public class mxSharedState extends mxEventSource
Modifier and Type | Class and Description |
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static interface |
mxSharedState.mxDiagramChangeListener
Defines the requirements for an object that listens to changes on the
shared diagram.
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mxEventSource.mxIEventListener
Modifier and Type | Field and Description |
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protected java.lang.StringBuffer |
delta
Holds the history of all changes of initial state.
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protected java.util.List<mxSharedState.mxDiagramChangeListener> |
diagramChangeListeners
Holds a list of diagram change listeners.
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protected java.lang.String |
state
Holds the initial state of the diagram.
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eventListeners, eventsEnabled, eventSource
Constructor and Description |
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mxSharedState(java.lang.String state)
Constructs a new diagram with the given state.
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Modifier and Type | Method and Description |
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void |
addDelta(java.lang.String xml) |
void |
addDiagramChangeListener(mxSharedState.mxDiagramChangeListener listener)
Adds the given listener to the list of diagram change listeners.
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java.lang.String |
getDelta()
Returns the history of all changes as a string.
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java.lang.String |
getState()
Returns the initial state of the diagram.
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void |
processDelta(java.lang.Object sender,
org.w3c.dom.Node delta)
Appends the given string to the history and dispatches the change to all
sessions that are listening to this shared diagram.
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protected java.lang.String |
processEdit(org.w3c.dom.Node node) |
void |
removeDiagramChangeListener(mxSharedState.mxDiagramChangeListener listener)
Removes the given listener from the list of diagram change listeners.
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void |
resetDelta()
Clears the history of all changes.
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addListener, fireEvent, fireEvent, getEventSource, isEventsEnabled, removeListener, removeListener, setEventsEnabled, setEventSource
protected java.util.List<mxSharedState.mxDiagramChangeListener> diagramChangeListeners
protected java.lang.String state
protected java.lang.StringBuffer delta
public mxSharedState(java.lang.String state)
state
- Initial state of the diagram.public java.lang.String getState()
public java.lang.String getDelta()
public void processDelta(java.lang.Object sender, org.w3c.dom.Node delta)
sender
- Session where the change originated from.delta
- XML that represents the change.protected java.lang.String processEdit(org.w3c.dom.Node node)
public void addDelta(java.lang.String xml)
public void resetDelta()
public void addDiagramChangeListener(mxSharedState.mxDiagramChangeListener listener)
listener
- Diagram change listener to be added.public void removeDiagramChangeListener(mxSharedState.mxDiagramChangeListener listener)
listener
- Diagram change listener to be removed.Copyright (c) 2010 Gaudenz Alder. All rights reserved.