(Code)(Java Doc) public void setViewport(JViewport viewport)(Code)(Java Doc) public void setViewportBorder(Border viewportBorder)(Code)(Java Doc) public void setViewportView(Component view)(Code)(Java Doc) public void setWheelScrollingEnabled(boolean handleWheel)(Code)(Java Doc) public void updateUI()(Code)(Java Doc)