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JGraph X 2.1.0.7 |
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java.lang.Objectcom.mxgraph.util.mxEventSource
com.mxgraph.sharing.mxSharedState
public class mxSharedState
Implements a diagram that may be shared among multiple sessions. This implementation is based only on string, it does not have a model instance. The diagram is represented by its initial state and the sequence of edits as applied to the diagram.
| Nested Class Summary | |
|---|---|
static interface |
mxSharedState.mxDiagramChangeListener
Defines the requirements for an object that listens to changes on the shared diagram. |
| Nested classes/interfaces inherited from class com.mxgraph.util.mxEventSource |
|---|
mxEventSource.mxIEventListener |
| Field Summary | |
|---|---|
protected StringBuffer |
delta
Holds the history of all changes of initial state. |
protected List<mxSharedState.mxDiagramChangeListener> |
diagramChangeListeners
Holds a list of diagram change listeners. |
protected String |
state
Holds the initial state of the diagram. |
| Fields inherited from class com.mxgraph.util.mxEventSource |
|---|
eventListeners, eventsEnabled, eventSource |
| Constructor Summary | |
|---|---|
mxSharedState(String state)
Constructs a new diagram with the given state. |
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| Method Summary | |
|---|---|
void |
addDelta(String xml)
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void |
addDiagramChangeListener(mxSharedState.mxDiagramChangeListener listener)
Adds the given listener to the list of diagram change listeners. |
String |
getDelta()
Returns the history of all changes as a string. |
String |
getState()
Returns the initial state of the diagram. |
void |
processDelta(Object sender,
Node delta)
Appends the given string to the history and dispatches the change to all sessions that are listening to this shared diagram. |
protected String |
processEdit(Node node)
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void |
removeDiagramChangeListener(mxSharedState.mxDiagramChangeListener listener)
Removes the given listener from the list of diagram change listeners. |
void |
resetDelta()
Clears the history of all changes. |
| Methods inherited from class com.mxgraph.util.mxEventSource |
|---|
addListener, fireEvent, fireEvent, getEventSource, isEventsEnabled, removeListener, removeListener, setEventsEnabled, setEventSource |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
protected List<mxSharedState.mxDiagramChangeListener> diagramChangeListeners
protected String state
protected StringBuffer delta
| Constructor Detail |
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public mxSharedState(String state)
state - Initial state of the diagram.| Method Detail |
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public String getState()
public String getDelta()
public void processDelta(Object sender,
Node delta)
sender - Session where the change originated from.delta - XML that represents the change.protected String processEdit(Node node)
public void addDelta(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.
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JGraph X 2.1.0.7 |
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