Code:
#initclip 3
/*
FComboBoxClass
EXTENDS FScrollSelectListClass
This class manages a "pulldown" scrolling list.
*/
function FComboBoxClass()
{
_global._popUpLevel = (_global._popUpLevel==undefined) ? 20000 : _global._popUpLevel+1;
// Testing for _root's existence?
this.superHolder = _root.createEmptyMovieClip("superHolder" + _popUpLevel, _popUpLevel);
var testContainer = this.superHolder.createEmptyMovieClip("testCont", 20000);
var testBox = testContainer.attachMovie("FBoundingBoxSymbol", "boundingBox_mc", 0);
if (testBox._name==undefined) {
// _root doesn't exist.
this.superHolder.removeMovieClip();
this.superHolder = this._parent.createEmptyMovieClip("superHolder" + _popUpLevel, _popUpLevel);
} else {
testContainer.removeMovieClip();
}
if (this.rowCount==undefined) {
this.rowCount=8;
this.editable = false;
}
this.itemSymbol = "FComboBoxItemSymbol";
this.init();
this.permaScrollBar = false;
this.proxyBox_mc.gotoAndStop(1);
this.width = this._width;
this.height =this.proxyBox_mc._height*this._yscale/100;
for (var i=0; i<this.labels.length; i++) {
this.addItem(this.labels[i], this.data[i]);
}
this.lastSelected = 0;
this.selectItem(0);
this._xscale = this._yscale = 100;
this.opened = false;
this.setSize(this.width);
this.highlightTop(false);
if (this.changeHandler.length>0) {
this.setChangeHandler(this.changeHandler);
}
this.onUnload = function()
{
this.superHolder.removeMovieClip();
}
this.setSelectedIndex(0, false);
this.value = "";
this.focusEnabled = true;
this.changeFlag = false;
}
FComboBoxClass.prototype = new FScrollSelectListClass();
Object.registerClass("FComboBoxSymbol", FComboBoxClass);
// ::: PUBLIC METHODS
FComboBoxClass.prototype.modelChanged = function(eventObj)
{
super.modelChanged(eventObj);
var event = eventObj.event;
if (event=="addRows" || event=="deleteRows") {
var diff = eventObj.lastRow - eventObj.firstRow + 1;
var mode = (event=="addRows") ? 1 : -1;
var len = this.getLength();
var lenBefore = len-mode*diff;
if (this.rowCount>lenBefore || this.rowCount>len) {
this.invalidate("setSize");
}
if (this.getSelectedIndex()==undefined) {
this.setSelectedIndex(0, false);
}
} else if (event=="updateAll") {
this.invalidate("setSize");
}
}
FComboBoxClass.prototype.removeAll = function()
{
if (!this.enable) {
return;
}
super.removeAll();
if (this.editable) this.value="";
this.invalidate("setSize");
}
FComboBoxClass.prototype.setSize = function(w)
{
if (w==undefined || typeof(w)!="number" || w<=0 || !this.enable) {
return;
}
this.proxyBox_mc._width = w;
this.container_mc.removeMovieClip();
this.measureItmHgt();
this.container_mc = this.superHolder.createEmptyMovieClip("container", 3);
this.container_mc.tabChildren = false;
this.setPopUpLocation(this.container_mc);
this.container_mc.attachMovie("FBoundingBoxSymbol", "boundingBox_mc", 0);
this.boundingBox_mc = this.container_mc.boundingBox_mc;
this.boundingBox_mc.component = this;
this.registerSkinElement(this.boundingBox_mc.boundingBox, "background");
this.proxyBox_mc._height = this.itmHgt;
this.numDisplayed = Math.min(this.rowCount, this.getLength());
if (this.numDisplayed<3) {
this.numDisplayed = Math.min(3, this.getLength());
}
this.height = this.numDisplayed * (this.itmHgt-2) + 2;
super.setSize(w, this.height);
this.attachMovie("DownArrow", "downArrow", 10);
this.downArrow._y = 0;
this.downArrow._width = this.itmHgt;
this.downArrow._height = this.itmHgt;
this.downArrow._x = this.proxyBox_mc._width-this.downArrow._width;
this.setEditable(this.editable);
this.container_mc._visible = this.opened;
this.highlightTop(false);
this.fader = this.superHolder.attachMovie("FBoundingBoxSymbol", "faderX", 4);
this.registerSkinElement(this.fader.boundingBox, "background");
this.fader._width = this.width;
this.fader._height = this.height;
this.fader._visible = false;
}
FComboBoxClass.prototype.setDataProvider = function(dp)
{
super.setDataProvider(dp);
this.invalidate("setSize");
this.setSelectedIndex(0);
}
FComboBoxClass.prototype.getValue = function()
{
if (this.editable) {
return this.fLabel_mc.getLabel();
} else {
return super.getValue();
