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FScrollBarSymbol.as
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Text File
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2003-07-08
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12KB
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363 lines
FScrollBarClass = function()
{
if(this._height == 4)
{
return undefined;
}
this.init();
this.minPos = this.maxPos = this.pageSize = this.largeScroll = 0;
this.smallScroll = 1;
this.width = !this.horizontal ? this._height : this._width;
this._xscale = this._yscale = 100;
this.setScrollPosition(0);
this.tabEnabled = false;
if(this._targetInstanceName.length > 0)
{
this.setScrollTarget(this._parent[this._targetInstanceName]);
}
this.tabChildren = false;
this.setSize(this.width);
};
FScrollBarClass.prototype = new FUIComponentClass();
FScrollBarClass.prototype.setHorizontal = function(flag)
{
if(this.horizontal && !flag)
{
this._xscale = 100;
this._rotation = 0;
}
else if(flag && !this.horizontal)
{
this._xscale = -100;
this._rotation = -90;
}
this.horizontal = flag;
};
FScrollBarClass.prototype.setScrollProperties = function(pSize, mnPos, mxPos)
{
if(!this.enable)
{
return undefined;
}
this.pageSize = pSize;
this.minPos = Math.max(mnPos,0);
this.maxPos = Math.max(mxPos,0);
this.scrollPosition = Math.max(this.minPos,this.scrollPosition);
this.scrollPosition = Math.min(this.maxPos,this.scrollPosition);
if(this.maxPos - this.minPos <= 0)
{
this.scrollThumb_mc.removeMovieClip();
this.upArrow_mc.gotoAndStop(3);
this.downArrow_mc.gotoAndStop(3);
this.downArrow_mc.onPress = this.downArrow_mc.onRelease = this.downArrow_mc.onDragOut = null;
this.upArrow_mc.onPress = this.upArrow_mc.onRelease = this.upArrow_mc.onDragOut = null;
this.scrollTrack_mc.onPress = this.scrollTrack_mc.onRelease = null;
this.scrollTrack_mc.onDragOut = this.scrollTrack_mc.onRollOut = null;
this.scrollTrack_mc.useHandCursor = false;
}
else
{
var tmp = this.getScrollPosition();
this.upArrow_mc.gotoAndStop(1);
this.downArrow_mc.gotoAndStop(1);
this.upArrow_mc.onPress = this.upArrow_mc.onDragOver = this.startUpScroller;
this.upArrow_mc.onRelease = this.upArrow_mc.onDragOut = this.stopScrolling;
this.downArrow_mc.onPress = this.downArrow_mc.onDragOver = this.startDownScroller;
this.downArrow_mc.onRelease = this.downArrow_mc.onDragOut = this.stopScrolling;
this.scrollTrack_mc.onPress = this.scrollTrack_mc.onDragOver = this.startTrackScroller;
this.scrollTrack_mc.onRelease = this.stopScrolling;
this.scrollTrack_mc.onDragOut = this.stopScrolling;
this.scrollTrack_mc.onRollOut = this.stopScrolling;
this.scrollTrack_mc.useHandCursor = false;
this.attachMovie("ScrollThumb","scrollThumb_mc",3);
this.scrollThumb_mc._x = 0;
this.scrollThumb_mc._y = this.upArrow_mc._height;
this.scrollThumb_mc.onPress = this.startDragThumb;
this.scrollThumb_mc.controller = this;
this.scrollThumb_mc.onRelease = this.scrollThumb_mc.onReleaseOutside = this.stopDragThumb;
this.scrollThumb_mc.useHandCursor = false;
this.thumbHeight = this.pageSize / (this.maxPos - this.minPos + this.pageSize) * this.trackSize;
this.thumbMid_mc = this.scrollThumb_mc.mc_sliderMid;
this.thumbTop_mc = this.scrollThumb_mc.mc_sliderTop;
this.thumbBot_mc = this.scrollThumb_mc.mc_sliderBot;
this.thumbHeight = Math.max(this.thumbHeight,6);
this.midHeight = this.thumbHeight - this.thumbTop_mc._height - this.thumbBot_mc._height;
this.thumbMid_mc._yScale = this.midHeight * 100 / this.thumbMid_mc._height;
this.thumbMid_mc._y = this.thumbTop_mc._height;
