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class Keys
{
private var _height:Number = 0;
public var left:Number = 0;
public var top:Number = 0;
private var count:Number = 0;
private var key_mcs:Array;
function Keys( left:Number, top:Number, styles:Array )
{
this.left = left;
this.top = top;
this.key_mcs = Array();
var key:Number = 0;
for( var i=0; i<styles.length; i++ )
{
// some lines may not have a key
if( (styles[i].font_size > 0) and (styles[i].key != '' ) )
{
this.key_mcs.push( this.make_key( styles[i], key ) );
key++;
}
}
this.count = key;
this.move();
}
//
// this should be in the destructor, but
// actionscript does not support them :-(
//
function del()
{
for( var i=0; i<this.key_mcs.length; i++ )
removeMovieClip(this.key_mcs[i]);
}
// each key is a MovieClip with text on it
function make_key( st:Style, c:Number )
{
var name2:String = "_key_block"+c;
var mc:MovieClip = _root.createEmptyMovieClip( name2, _root.getNextHighestDepth() );
var tf:TextField = mc.createTextField( 'txt', _root.getNextHighestDepth(), 10, 0, 100, 100 );
tf.text = st.key;
var fmt:TextFormat = new TextFormat();
fmt.color = st.colour;
fmt.font = "Verdana";
fmt.size = st.font_size;
fmt.align = "left";
tf.setTextFormat(fmt);
tf.autoSize="left";
var y:Number = (mc.txt._height/2) - (st.line_width/2);
mc.beginFill( st.colour, 100 );
mc.moveTo( 0, y );
mc.lineTo( 10, y );
mc.lineTo( 10, y+st.line_width );
mc.lineTo( 0, y+st.line_width );
mc.endFill();
mc._height = mc.txt._height;
return mc;
}
// shuffle the keys into place, keeping note of the total
// height the key block has taken up
function move()
{
if( this.count == 0 )
return;
var height:Number = 0;
var x:Number = left;
var top:Number = this.top;
for( var i=0; i<this.key_mcs.length; i++ )
{
var width:Number = this.key_mcs[i]._width;
if( ( x + width ) > Stage.width )
{
// it is past the edge of the stage, so move it down a line
x = left;
top += this.key_mcs[i]._height;
height += this.key_mcs[i]._height;
}
this.key_mcs[i]._x = x;
this.key_mcs[i]._y = top;
// move next key to the left + some padding between keys
x += width + 10;
}
// Ugly code:
height += this.key_mcs[0]._height;
this._height = height;
}
function height()
{
return this._height;
}
}
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