}
}
FComboBoxClass.prototype.getRowCount = function()
{
return this.rowCount;
}
FComboBoxClass.prototype.setRowCount = function(count)
{
this.rowCount = (this.getLength()>count) ? Math.max(count,3) : count;
this.setSize(this.width);
var len = this.getLength();
if (len-this.getScrollPosition()<this.rowCount) {
this.setScrollPosition(len-(Math.min(this.rowCount, len)));
this.invalidate("updateControl");
}
}
FComboBoxClass.prototype.setEditable = function(editableFlag)
{
if (!this.enable) return;
this.editable = editableFlag;
if (!this.editable) {
this.onPress = this.pressHandler;
this.useHandCursor = false;
this.trackAsMenu = true;
this.attachMovie("FComboBoxItemSymbol", "fLabel_mc", 5, {controller:this, itemNum:-1});
this.fLabel_mc.onRollOver = undefined;
this.fLabel_mc.setSize(this.width-this.itmHgt+1, this.itmHgt);
this.topLabel = this.getSelectedItem();
this.fLabel_mc.drawItem(this.topLabel, false);
this.highlightTop(false);
} else {
this.attachMovie("FLabelSymbol", "fLabel_mc", 5);
this.fLabel_txt = this.fLabel_mc.labelField;
this.fLabel_txt.type = "input";
this.fLabel_txt._x = 4;
this.fLabel_txt.onSetFocus = this.onLabelFocus;
this.fLabel_mc.setSize(this.width-this.itmHgt-3);
delete this.onPress;
this.fLabel_txt.onKillFocus = function()
{
this._parent._parent.myOnKillFocus();
}
this.fLabel_mc.setLabel(this.value);
this.fLabel_txt.onChanged = function() {
this._parent._parent.findInputText();
}
this.downArrow.onPress = this.buttonPressHandler;
this.downArrow.useHandCursor = false;
this.downArrow.trackAsMenu = true;
}
}
FComboBoxClass.prototype.setEnabled = function(enabledFlag)
{
enabledFlag = (enabledFlag == undefined || typeof(enabledFlag)!="boolean") ? true : enabledFlag;
super.setEnabled(enabledFlag);
this.registerSkinElement(this.boundingBox_mc.boundingBox, "background");
this.proxyBox_mc.gotoAndStop( (this.enable) ? "enabled" : "disabled");
this.downArrow.gotoAndStop( (this.enable) ? 1 : 3);
if (this.editable) {
this.fLabel_txt.type = (enabledFlag) ? "input" : "dynamic";
this.fLabel_txt.selectable = enabledFlag;
} else if (enabledFlag) {
this.fLabel_mc.drawItem(this.topLabel, false);
this.setSelectedIndex(this.getSelectedIndex(), false);
}
this.fLabel_mc.setEnabled(this.enable);
this.fLabel_txt.onSetFocus = (enabledFlag) ? this.onLabelFocus : undefined;
}
FComboBoxClass.prototype.setSelectedIndex = function(index, flag)
{
super.setSelectedIndex(index, flag);
if (!this.editable) {
this.topLabel = this.getSelectedItem();
this.fLabel_mc.drawItem(this.topLabel, false);
} else {
this.value = (flag!=undefined) ? "" : this.getSelectedItem().label;
this.fLabel_mc.setLabel(this.value);
}
this.invalidate("updateControl");
}
FComboBoxClass.prototype.setValue = function(value)
{
if (this.editable) {
this.fLabel_mc.setLabel(value);
this.value = value;
}
}
// ::: PRIVATE METHODS
FComboBoxClass.prototype.pressHandler = function()
{
this.focusRect.removeMovieClip();
if (this.enable) {
if (!this.opened) {
this.onMouseUp = this.releaseHandler;
} else {
this.onMouseUp = undefined;
}
this.changeFlag = false;
if (!this.focused) {
this.pressFocus();
this.clickFilter = (this.editable) ? false : true;
}
if (!this.clickFilter) {
this.openOrClose(!this.opened);
} else {
this.clickFilter = false;
}
}
}
FComboBoxClass.prototype.clickHandler = function(itmNum)
{
if (!this.focused) {
if (this.editable) {
this.fLabel_txt.onKillFocus = undefined;
}
this.pressFocus();
}
super.clickHandler(itmNum);
this.selectionHandler(itmNum);
this.onMouseUp = this.releaseHandler;
}
FComboBoxClass.prototype.highlightTop = function(flag)
{
if (!this.editable) {
this.fLabel_mc.drawItem(this.topLabel, flag);
}
}
FComboBoxClass.prototype.myOnSetFocus = function()
{
super.myOnSetFocus();
this.fLabel_mc.highlight_mc.gotoAndStop("enabled");
this.highlightTop(true);
}
FComboBoxClass.prototype.drawFocusRect = function()
{
this.drawRect(-2,-2, this.width+4, this._height+4);
}
FComboBoxClass.prototype.myOnKillFocus = function()
{
if (Selection.getFocus().indexOf("labelField")!=-1) return; // if the label is in focus, don't kill my focus!
