diff -r ed19b689de87 -r 3cc57cb48aea metadataplayer edwin/metadataplayer/Arrow.js --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/metadataplayer edwin/metadataplayer/Arrow.js Fri Jun 15 13:04:55 2012 +0200 @@ -0,0 +1,105 @@ +IriSP.Widgets.Arrow = function(player, config) { + IriSP.Widgets.Widget.call(this, player, config); + this.current_pilot_widget = this.pilot_widget +}; + +IriSP.Widgets.Arrow.prototype = new IriSP.Widgets.Widget(); + +IriSP.Widgets.Arrow.prototype.defaults = { + arrow_height : 16, + arrow_width : 24, + base_height : 0, + base_curve : 0, + fill_url: IriSP.widgetsDir + '/img/pinstripe.png', + fill_color: "#ffffff", //Gradients can be used, e.g. "90-#000-#fff" for vertical white-to-black + stroke_color: "#b7b7b7", + stroke_width: 1.5, + animation_speed: 20, + pilot_widget: "Annotation" +} + +IriSP.Widgets.Arrow.prototype.draw = function() { + this.height = this.arrow_height + this.base_height; + this.$.addClass("Ldt-Arrow").css({ + height: this.height + "px", + "margin-top": "1px" + }); + this.paper = new Raphael(this.container, this.width, this.height ); + window.myArrow = this; + this.svgArrow = this.paper.path('M0,' + this.height + 'L' + this.width + ',' + this.height); + this.svgArrow.attr({ + stroke: this.stroke_color, + "stroke-width": this.stroke_width, + fill: this.fill_url ? ( 'url(' + this.fill_url + ')' ) : this.fill_color + }); + this.moveTo(0); + this.bindPopcorn("IriSP.Arrow.updatePosition","onUpdatePosition"); + this.bindPopcorn("IriSP.Arrow.takeover","onTakeover"); + this.bindPopcorn("IriSP.Arrow.release","onRelease"); +} + +IriSP.Widgets.Arrow.prototype.drawAt = function(_x) { + _x = Math.floor(Math.max(0, Math.min(_x, this.width))); + var _d = 'M0,' + this.height + + 'L0,' + Math.min( this.height, this.arrow_height + this.base_curve) + + 'Q0,' + this.arrow_height + + ' ' + Math.max(0, Math.min(this.base_curve, _x - this.arrow_width / 2)) + ',' + this.arrow_height + + 'L' + Math.max(0, _x - this.arrow_width / 2) + ',' + this.arrow_height + + 'L' + Math.max(0, _x - this.arrow_width / 2) + ',' + Math.min(this.arrow_height, 2 * this.arrow_height * _x / this.arrow_width) + + 'L' + _x + ',0' + + 'L' + Math.min(this.width, _x + this.arrow_width / 2) + ',' + Math.min(this.arrow_height, 2 * this.arrow_height * ( this.width - _x ) / this.arrow_width) + + 'L' + Math.min(this.width, _x + this.arrow_width / 2) + ',' + this.arrow_height + + 'L' + Math.min(this.width, Math.max(this.width - this.base_curve, _x + this.arrow_width / 2)) + ',' + this.arrow_height + + 'Q' + this.width + ',' + this.arrow_height + + ' ' + this.width + ',' + Math.min( this.height, this.arrow_height + this.base_curve) + + 'L' + this.width + ',' + this.height; + this.svgArrow.attr({ + path: _d + }); +} + +IriSP.Widgets.Arrow.prototype.moveTo = function(_x) { + this.targetX = Math.floor(Math.max(0, Math.min(_x, this.width))); + if (typeof this.animInterval === "undefined") { + this.animInterval = window.setInterval( + this.functionWrapper("increment"), + 40 + ) + } + this.increment(); +} + +IriSP.Widgets.Arrow.prototype.increment = function() { + if (typeof this.currentX === "undefined") { + this.currentX = this.targetX; + } + if (this.currentX < this.targetX) { + this.currentX = Math.min(this.targetX, this.currentX + this.animation_speed); + } + if (this.currentX > this.targetX) { + this.currentX = Math.max(this.targetX, this.currentX - this.animation_speed); + } + if (this.currentX === this.targetX) { + window.clearInterval(this.animInterval); + this.animInterval = undefined; + } + this.drawAt(this.currentX); +} + +IriSP.Widgets.Arrow.prototype.onUpdatePosition = function(_param) { + if (_param.widget === this.current_pilot_widget) { + if (typeof _param.x !== "undefined") { + this.moveTo(_param.x); + } else { + this.moveTo(this.width * _param.time / this.source.getDuration()); + } + } +} + +IriSP.Widgets.Arrow.prototype.onTakeover = function(_widget) { + this.current_pilot_widget = _widget; +} + +IriSP.Widgets.Arrow.prototype.onRelease = function(_widget) { + this.current_pilot_widget = this.pilot_widget; +}