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java.lang.Objectswingwt.awt.Component
swingwt.awt.Container
swingwtx.swing.JComponent
swingwtx.swing.JPanel
net.moioli.chart.swing.JGraph
public class JGraph
Draws a DefaultChart on a JPanel (Swing) object.
It also Implements (Compatible)Collection, so that you can add(), addAll(),
retainAll(), clear(), etc. and it will automatically care about rescaling and
redrawing. Just drop this in your favourite application!
Patterns note: this class is a Decorator of the class DefaultChart
Nested Class Summary |
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Nested classes/interfaces inherited from class swingwtx.swing.JComponent |
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swingwtx.swing.JComponent.InternalFrameSelectionListener |
Field Summary | |
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static int |
ACCURACY
Default pixelAccuracy. |
Fields inherited from class swingwtx.swing.JPanel |
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opaque, ppeer |
Fields inherited from class swingwtx.swing.JComponent |
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accessibleContext, actionMap, ancestorInputMap, border, clientProperties, descendantHasPeer, focusInputMap, internalFrameAdapter, internalFrameParent, propertyChangeListeners, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW, windowInputMap |
Fields inherited from class swingwt.awt.Container |
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composite, comps, containerListeners, layout, queuedValidateRequest |
Fields inherited from class swingwt.awt.Component |
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actionCommand, actionListeners, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, componentListeners, componentName, consumeAvailableHeight, consumeAvailableWidth, focusable, focusListeners, graphicsConfig, inputMethodListeners, isUserSetFont, keyListeners, layoutModifier, LEFT_ALIGNMENT, locale, LOCK, mouseListeners, mouseMotionListeners, mouseWheelListeners, parent, pBackground, pCursor, pDoubleBuffered, peer, pEnabled, pFont, pForeground, pLayoutData, pLocation, pMaxSize, pMinSize, pPrefSize, pSize, pToolTipText, pVisible, RIGHT_ALIGNMENT, swingWTDefaultActionEventAdapter, swingWTEventAdapter, TOP_ALIGNMENT |
Fields inherited from interface swingwt.awt.image.ImageObserver |
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ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH |
Constructor Summary | |
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JGraph()
Constructs an empty JGraph. |
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JGraph(net.moioli.chart.DefaultChart g)
Constructs a multiple-object JGraph. |
Method Summary | |
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boolean |
add(java.lang.Object arg0)
Ensures that this collection contains the specified element (optional operation). |
boolean |
addAll(java.util.Collection arg0)
Adds all of the elements in the specified collection to this collection (optional operation). |
void |
clear()
Removes all of the elements from this collection (optional operation). |
java.lang.Object |
clone()
Clones this JGraph. |
boolean |
contains(java.lang.Object arg0)
Returns true if this collection contains the specified element. |
boolean |
containsAll(java.util.Collection arg0)
Returns true if this collection contains all of the elements in the specified collection. |
void |
drawMe(swingwt.awt.Graphics jg,
swingwt.awt.Rectangle clip)
Draws this object. |
int |
getCollectionSize()
Returns the number of elements in the Collection. |
net.moioli.chart.ChartI |
getGraph()
Returns the DefaultChart drawn by this JGraph. |
double |
getMaxX()
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double |
getMaxY()
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double |
getMinX()
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double |
getMinY()
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int |
getPixelAccuracy()
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boolean |
isEmpty()
Returns true if this collection contains no elements. |
java.util.Iterator |
iterator()
Returns an iterator over the elements in this collection. |
void |
paint(swingwt.awt.Graphics jg)
Invoked by Swing to draw components. |
boolean |
remove(java.lang.Object arg0)
Removes a single instance of the specified element from this collection, if it is present (optional operation). |
boolean |
removeAll(java.util.Collection arg0)
Removes all this collection's elements that are also contained in the specified collection (optional operation). |
boolean |
retainAll(java.util.Collection arg0)
Retains only the elements in this collection that are contained in the specified collection (optional operation). |
void |
setGraph(net.moioli.chart.DefaultChart g)
Changes the drawn DefaultChart object. |
void |
setMaxX(double maxX)
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void |
setMaxY(double maxY)
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void |
setMinX(double minX)
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void |
setMinY(double minY)
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void |
setPixelAccuracy(int pixelAccuracy)
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java.lang.Object[] |
toArray()
Returns an array containing all of the elements in this collection. |
java.lang.Object[] |
toArray(java.lang.Object[] arg0)
Returns an array containing all of the elements in this collection; the runtime type of the returned array is that of the specified array. |
Methods inherited from class swingwtx.swing.JPanel |