this.thumbBot_mc._y = this.thumbTop_mc._height + this.midHeight;
this.scrollTop = this.scrollThumb_mc._y;
this.trackHeight = this.trackSize - this.thumbHeight;
this.scrollBot = this.trackHeight + this.scrollTop;
tmp = Math.min(tmp,this.maxPos);
this.setScrollPosition(Math.max(tmp,this.minPos));
}
};
FScrollBarClass.prototype.getScrollPosition = function()
{
return this.scrollPosition;
};
FScrollBarClass.prototype.setScrollPosition = function(pos)
{
this.scrollPosition = pos;
if(this.scrollThumb_mc != undefined)
{
pos = Math.min(pos,this.maxPos);
pos = Math.max(pos,this.minPos);
}
this.scrollThumb_mc._y = (pos - this.minPos) * this.trackHeight / (this.maxPos - this.minPos) + this.scrollTop;
this.executeCallBack();
};
FScrollBarClass.prototype.setLargeScroll = function(lScroll)
{
this.largeScroll = lScroll;
};
FScrollBarClass.prototype.setSmallScroll = function(sScroll)
{
this.smallScroll = sScroll;
};
FScrollBarClass.prototype.setEnabled = function(enabledFlag)
{
var wasEnabled = this.enable;
if(enabledFlag && !wasEnabled)
{
this.enable = enabledFlag;
if(this.textField != undefined)
{
this.setScrollTarget(this.textField);
}
else
{
this.setScrollProperties(this.pageSize,this.cachedMinPos,this.cachedMaxPos);
this.setScrollPosition(this.cachedPos);
}
this.clickFilter = undefined;
}
else if(!enabledFlag && wasEnabled)
{
this.textField.removeListener(this);
this.cachedPos = this.getScrollPosition();
this.cachedMinPos = this.minPos;
this.cachedMaxPos = this.maxPos;
if(this.clickFilter == undefined)
{
this.setScrollProperties(this.pageSize,0,0);
}
else
{
this.clickFilter = true;
}
this.enable = enabledFlag;
}
};
FScrollBarClass.prototype.setSize = function(hgt)
{
if(this._height == 1)
{
return undefined;
}
this.width = hgt;
this.scrollTrack_mc._yscale = 100;
this.scrollTrack_mc._yscale = 100 * this.width / this.scrollTrack_mc._height;
if(this.upArrow_mc == undefined)
{
this.attachMovie("UpArrow","upArrow_mc",1);
this.attachMovie("DownArrow","downArrow_mc",2);
this.downArrow_mc.controller = this.upArrow_mc.controller = this;
this.upArrow_mc.useHandCursor = this.downArrow_mc.useHandCursor = false;
this.upArrow_mc._x = this.upArrow_mc._y = 0;
this.downArrow_mc._x = 0;
}
this.scrollTrack_mc.controller = this;
this.downArrow_mc._y = this.width - this.downArrow_mc._height;
this.trackSize = this.width - 2 * this.downArrow_mc._height;
if(this.textField != undefined)
{
this.onTextChanged();
}
else
{
this.setScrollProperties(this.pageSize,this.minPos,this.maxPos);
}
};
FScrollBarClass.prototype.scrollIt = function(inc, mode)
{
var delt = this.smallScroll;
if(inc != "one")
{
delt = this.largeScroll != 0 ? this.largeScroll : this.pageSize;
}
var newPos = this.getScrollPosition() + mode * delt;
if(newPos > this.maxPos)
{
newPos = this.maxPos;
}
else if(newPos < this.minPos)
{
newPos = this.minPos;
}
this.setScrollPosition(newPos);
};
FScrollBarClass.prototype.startDragThumb = function()
{
this.lastY = this._ymouse;
this.onMouseMove = this.controller.dragThumb;
};
FScrollBarClass.prototype.dragThumb = function()
{
this.scrollMove = this._ymouse - this.lastY;
this.scrollMove += this._y;
if(this.scrollMove < this.controller.scrollTop)
{
this.scrollMove = this.controller.scrollTop;
}
else if(this.scrollMove > this.controller.scrollBot)
{
this.scrollMove = this.controller.scrollBot;
}
this._y = this.scrollMove;
var c = this.controller;
c.scrollPosition = Math.round((c.maxPos - c.minPos) * (this._y - c.scrollTop) / c.trackHeight) + c.minPos;
this.controller.isScrolling = true;
updateAfterEvent();
this.controller.executeCallBack();
};
