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<title>mxGraphComponent.mxGraphControl (mxGraph 4.2.0 API Specification)</title>
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<h2 title="Class mxGraphComponent.mxGraphControl" class="title">Class mxGraphComponent.mxGraphControl</h2>
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<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
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<li>java.awt.Component</li>
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<li>java.awt.Container</li>
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<li>javax.swing.JComponent</li>
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<li>com.mxgraph.swing.mxGraphComponent.mxGraphControl</li>
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<pre>public class <span class="typeNameLabel">mxGraphComponent.mxGraphControl</span>
extends javax.swing.JComponent</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
<dd><a href="../../../serialized-form.html#com.mxgraph.swing.mxGraphComponent.mxGraphControl">Serialized Form</a></dd>
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<td class="colFirst"><code>protected java.awt.Point</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#translate">translate</a></span></code></th>
<td class="colLast">
<div class="block">Specifies a translation for painting.</div>
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<code>ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH</code></li>
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<th class="colFirst" scope="col">Constructor</th>
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<th class="colConstructorName" scope="row"><code><span class="memberNameLink"><a href="#%3Cinit%3E()">mxGraphControl</a></span>()</code></th>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<tr id="i0" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#cellDrawn(com.mxgraph.canvas.mxICanvas,com.mxgraph.view.mxCellState)">cellDrawn</a></span>&#8203;(<a href="../canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a>&nbsp;canvas,
<a href="../view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a>&nbsp;state)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i1" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#drawCell(com.mxgraph.canvas.mxICanvas,java.lang.Object)">drawCell</a></span>&#8203;(<a href="../canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a>&nbsp;canvas,
java.lang.Object&nbsp;cell)</code></th>
<td class="colLast">
<div class="block">Draws the given cell onto the specified canvas.</div>
</td>
</tr>
<tr id="i2" class="altColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#drawChildren(java.lang.Object,boolean,boolean)">drawChildren</a></span>&#8203;(java.lang.Object&nbsp;cell,
boolean&nbsp;edges,
boolean&nbsp;others)</code></th>
<td class="colLast">
<div class="block">Draws the child edges and/or all other children in the given cell
depending on the boolean arguments.</div>
</td>
</tr>
<tr id="i3" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#drawFromRootCell()">drawFromRootCell</a></span>()</code></th>
<td class="colLast">
<div class="block">Hook to draw the root cell into the canvas.</div>
</td>
</tr>
<tr id="i4" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#drawGraph(java.awt.Graphics2D,boolean)">drawGraph</a></span>&#8203;(java.awt.Graphics2D&nbsp;g,
boolean&nbsp;drawLabels)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i5" class="rowColor">
<td class="colFirst"><code>protected void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#extendComponent(java.awt.Rectangle)">extendComponent</a></span>&#8203;(java.awt.Rectangle&nbsp;rect)</code></th>
<td class="colLast">
<div class="block">Implements extension of the component in all directions.</div>
</td>
</tr>
<tr id="i6" class="altColor">
<td class="colFirst"><code>protected java.awt.Rectangle</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getExtendedCellBounds(com.mxgraph.view.mxCellState)">getExtendedCellBounds</a></span>&#8203;(<a href="../view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a>&nbsp;state)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i7" class="rowColor">
<td class="colFirst"><code><a href="mxGraphComponent.html" title="class in com.mxgraph.swing">mxGraphComponent</a></code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getGraphContainer()">getGraphContainer</a></span>()</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i8" class="altColor">
<td class="colFirst"><code>java.lang.String</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getToolTipText(java.awt.event.MouseEvent)">getToolTipText</a></span>&#8203;(java.awt.event.MouseEvent&nbsp;e)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i9" class="rowColor">