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calculatePreferredSize, getHeight, getSize, getWidth, setBorder, setSwingWTParent |
Methods inherited from class swingwtx.swing.JComponent |
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add, add, add, add, add, addPropertyChangeListener, addPropertyChangeListener, checkInternalFrameChild, dispose, getAccessibleContext, getActionMap, getAutoscrolls, getBorder, getClientProperty, getInputMap, getInputMap, getInputMap, getInsets, getRootPane, getToolTipLocation, getToolTipText, getTopLevelAncestor, getVisibleRect, isDoubleBuffered, isOpaque, isOptimizedDrawingEnabled, isValidateRoot, paintBackground, paintChildren, paintComponent, paintImmediately, paintImmediately, putClientProperty, remove, remove, removePropertyChangeListener, removePropertyChangeListener, repaint, revalidate, scrollRectToVisible, setActionMap, setAutoscrolls, setDoubleBuffered, setInputMap, setMargin, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled |
Methods inherited from class swingwt.awt.Container |
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addComponentToLayout, addContainerListener, debug_showContainmentTree, doAdd, doLayout, getComponent, getComponentCount, getComponentOrientation, getComponents, getComposite, getLayout, getMaximumSize, getMinimumSize, getParent, getPreferredSize, invalidate, minimumSize, preferredSize, processContainerEvent, processEvent, queuedValidate, removeAll, removeComponentFromCache, removeContainerListener, setLayout, setLayoutImpl, validate |
Methods inherited from class swingwt.awt.Component |
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add, addActionListener, addComponentListener, addFocusListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, addNotify, componentOnlyDispose, computePreferredSize, contains, contains, createImage, createListenerArrayFromVector, createVolatileImage, dispatchEvent, getActionCommand, getAlignmentX, getAlignmentY, getBackground, getBackgroundSet, getBounds, getCursor, getFont, getFontMetrics, getForeground, getForegroundSet, getGraphics, getGraphicsConfiguration, getListeners, getLocale, getLocation, getLocationOnScreen, getName, getPeer, getPeerSize, getSize, getSWTPeer, getToolkit, getToolTipText, getTreeLock, getX, getY, grabFocus, hasFocus, hasSetFont, hide, imageUpdate, inside, isAncestorOf, isEnabled, isFocusable, isMinimumSizeSet, isShowing, isVisible, processActionEvent, processComponentEvent, processFocusEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, processPaintEvent, processTraverseEvent, registerActionEvents, registerComponentEvents, registerEvents, registerExtendedModifyEvents, registerFocusEvents, registerKeyEvents, registerModifyEvents, registerMouseEvents, registerPaintEvents, registerTraversalEvents, remove, removeActionListener, removeComponentListener, removeFocusListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removeNotify, repaint, repaint, repaint, requestFocus, setActionCommand, setAlignmentX, setAlignmentY, setBackground, setBounds, setBounds, setCachedProperties, setComponentOrientation, setComponentRemoved, setCursor, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setFont, setForeground, setHeight, setLocale, setLocation, setLocation, setMaximumSize, setMinimumSize, setName, setSize, setSize, setToolTipText, setVisible, setWidth, show, size, transferFocus, transferFocusBackward, transferFocusUpCycle |
Methods inherited from class java.lang.Object |
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equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface net.moioli.chart.swing.CompatibleCollection |
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equals, hashCode |
Field Detail |
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public static final int ACCURACY
Constructor Detail |
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public JGraph()
public JGraph(net.moioli.chart.DefaultChart g)
g
- the DefaultChart to be drawnMethod Detail |
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public void paint(swingwt.awt.Graphics jg)
paint
in class swingwtx.swing.JComponent
jg
- the Graphics
context in which to paintpublic java.lang.Object clone()
clone
in class java.lang.Object
public net.moioli.chart.ChartI getGraph()
public void setGraph(net.moioli.chart.DefaultChart g)
g
- the new DefaultChartpublic void drawMe(swingwt.awt.Graphics jg, swingwt.awt.Rectangle clip)
jg
- the surface where this JGraph will be drawnclip
- the onscreen rectangle on which the DefaultChart will be drawnpublic double getMaxX()
public double getMinX()
public double getMaxY()
public double getMinY()
public int getPixelAccuracy()
public void setMaxX(double maxX)
maxX
- The maximum x value to be drawn.public void setMinX(double minX)
minX
- The minimum x value to be drawn.public void setMaxY(double maxY)
maxY
- The maximum y value to be drawn.public void setMinY(double minY)
minY
- The minimum y value to be drawn.public void setPixelAccuracy(int pixelAccuracy)
pixelAccuracy
- The pixelAccuracy to set. To draw mathematical functions,
DefaultChart will calculate the value of the function multiple
times. This parameter assigns the the number of pixels on the
x axis after which the y value will be recalculated. 1 is the
minimum possible value (maximum precision), 3 is recommended
in most cases.public boolean add(java.lang.Object arg0)
Collections that support this operation may place limitations on what elements may be added to this collection. In particular, some collections will refuse to add null elements, and others will impose restrictions on the type of elements that may be added. Collection classes should clearly specify in their documentation any restrictions on what elements may be added.
