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Class com.trumphurst.controls.MultiColumnList

java.lang.Object
   |
   +----java.awt.Component
           |
           +----java.awt.Container
                   |
                   +----java.awt.Panel
                           |
                           +----com.trumphurst.controls.MultiColumnList

public class MultiColumnList

extends Panel

implements TView, MouseListener, MouseMotionListener, KeyListener, FocusListener, AdjustmentListener, ComponentListener

See Also:

TRowDocument, TTreeListDocument, ObjectPainter

MultiColumnList(ObjectPainter[])

Create a new list with the given columns.

MultiColumnList(ObjectPainter[], TRowDocument)

Create a new list with the given columns, and attach the given data.

adjustmentValueChanged(AdjustmentEvent)

Deal with scrollbar movement.

attach(TDocument)

Attach the View to the Document.

componentHidden(ComponentEvent)

componentMoved(ComponentEvent)

componentResized(ComponentEvent)

Called when this container gets resized.

componentShown(ComponentEvent)

countColumns()

Returns the number of columns in the list.

detach(TDocument)

Detach the View from the Document.

doubleClicked()

Called when user double-clicks on item in list, or presses <cr>.

focusGained(FocusEvent)

Change selection bar color if we get the focus.

focusLost(FocusEvent)

Change selection bar color if we lose the focus.

getBarColor()

BarColor - Color for the highlight bar.

getColors()

Colors - the arry of colors (one per column) used to draw each column.

getDoubleClickTime()

DoubleClickTime - microseconds between 2 mouse clicks for them to be counted as a double-click.

getDragSensitivity()

DragSensitivity - no of pixels either side of border where cursor changes to allow dragging border.

getHeadingColor()

HeadingColor - Color for the heading bar.

getMinimumWidth()

MinimumWidth - minimum width of a column.

getWidths()

Get the proportional widths of each column.

isAdjustable()

Adjustable - true if use is allowed to drag borders to change column sizes.

isFocusTraversable()

This Panel is a tabstop (can accept focus).

keyPressed(KeyEvent)

Handle standard list keyboard stuff.

keyReleased(KeyEvent)

keyTyped(KeyEvent)

makeItemVisible(int)

Make sure a given item in the list is visible on the screen.

mouseClicked(MouseEvent)

mouseDragged(MouseEvent)

If a column is selected, change it's width.

mouseEntered(MouseEvent)

mouseExited(MouseEvent)

mouseMoved(MouseEvent)

Change the mouse cursor if over a draggable column border.

mousePressed(MouseEvent)

Select a list item or a column to drag.

mouseReleased(MouseEvent)

Stop dragging a list column.

paint(Graphics)

Blit the backing image to the front.

select(int)

Select a given item in the list.

setAdjustable(boolean)

Adjustable - true if use is allowed to drag borders to change column sizes.

setBarColor(Color)

BarColor - Color for the highlight bar.

setColors(Color[])

Set the array of colors used to draw each column.

setDoubleClickTime(int)

DoubleClickTime - microseconds between 2 mouse clicks for them to be counted as a double-click.

setDragSensitivity(int)

DragSensitivity - no of pixels either side of border where cursor changes to allow dragging border.

setEnable(boolean)

Enable or disable the control.

setHeadingColor(Color)

HeadingColor - Color for the heading bar.

setMinimumWidth(int)

MinimumWidth - minimum width of a column.

setWidths(float[])

Set the proportional widths of each column.

toString()

Standard toString returns "DragGridPanel[x][y]" and Panel info.

update()

The Document has changed - update the whole view.

update(Graphics)

Called sometime after repaint().

update(Object)

Part of the Document has changed.

 public MultiColumnList(ObjectPainter t[],
                        TRowDocument doc)

Create a new list with the given columns, and attach the given data.

Parameters:

t - the array of ObjectPainters which will paint the columns.

doc - the TDocument containing the data.

 public MultiColumnList(ObjectPainter t[])

Create a new list with the given columns.

Parameters:

t - the array of ObjectPainters which will paint the columns.

 public void setWidths(float widths[])

Set the proportional widths of each column.

Parameters:

widths - the widths.

Throws: ArrayIndexOutOfBoundsException

if not enough widths are supplied.

 public float[] getWidths()

Get the proportional widths of each column.

