scratch-html5/js/Reporter.js
2014-03-09 11:59:38 -06:00

217 lines
7.8 KiB
JavaScript

// Copyright (C) 2013 Massachusetts Institute of Technology
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License version 2,
// as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
'use strict';
var Reporter = function(data) {
this.cmd = data.cmd;
this.color = data.color;
this.isDiscrete = data.isDiscrete;
this.mode = data.mode;
this.param = data.param;
this.sliderMin = data.sliderMin;
this.sliderMax = data.sliderMax;
this.target = data.target;
this.visible = data.visible;
this.x = data.x;
this.y = data.y;
this.z = io.getCount();
//Set the label after hydrating the cmd and param variables
this.label = this.determineReporterLabel();
this.el = null; // jQuery Element for the outer box
this.valueEl = null; // jQ element containing the reporter value
this.slider = null; // slider jQ element
};
Reporter.prototype.determineReporterLabel = function() {
if (this.target === 'Stage' && this.cmd === "getVar:") {
return this.param;
} else if (this.target === 'Stage' && this.param === null) {
return this.cmd;
} else {
return this.target + ': ' + this.param;
}
}
Reporter.prototype.attach = function(scene) {
switch (this.mode) {
case 1: // Normal
case 3: // Slider
this.el = $('<div class="reporter-normal">' + this.label + '</div>');
this.valueEl = $('<div class="reporter-inset">null</div>');
this.el.append(this.valueEl);
if (this.mode == 3) {
// Slider-specific
// Temporarily, set the value to sliderMin until an update
this.slider = $('<input type="range" min="' + this.sliderMin +
'" max="' + this.sliderMax + '" step="1" value="' +
this.sliderMin + '" data-target="' + this.target +
'" data-var="' + this.param + '">');
this.slider.change(this.changeSlider);
this.el.append('<br>');
this.el.append(this.slider);
}
break;
case 2: // Large
this.el = $('<div class="reporter-large">null</div>');
this.valueEl = this.el;
break;
}
this.el.css('left', this.x);
this.el.css('top', this.y);
this.el.css('z-index', this.z);
var cR = (this.color >> 16);
var cG = (this.color >> 8 & 255);
var cB = (this.color & 255);
this.valueEl.css('background-color', 'rgb(' + cR + ',' + cG + ',' + cB + ')');
this.el.css('display', this.visible ? 'inline-block' : 'none');
scene.append(this.el);
};
Reporter.prototype.update = function() {
this.el.css('display', this.visible ? 'inline-block' : 'none');
if (!this.visible) return;
var newValue = '';
var target = runtime.spriteNamed(this.target);
switch (this.cmd) {
case 'answer':
newValue = target.askAnswer;
break;
case 'getVar:':
newValue = target.variables[this.param];
break;
case 'xpos':
newValue = target.scratchX;
break;
case 'ypos':
newValue = target.scratchY;
break;
case 'heading':
newValue = target.direction;
break;
case 'scale':
newValue = target.getSize();
break;
case 'sceneName':
newValue = runtime.stage.costumes[runtime.stage.currentCostumeIndex].costumeName;
break;
case 'costumeIndex':
newValue = target.currentCostumeIndex + 1;
break;
case 'timer':
newValue = '' + Math.round(interp.primitiveTable.timer() * 10) / 10;
break;
}
if (typeof newValue === 'number' && Math.abs(newValue) > 0.001) {
newValue = Math.round(newValue * 1000) / 1000;
}
newValue = '' + newValue;
this.valueEl.html(newValue);
if (this.mode == 3) {
this.slider.val(Number(newValue));
}
};
Reporter.prototype.updateLayer = function() {
this.el.css('z-index', this.z);
};
Reporter.prototype.changeSlider = function() {
var newValue = Number($(this).val());
var target = runtime.spriteNamed($(this).attr('data-target'));
var variable = $(this).attr('data-var');
target.variables[variable] = newValue;
};
var List = function(data, sprite) {
this.contents = data.contents;
this.listName = data.listName;
this.height = data.height;
this.width = data.width;
this.x = data.x;
this.y = data.y;
this.z = io.getCount();
this.visible = data.visible;
this.target = sprite;
// this.isPersistent = data.isPersistent;
this.el = null; // jQuery element for list
this.containerEl = null;
this.scrollbar = null;
};
List.prototype.attach = function(scene) {
this.el = $('<div class="list">');
this.el.append('<div class="list-title">'+(this.target==='Stage'?'':this.target+' ')+this.listName);
var c = this.containerEl = $('<div style="overflow:hidden;float:left;position:relative">').appendTo(this.el).width(this.width-13).height(this.height-34);
var s = this.scrollbar = $('<div class="list-scrollbar-container"><div class="list-scrollbar">').appendTo(this.el);
var sb = s.children('.list-scrollbar');
sb.mousedown(function(e){
if (e.which===1) $(this).data({scrolling:true,startY:e.pageY}); // left button
});
$('body').mousemove(function(e){
if (sb.data('scrolling')) {
var offset = parseInt(sb.css('top'))+e.pageY-sb.data('startY');
if (offset < 0) {
offset = 0;
}
if (offset > c.height()-sb.height()) {
offset = c.height()-sb.height();
}
sb.css('top',offset);
c.scrollTop(c.height()/sb.height()*offset);
}
}).mouseup(function(){
if ($.hasData(sb[0],'scrolling')) sb.removeData(['scrolling','startY']);
});
// this.el.append('<div class="list-add">+'); // disabled because it doesn't do anything even in the original
this.el.append('<div class="list-length">length: '+this.contents.length);
scene.append(this.el);
this.update();
this.el.css('left', this.x);
this.el.css('top', this.y);
this.el.width(this.width);
this.el.height(this.height);
this.el.css('z-index', this.z);
this.el.css('display', this.visible ? 'inline-block' : 'none');
};
List.prototype.update = function(){
this.contents = findList(runtime.spriteNamed(this.target),this.listName);
this.el.css('display', this.visible ? 'inline-block' : 'none');
if (!this.visible) return;
var c = this.containerEl.html(''); // so that it can be used inside the forEach
this.contents.forEach(function(val,i){
$('<div style="clear:both">').appendTo(c).append('<div class="list-index">'+(i+1),'<div class="list-item">'+val);
});
c.find('.list-index').width(c.find('.list-index').last().width());
c.find('.list-item').width(c.width()-c.find('.list-index').width()-15);
var s = this.scrollbar.height(c.height());
s.children('.list-scrollbar').height(s.height()/c[0].scrollHeight*s.height()).css('display', s.children('.list-scrollbar').height()===c.height() ? 'none' : 'inline-block');
this.el.find('.list-length').text('length: '+this.contents.length);
};
List.prototype.updateLayer = function() {
this.el.css('z-index', this.z);
};