diff options
Diffstat (limited to 'libs/open-flash-chart/actionscript/XAxisLabels.as')
| -rw-r--r-- | libs/open-flash-chart/actionscript/XAxisLabels.as | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/libs/open-flash-chart/actionscript/XAxisLabels.as b/libs/open-flash-chart/actionscript/XAxisLabels.as new file mode 100644 index 0000000000..f170c4197a --- /dev/null +++ b/libs/open-flash-chart/actionscript/XAxisLabels.as @@ -0,0 +1,156 @@ +class XAxisLabels
+{
+ private var mcs:Array;
+ private var style:XLabelStyle;
+ public var labels:Array;
+
+ function XAxisLabels( lv:LoadVars, style:XLabelStyle )
+ {
+
+ if( lv.x_labels == undefined )
+ return;
+
+ var labels:Array = lv.x_labels.split(',');
+
+ this.style = style;
+
+ // what if there are more values than labels?
+
+ //this.count = this.labels.length;
+ this.labels = [];
+
+ this.mcs = Array();
+ for( var i:Number=0; i < labels.length; i++ )
+ {
+ this.add( labels[i] );
+
+ }
+ }
+
+ function add( label:String )
+ {
+ this.labels.push( label );
+
+ if( ( (this.labels.length-1) % style.step ) ==0 )
+ this.show_label( label, 'x_label_'+String(this.labels.length) );
+ }
+
+ function del()
+ {
+ this.labels.shift();
+
+ // delete all the MovieClips, and recreate them
+ // we have to do this because of the 'step' value
+ //
+ // I expect there is a better way of doing this...
+ //
+ for( var i:Number=0; i<this.mcs.length; i++ )
+ removeMovieClip(this.mcs[i]._name);
+
+ this.mcs = [];
+
+ // now we have deleted all the labels, re-create them
+ // note we use the step value so only create *some*
+ for( var i:Number=0; i<this.labels.length; i++ )
+ if( ( i % style.step ) == 0 )
+ this.show_label( this.labels[i], 'x_label_'+i );
+
+ }
+
+ function show_label( label:String, name:String )
+ {
+ // we create the text in its own movie clip, so when
+ // we rotate it, we can move the regestration point
+ var mc:MovieClip = _root.createEmptyMovieClip(name, _root.getNextHighestDepth() );
+ mc.createTextField('txt', _root.getNextHighestDepth(), 0, 0, 100, 80);
+ mc.txt.text = label;
+
+ if( style.vertical || style.diag )
+ {
+ // so we can rotate the text
+ mc.txt.embedFonts = true;
+ }
+
+ var fmt:TextFormat = new TextFormat();
+ fmt.color = style.colour;
+
+ if( style.vertical )
+ fmt.font = "Verdana_embed";
+ else
+ fmt.font = "Verdana";
+
+ fmt.size = style.size;
+ fmt.align = "left";
+ mc.txt.setTextFormat(fmt);
+ mc.txt.autoSize = "left";
+
+ if( style.vertical )
+ {
+ mc.txt._rotation = 270;
+ // LOOK: move registration point:
+ mc.txt._y = mc._height;
+ mc.txt._x = -(mc.txt._width/2)
+ }
+ else if( style.diag )
+ {
+ // shift the text so when we rotate the movie clip it rotates
+ // arround the last letter
+ mc.txt._x = -mc.txt._width;
+ mc.txt._y = -(mc.txt._height/2);
+ mc._rotation = -45;
+ }
+ else
+ {
+ mc.txt._x = -(mc.txt._width/2);
+ }
+
+ this.mcs.push( mc );
+ // we don't know the x & y locations yet...
+ }
+
+ function count()
+ {
+ return this.labels.length;
+ }
+
+ function height()
+ {
+ var height:Number = 0;
+ for( var i:Number=0; i<this.mcs.length; i++ )
+ height = Math.max( height, this.mcs[i]._height );
+
+ return height;
+ }
+
+ function move( yPos:Number, count:Number, b:Box )
+ {
+ var i:Number = 0;
+ for( var pos:Number=0; pos < this.mcs.length; pos++ )
+ {
+ this.mcs[pos]._x = b.get_x_tick_pos(i);
+ this.mcs[pos]._y = yPos;
+ i+=this.style.step;
+ }
+ }
+
+ //
+ // to help Box calculate the correct width:
+ //
+ function last_label_width()
+ {
+ // is the last label shown?
+ if( ( (this.labels.length-1) % style.step ) != 0 )
+ return 0;
+
+ // get the width of the right most label
+ // because it may stick out past the end of the graph
+ // and we don't want to truncate it.
+ return this.mcs[(this.mcs.length-1)]._width;
+ }
+
+ // see above comments
+ function first_label_width()
+ {
+ return this.mcs[0]._width;
+ }
+}
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