Returns:

a float array containing the proportions (adds up to 1).

 public boolean isAdjustable()

Adjustable - true if use is allowed to drag borders to change column sizes.

 public void setAdjustable(boolean on)

Adjustable - true if use is allowed to drag borders to change column sizes.

 public int getMinimumWidth()

MinimumWidth - minimum width of a column.

 public void setMinimumWidth(int width)

MinimumWidth - minimum width of a column. Default 6.

 public int getDragSensitivity()

DragSensitivity - no of pixels either side of border where cursor changes to allow dragging border. If this is greater than MinimumWidth, it can get difficult to drag very small columns.

 public void setDragSensitivity(int s)

DragSensitivity - no of pixels either side of border where cursor changes to allow dragging border. If this is greater than MinimumWidth, it can get difficult to drag very small columns. Default 3.

 public int getDoubleClickTime()

DoubleClickTime - microseconds between 2 mouse clicks for them to be counted as a double-click.

 public void setDoubleClickTime(int t)

DoubleClickTime - microseconds between 2 mouse clicks for them to be counted as a double-click. Default 250.

 public Color[] getColors()

Colors - the arry of colors (one per column) used to draw each column. May be null to default to foregroundColor.

 public void setColors(Color c[])

Set the array of colors used to draw each column.

Parameters:

c - The color array (in column order), or null to use the default foregroundColor.

 public Color getHeadingColor()

HeadingColor - Color for the heading bar.

 public void setHeadingColor(Color c)

HeadingColor - Color for the heading bar. Defaults to background.

 public Color getBarColor()

BarColor - Color for the highlight bar.

 public void setBarColor(Color c)

BarColor - Color for the highlight bar. Default black.

 public int countColumns()

Returns the number of columns in the list.

 public void select(int sel)

Select a given item in the list.

Parameters:

sel - the item number to select. Will be adjusted if out of range.

 public void makeItemVisible(int sel)

Make sure a given item in the list is visible on the screen.

Parameters:

sel - the item number to make visible. Will be adjusted if out of range.

 public void doubleClicked()

Called when user double-clicks on item in list, or presses <cr>.

 public void update()

The Document has changed - update the whole view.

 public void update(Object o)

Part of the Document has changed.

Parameters:

o - Object representing that part of the document which has changed.

 public synchronized void attach(TDocument d)

Attach the View to the Document.

Parameters:

d - the Document.

Throws: ClassCastException

if the document isn't a TRowDocument.

 public synchronized void detach(TDocument d)

Detach the View from the Document.

 public void setEnable(boolean enabled)

Enable or disable the control.

 public void paint(Graphics g)

Blit the backing image to the front.

Overrides:

paint in class Container

 public void update(Graphics g)

Called sometime after repaint().

Overrides:

update in class Container

 public boolean isFocusTraversable()

This Panel is a tabstop (can accept focus).

Overrides:

isFocusTraversable in class Component

 public String toString()

Standard toString returns "DragGridPanel[x][y]" and Panel info.

Overrides:

toString in class Component

 public void mouseMoved(MouseEvent e)

Change the mouse cursor if over a draggable column border.

 public void mousePressed(MouseEvent e)

Select a list item or a column to drag.

 public void mouseReleased(MouseEvent e)

Stop dragging a list column.

 public void mouseClicked(MouseEvent e)

 public void mouseEntered(MouseEvent e)

 public void mouseExited(MouseEvent e)

 public void mouseDragged(MouseEvent e)

If a column is selected, change it's width.

 public void focusGained(FocusEvent e)

Change selection bar color if we get the focus.

 public void focusLost(FocusEvent e)

Change selection bar color if we lose the focus.

 public void keyPressed(KeyEvent e)

Handle standard list keyboard stuff.

 public void keyReleased(KeyEvent e)

 public void keyTyped(KeyEvent e)

 public void adjustmentValueChanged(AdjustmentEvent e)

Deal with scrollbar movement.

 public void componentResized(ComponentEvent e)

Called when this container gets resized.

 public void componentMoved(ComponentEvent e)

 public void componentShown(ComponentEvent e)

 public void componentHidden(ComponentEvent e)

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