<td class="colFirst"><code>java.awt.Point</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTranslate()">getTranslate</a></span>()</code></th>
<td class="colLast">
<div class="block">Returns the translate.</div>
</td>
</tr>
<tr id="i10" class="altColor">
<td class="colFirst"><code>protected boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#hitClip(com.mxgraph.canvas.mxGraphics2DCanvas,com.mxgraph.view.mxCellState)">hitClip</a></span>&#8203;(<a href="../canvas/mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a>&nbsp;canvas,
<a href="../view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a>&nbsp;state)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i11" class="rowColor">
<td class="colFirst"><code>protected boolean</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isCellDisplayable(java.lang.Object)">isCellDisplayable</a></span>&#8203;(java.lang.Object&nbsp;cell)</code></th>
<td class="colLast">
<div class="block">Returns true if the given cell is not the current root or the root in
the model.</div>
</td>
</tr>
<tr id="i12" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#paint(java.awt.Graphics)">paint</a></span>&#8203;(java.awt.Graphics&nbsp;g)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i13" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#paintComponent(java.awt.Graphics)">paintComponent</a></span>&#8203;(java.awt.Graphics&nbsp;g)</code></th>
<td class="colLast">&nbsp;</td>
</tr>
<tr id="i14" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#scrollRectToVisible(java.awt.Rectangle,boolean)">scrollRectToVisible</a></span>&#8203;(java.awt.Rectangle&nbsp;aRect,
boolean&nbsp;extend)</code></th>
<td class="colLast">
<div class="block">Overrides parent method to add extend flag for making the control
larger during previews.</div>
</td>
</tr>
<tr id="i15" class="rowColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#setTranslate(java.awt.Point)">setTranslate</a></span>&#8203;(java.awt.Point&nbsp;value)</code></th>
<td class="colLast">
<div class="block">Sets the translate.</div>
</td>
</tr>
<tr id="i16" class="altColor">
<td class="colFirst"><code>void</code></td>
<th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#updatePreferredSize()">updatePreferredSize</a></span>()</code></th>
<td class="colLast">
<div class="block">Updates the preferred size for the given scale if the page size
should be preferred or the page is visible.</div>
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<h3>Methods inherited from class&nbsp;javax.swing.JComponent</h3>
<code>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, getTopLevelAncestor, getTransferHandler, getUI, getUIClassID, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintImmediately, paintImmediately, paramString, print, printAll, printBorder, printChildren, printComponent, 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</code></li>
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<h3>Methods inherited from class&nbsp;java.awt.Container</h3>
<code>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</code></li>
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<h3>Methods inherited from class&nbsp;java.awt.Component</h3>
<code>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</code></li>
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<h3>Methods inherited from class&nbsp;java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait</code></li>
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<h4>translate</h4>
<pre>protected&nbsp;java.awt.Point translate</pre>
<div class="block">Specifies a translation for painting. This should only be used during
mouse drags and must be reset after any interactive repaints. Default
is (0,0). This should not be null.</div>
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<pre>public&nbsp;mxGraphControl()</pre>
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<h4>getTranslate</h4>
<pre class="methodSignature">public&nbsp;java.awt.Point&nbsp;getTranslate()</pre>
<div class="block">Returns the translate.</div>
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<h4>setTranslate</h4>
<pre class="methodSignature">public&nbsp;void&nbsp;setTranslate&#8203;(java.awt.Point&nbsp;value)</pre>
<div class="block">Sets the translate.</div>
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<h4>getGraphContainer</h4>
<pre class="methodSignature">public&nbsp;<a href="mxGraphComponent.html" title="class in com.mxgraph.swing">mxGraphComponent</a>&nbsp;getGraphContainer()</pre>
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<pre class="methodSignature">public&nbsp;void&nbsp;scrollRectToVisible&#8203;(java.awt.Rectangle&nbsp;aRect,
