totalcross.ui
Class ColorList

totalcross.lang.Object
  totalcross.ui.gfx.GfxSurface
      totalcross.ui.Control
          totalcross.ui.Container
              totalcross.ui.ListBox
                  totalcross.ui.ColorList

public class ColorList
extends ListBox

Implements a ListBox where colors can be choosen from. The only functional methods are setColors, getSelectedItem and getSelectedColor. Next an example of how to use this class as a combobox color chooser:

 add(foreCombo = new ComboBox(new ColorList()), CENTER, BOTTOM);
 

Nested Class Summary

static class

ColorList.Item Item added to the ListBox, containing the color as totalcross.lang.String and as int.

Field Summary

Fields inherited from class totalcross.ui.ListBox

back0, back1, btnX, btnX0, dragScroll, EXTRA_HEIGHT_FACTOR, extraHorizScrollButtonHeight, ihtBackColors, ihtForeColors, itemCount, items, offset, sbar, selectedIndex, simpleBorder, useFullWidthOnSelection, visibleItems, visibleLines, xOffset

Fields inherited from class totalcross.ui.Container

alwaysEraseBackground, BORDER_LOWERED, BORDER_NONE, BORDER_RAISED, BORDER_SIMPLE, children, controlFound, finishedStart, ignoreOnAddAgain, ignoreOnRemove, insets, lastH, lastScreenWidth, lastW, lastX, lastY, nextTransitionEffect, started, tabOrder, tail, TRANSITION_CLOSE, TRANSITION_NONE, TRANSITION_OPEN, transitionEffect

Fields inherited from class totalcross.ui.Control

AFTER, appId, appObj, asContainer, asWindow, backColor, BEFORE, BOTTOM, BOTTOM_OF, CENTER, CENTER_OF, clearValueInt, clearValueStr, enabled, enableUpdateScreen, FILL, FIT, fm, fmH, focusHandler, focusLess, focusOnPenDown, focusTraversable, font, foreColor, height, isHighlighting, KEEP, LEFT, onEventFirst, parent, PREFERRED, RANGE, repositionAllowed, RIGHT, RIGHT_OF, SAME, setFont, setH, setRel, setW, setX, setY, TOP, transparentBackground, uiCE, uiFlat, uiPalm, uiVista, visible, width, WILL_RESIZE, x, y

Constructor Summary

ColorList()

Method Summary

protected void	drawCursor(Graphics g, int sel, boolean on) This method is used to draw the cursor around the desired item
protected void	drawItem(Graphics g, int index, int dx, int dy) You can extend ListBox and overide this method to draw the items
protected void	drawSelectedItem(Graphics g, int index, int dx, int dy) You can extend ListBox and overide this method to draw the items
protected int	getItemWidth(int index) Returns the width of the given item index with the current fontmetrics.
int	getPreferredWidth() Returns the preferred width, ie, the size of the largest item plus the size of the scrollbar.
int	getSelectedColor() Returns the selected color or black if no one is selected.
Object	getSelectedItem() Returns the selected Item object, or a black Item representing the black color if none was selected.
void	setColors(int[] newColors) Sets the colors that will be displayed.

Methods inherited from class totalcross.ui.ListBox

add, add, add, add, clear, drawSelectedItem, enableHorizontalScroll, endSelection, find, getCursorColor, getFocusableControls, getItemAt, getItems, getPreferredHeight, getSelectedIndex, getText, handleGeographicalFocusChangeKeys, handleSelection, hideScrollBarIfNotNeeded, indexOf, insert, leftReached, onBoundsChanged, onColorsChanged, onEvent, onPaint, qsort, qsort, remove, remove, remove, removeAll, selectLast, setCursorColor, setEnabled, setItemAt, setSelectedIndex, setSelectedItem, setSelectedItemStartingWith, setSimpleBorder, size

Methods inherited from class totalcross.ui.Container

add, add, add, add, broadcastEvent, findChild, findNearestChild, findNextFocusControl, getBorderStyle, getChildren, getClientRect, getClientRect, getInsets, incLastX, incLastY, initUI, onAddAgain, onRemove, paintChildren, resize, resizeHeight, resizeWidth, setBorderStyle, setHighlighting, setInsets, swapToTopmostWindow

Methods inherited from class totalcross.ui.Control

_onEvent, addFocusListener, addGridListener, addHighlightListener, addKeyListener, addPenListener, addPressListener, addTimer, addTimer, addTimerListener, addWindowListener, changeHighlighted, contains, getAbsoluteRect, getBackColor, getEventListeners, getFont, getForeColor, getGraphics, getHeight, getNext, getParent, getParentWindow, getPos, getPressedEvent, getPrev, getRect, getSize, getWidth, getX, getX2, getY, getY2, isDisplayed, isEnabled, isInsideOrNear, isVisible, isVisibleAndInside, onFontChanged, onWindowPaintFinished, postEvent, postPressedEvent, removeFocusListener, removeGridListener, removeHighlightListener, removeKeyListener, removePenListener, removePressListener, removeTimer, removeTimerListener, removeWindowListener, repaint, repaintNow, reposition, reposition, requestFocus, setBackColor, setBackForeColors, setFocusLess, setFont, setForeColor, setRect, setRect, setRect, setRect, setVisible, translateFromOrigin, uiStyleChanged, updateScreen, updateTemporary

Methods inherited from class totalcross.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ColorList

public ColorList()

Method Detail

setColors

public void setColors(int[] newColors)

Sets the colors that will be displayed.

drawItem

protected void drawItem(Graphics g,
                        int index,
                        int dx,
                        int dy)

Description copied from class: ListBox

You can extend ListBox and overide this method to draw the items

Overrides:

drawItem in class ListBox

drawSelectedItem

protected void drawSelectedItem(Graphics g,
                                int index,
                                int dx,
                                int dy)

Description copied from class: ListBox

You can extend ListBox and overide this method to draw the items

Overrides:

drawSelectedItem in class ListBox

drawCursor

protected void drawCursor(Graphics g,
                          int sel,
                          boolean on)

Description copied from class: ListBox

This method is used to draw the cursor around the desired item

Overrides:

drawCursor in class ListBox

getPreferredWidth

public int getPreferredWidth()

Description copied from class: ListBox

Returns the preferred width, ie, the size of the largest item plus the size of the scrollbar.

Overrides:

getPreferredWidth in class ListBox

getItemWidth

protected int getItemWidth(int index)

Description copied from class: ListBox

Returns the width of the given item index with the current fontmetrics. Note: if you overide this class you must implement this method.

Overrides:

getItemWidth in class ListBox

getSelectedItem

public Object getSelectedItem()

Returns the selected Item object, or a black Item representing the black color if none was selected. From the Item you can retrieve the color as int. Use the getSelectedColor method to retrieve the color directly.

Overrides:

getSelectedItem in class ListBox

getSelectedColor

public int getSelectedColor()

Returns the selected color or black if no one is selected.