FScrollBarClass.prototype.stopDragThumb = function()
{
this.controller.isScrolling = false;
this.onMouseMove = null;
};
FScrollBarClass.prototype.startTrackScroller = function()
{
this.controller.trackScroller();
this.controller.scrolling = setInterval(this.controller,"scrollInterval",500,"page",-1);
};
FScrollBarClass.prototype.scrollInterval = function(inc, mode)
{
clearInterval(this.scrolling);
if(inc == "page")
{
this.trackScroller();
}
else
{
this.scrollIt(inc,mode);
}
this.scrolling = setInterval(this,"scrollInterval",35,inc,mode);
};
FScrollBarClass.prototype.trackScroller = function()
{
if(this.scrollThumb_mc._y + this.thumbHeight < this._ymouse)
{
this.scrollIt("page",1);
}
else if(this.scrollThumb_mc._y > this._ymouse)
{
this.scrollIt("page",-1);
}
};
FScrollBarClass.prototype.stopScrolling = function()
{
this.controller.downArrow_mc.gotoAndStop(1);
this.controller.upArrow_mc.gotoAndStop(1);
clearInterval(this.controller.scrolling);
};
FScrollBarClass.prototype.startUpScroller = function()
{
this.controller.upArrow_mc.gotoAndStop(2);
this.controller.scrollIt("one",-1);
this.controller.scrolling = setInterval(this.controller,"scrollInterval",500,"one",-1);
};
FScrollBarClass.prototype.startDownScroller = function()
{
this.controller.downArrow_mc.gotoAndStop(2);
this.controller.scrollIt("one",1);
this.controller.scrolling = setInterval(this.controller,"scrollInterval",500,"one",1);
};
FScrollBarClass.prototype.setScrollTarget = function(tF)
{
if(tF == undefined)
{
this.textField.removeListener(this);
delete this.textField[!this.horizontal ? "vScroller" : "hScroller"];
if(this.textField.hScroller != undefined && this.textField.vScroller != undefined)
{
this.textField.unwatch("text");
this.textField.unwatch("htmltext");
}
}
this.textField = undefined;
if(!(tF instanceof TextField))
{
return undefined;
}
this.textField = tF;
this.textField[!this.horizontal ? "vScroller" : "hScroller"] = this;
this.onTextChanged();
this.onChanged = function()
{
this.onTextChanged();
};
this.onScroller = function()
{
if(!this.isScrolling)
{
if(!this.horizontal)
{
this.setScrollPosition(this.textField.scroll);
}
else
{
this.setScrollPosition(this.textField.hscroll);
}
}
};
this.textField.addListener(this);
this.textField.watch("text",this.callback);
this.textField.watch("htmlText",this.callback);
};
FScrollBarClass.prototype.callback = function(prop, oldVal, newVal)
{
clearInterval(this.hScroller.synchScroll);
clearInterval(this.vScroller.synchScroll);
this.hScroller.synchScroll = setInterval(this.hScroller,"onTextChanged",50);
this.vScroller.synchScroll = setInterval(this.vScroller,"onTextChanged",50);
return newVal;
};
FScrollBarClass.prototype.onTextChanged = function()
{
if(!this.enable || this.textField == undefined)
{
return undefined;
}
clearInterval(this.synchScroll);
if(this.horizontal)
{
var pos = this.textField.hscroll;
this.setScrollProperties(this.textField._width,0,this.textField.maxhscroll);
this.setScrollPosition(Math.min(pos,this.textField.maxhscroll));
}
else
{
var pos = this.textField.scroll;
var pageSize = this.textField.bottomScroll - this.textField.scroll;
this.setScrollProperties(pageSize,1,this.textField.maxscroll);
this.setScrollPosition(Math.min(pos,this.textField.maxscroll));
}
};
FScrollBarClass.prototype.executeCallBack = function()
{
if(this.textField == undefined)
{
super.executeCallBack();
}
else if(this.horizontal)
{
this.textField.hscroll = this.getScrollPosition();
}
else
{
this.textField.scroll = this.getScrollPosition();
}
};
Object.registerClass("FScrollBarSymbol",FScrollBarClass);