boolean&nbsp;extend)</pre>
<div class="block">Overrides parent method to add extend flag for making the control
larger during previews.</div>
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<pre class="methodSignature">protected&nbsp;void&nbsp;extendComponent&#8203;(java.awt.Rectangle&nbsp;rect)</pre>
<div class="block">Implements extension of the component in all directions. For
extension below the origin (into negative space) the translate will
temporaly be used and reset with the next mouse released event.</div>
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<pre class="methodSignature">public&nbsp;java.lang.String&nbsp;getToolTipText&#8203;(java.awt.event.MouseEvent&nbsp;e)</pre>
<dl>
<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>getToolTipText</code>&nbsp;in class&nbsp;<code>javax.swing.JComponent</code></dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;updatePreferredSize()</pre>
<div class="block">Updates the preferred size for the given scale if the page size
should be preferred or the page is visible.</div>
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<pre class="methodSignature">public&nbsp;void&nbsp;paint&#8203;(java.awt.Graphics&nbsp;g)</pre>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>paint</code>&nbsp;in class&nbsp;<code>javax.swing.JComponent</code></dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;paintComponent&#8203;(java.awt.Graphics&nbsp;g)</pre>
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<dt><span class="overrideSpecifyLabel">Overrides:</span></dt>
<dd><code>paintComponent</code>&nbsp;in class&nbsp;<code>javax.swing.JComponent</code></dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;drawGraph&#8203;(java.awt.Graphics2D&nbsp;g,
boolean&nbsp;drawLabels)</pre>
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<h4>drawFromRootCell</h4>
<pre class="methodSignature">protected&nbsp;void&nbsp;drawFromRootCell()</pre>
<div class="block">Hook to draw the root cell into the canvas.</div>
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<pre class="methodSignature">protected&nbsp;boolean&nbsp;hitClip&#8203;(<a href="../canvas/mxGraphics2DCanvas.html" title="class in com.mxgraph.canvas">mxGraphics2DCanvas</a>&nbsp;canvas,
<a href="../view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a>&nbsp;state)</pre>
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<pre class="methodSignature">protected&nbsp;java.awt.Rectangle&nbsp;getExtendedCellBounds&#8203;(<a href="../view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a>&nbsp;state)</pre>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>state</code> - the cached state of the cell whose extended bounds are to be calculated</dd>
<dt><span class="returnLabel">Returns:</span></dt>
<dd>the bounds of the cell, including the label and shadow and allowing for rotation</dd>
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<pre class="methodSignature">public&nbsp;void&nbsp;drawCell&#8203;(<a href="../canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a>&nbsp;canvas,
java.lang.Object&nbsp;cell)</pre>
<div class="block">Draws the given cell onto the specified canvas. This is a modified
version of mxGraph.drawCell which paints the label only if the
corresponding cell is not being edited and invokes the cellDrawn hook
after all descendants have been painted.</div>
<dl>
<dt><span class="paramLabel">Parameters:</span></dt>
<dd><code>canvas</code> - Canvas onto which the cell should be drawn.</dd>
<dd><code>cell</code> - Cell that should be drawn onto the canvas.</dd>
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<pre class="methodSignature">protected&nbsp;void&nbsp;drawChildren&#8203;(java.lang.Object&nbsp;cell,
boolean&nbsp;edges,
boolean&nbsp;others)</pre>
<div class="block">Draws the child edges and/or all other children in the given cell
depending on the boolean arguments.</div>
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<pre class="methodSignature">protected&nbsp;void&nbsp;cellDrawn&#8203;(<a href="../canvas/mxICanvas.html" title="interface in com.mxgraph.canvas">mxICanvas</a>&nbsp;canvas,
<a href="../view/mxCellState.html" title="class in com.mxgraph.view">mxCellState</a>&nbsp;state)</pre>
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<pre class="methodSignature">protected&nbsp;boolean&nbsp;isCellDisplayable&#8203;(java.lang.Object&nbsp;cell)</pre>
<div class="block">Returns true if the given cell is not the current root or the root in
the model. This can be overridden to not render certain cells in the
graph display.</div>
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