super.myOnKillFocus();
delete this.fLabel_txt.onKeyDown;
this.openOrClose(false);
this.highlightTop(false);
}
FComboBoxClass.prototype.setPopUpLocation = function(mcRef)
{
mcRef._x = this._x;
var point = { x : this._x, y : this._y + this.proxyBox_mc._height};
this._parent.localToGlobal(point);
mcRef._parent.globalToLocal(point);
mcRef._x = point.x;
mcRef._y = point.y;
if (this.height+mcRef._y>=Stage.height) {
this.upward = true;
mcRef._y = point.y-this.height - this.proxyBox_mc._height;
} else {
this.upward = false;
}
}
FComboBoxClass.prototype.openOrClose = function(flag)
{
if (this.getLength()==0) return;
this.setPopUpLocation(this.container_mc);
if (this.lastSelected!=-1 && (this.lastSelected<this.topDisplayed || this.lastSelected>this.topDisplayed+this.numDisplayed)) {
super.moveSelBy(this.lastSelected-this.getSelectedIndex());
}
(flag) ? this.downArrow.gotoAndStop(2) : this.downArrow.gotoAndStop(1);
if (flag==this.opened) {
return ;
}
this.highlightTop(!flag);
this.fadeRate = this.styleTable.popUpFade.value;
if (!flag || this.fadeRate==undefined || this.fadeRate==0) {
this.opened = this.container_mc._visible = flag;
return;
}
// code for fading in - depends on a prop called popUpFade.
this.setPopUpLocation(this.fader);
this.time = 0;
this.const = 85 / Math.sqrt(this.fadeRate);
this.fader._alpha = 85;
this.container_mc._visible = this.fader._visible = true;
this.onEnterFrame = function()
{
this.fader._alpha = 100 - (this.const * Math.sqrt(++this.time) + 15);
if (this.time>=this.fadeRate) {
this.fader._visible = false;
delete this.onEnterFrame;
this.opened = true;
}
}
}
FComboBoxClass.prototype.fireChange = function()
{
this.lastSelected = this.getSelectedIndex();
if (!this.editable) {
this.topLabel = this.getSelectedItem();
this.fLabel_mc.drawItem(this.topLabel, true);
} else {
this.value=this.getSelectedItem().label;
this.fLabel_mc.setLabel(this.value);
}
this.executeCallback();
}
FComboBoxClass.prototype.releaseHandler = function()
{
var onCombo = this.boundingBox_mc.hitTest(_root._xmouse, _root._ymouse);
if (this.changeFlag) {
if (onCombo) {
this.fireChange();
}
this.openOrClose(!this.opened);
} else if (onCombo) {
this.openOrClose(false);
} else {
this.onMouseDown = function()
{
if (!this.boundingBox_mc.hitTest(_root._xmouse, _root._ymouse) && !this.hitTest(_root._xmouse, _root._ymouse)) {
this.onMouseDown = undefined;
this.openOrClose(false);
}
}
}
this.changeFlag=false;
this.onMouseUp=undefined;
clearInterval(this.dragScrolling);
this.dragScrolling = undefined;
}
FComboBoxClass.prototype.moveSelBy = function(itemNum)
{
if (itemNum!=0) {
super.moveSelBy(itemNum);
if (this.editable) {
this.setValue(this.getSelectedItem().label);
}
if (!this.opened) {
if (this.changeFlag && !this.isSelected(this.lastSelected)) {
this.fireChange();
}
}
}
}
FComboBoxClass.prototype.myOnKeyDown = function()
{
if (!this.focused) return ;
if (this.editable && Key.isDown(Key.ENTER)) {
this.setValue(this.fLabel_mc.getLabel());
this.executeCallback();
this.openOrClose(false);
}
else if ( (Key.isDown(Key.ENTER) || (Key.isDown(Key.SPACE)&&!this.editable)) && this.opened) {
if (this.getSelectedIndex()!=this.lastSelected) {
this.fireChange();
}
this.openOrClose(false);
this.fLabel_txt.hscroll = 0;
}
super.myOnKeyDown();
}
FComboBoxClass.prototype.findInputText = function()
{
if (!this.editable) {
super.findInputText();
}
}
FComboBoxClass.prototype.onLabelFocus = function()
{
this._parent._parent.tabFocused = false;
this._parent._parent.focused = true;
this.onKeyDown = function()
{
this._parent._parent.myOnKeyDown();
}
Key.addListener(this);
}
FComboBoxClass.prototype.buttonPressHandler = function()
{
this._parent.pressHandler();
}
#endinitclip
this.deadPreview._visible = false;
[/code]
Combo Box - Newbie
Bookmarks