If a collection refuses to add a particular element for any reason other than that it already contains the element, it must throw an exception (rather than returning false). This preserves the invariant that a collection always contains the specified element after this call returns.
add
in interface CompatibleCollection
arg0
- element whose presence in this collection is to be ensured.
java.lang.UnsupportedOperationException
- add is not supported by this collection.
java.lang.ClassCastException
- class of the specified element prevents it from being added
to this collection.
java.lang.NullPointerException
- if the specified element is null and this collection does not
support null elements.
java.lang.IllegalArgumentException
- some aspect of this element prevents it from being added to
this collection.public boolean addAll(java.util.Collection arg0)
addAll
in interface CompatibleCollection
arg0
- elements to be inserted into this collection.
java.lang.UnsupportedOperationException
- if this collection does not support the addAll
method.
java.lang.ClassCastException
- if the class of an element of the specified collection
prevents it from being added to this collection.
java.lang.NullPointerException
- if the specified collection contains one or more null
elements and this collection does not support null elements,
or if the specified collection is null.
java.lang.IllegalArgumentException
- some aspect of an element of the specified collection
prevents it from being added to this collection.add(Object)
public void clear()
clear
in interface CompatibleCollection
java.lang.UnsupportedOperationException
- if the clear method is not supported by this
collection.public boolean contains(java.lang.Object arg0)
contains
in interface CompatibleCollection
arg0
- element whose presence in this collection is to be tested.
java.lang.ClassCastException
- if the type of the specified element is incompatible with
this collection (optional).
java.lang.NullPointerException
- if the specified element is null and this collection does not
support null elements (optional).public boolean containsAll(java.util.Collection arg0)
containsAll
in interface CompatibleCollection
arg0
- collection to be checked for containment in this collection.
java.lang.ClassCastException
- if the types of one or more elements in the specified
collection are incompatible with this collection (optional).
java.lang.NullPointerException
- if the specified collection contains one or more null
elements and this collection does not support null elements
(optional).
java.lang.NullPointerException
- if the specified collection is null.contains(Object)
public boolean isEmpty()
isEmpty
in interface CompatibleCollection
public java.util.Iterator iterator()
iterator
in interface CompatibleCollection
public boolean remove(java.lang.Object arg0)
remove
in interface CompatibleCollection
arg0
- element to be removed from this collection, if present.
java.lang.ClassCastException
- if the type of the specified element is incompatible with
this collection (optional).
java.lang.NullPointerException
- if the specified element is null and this collection does not
support null elements (optional).
java.lang.UnsupportedOperationException
- remove is not supported by this collection.public boolean removeAll(java.util.Collection arg0)
removeAll
in interface CompatibleCollection
arg0
- elements to be removed from this collection.
java.lang.UnsupportedOperationException
- if the removeAll method is not supported by this
collection.
java.lang.ClassCastException
- if the types of one or more elements in this collection are
incompatible with the specified collection (optional).
java.lang.NullPointerException
- if this collection contains one or more null elements and the
specified collection does not support null elements
(optional).
java.lang.NullPointerException
- if the specified collection is null.remove(Object)
,
contains(Object)
public boolean retainAll(java.util.Collection arg0)
retainAll
in interface CompatibleCollection
arg0
- elements to be retained in this collection.
java.lang.UnsupportedOperationException
- if the retainAll method is not supported by this
Collection.
java.lang.ClassCastException
- if the types of one or more elements in this collection are
incompatible with the specified collection (optional).
java.lang.NullPointerException
- if this collection contains one or more null elements and the
specified collection does not support null elements
(optional).
java.lang.NullPointerException
- if the specified collection is null.remove(Object)
,
contains(Object)
public java.lang.Object[] toArray()
The returned array will be "safe" in that no references to it are maintained by this collection. (In other words, this method must allocate a new array even if this collection is backed by an array). The caller is thus free to modify the returned array.
This method acts as bridge between array-based and collection-based APIs.
toArray
in interface CompatibleCollection
public java.lang.Object[] toArray(java.lang.Object[] arg0)
If this collection fits in the specified array with room to spare (i.e., the array has more elements than this collection), the element in the array immediately following the end of the collection is set to null. This is useful in determining the length of this collection only if the caller knows that this collection does not contain any null elements.)
If this collection makes any guarantees as to what order its elements are returned by its iterator, this method must return the elements in the same order.
Like the toArray method, this method acts as bridge between array-based and collection-based APIs. Further, this method allows precise control over the runtime type of the output array, and may, under certain circumstances, be used to save allocation costs
Suppose l is a List known to contain only strings. The following code can be used to dump the list into a newly allocated array of String:
String[] x = (String[]) v.toArray(new String[0]);
Note that toArray(new Object[0]) is identical in function to toArray().
toArray
in interface CompatibleCollection
arg0
- the array into which the elements of this collection are to be
stored, if it is big enough; otherwise, a new array of the
same runtime type is allocated for this purpose.
java.lang.ArrayStoreException
- the runtime type of the specified array is not a supertype of
the runtime type of every element in this collection.
java.lang.NullPointerException
- if the specified array is null.public int getCollectionSize()
getCollectionSize
in interface CompatibleCollection
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