interface.js

(function($) {
  Ink.TradingInterface = function(options) {
    if (!(this instanceof arguments.callee)) {
      return new arguments.callee(arguments);
    }

    var self = this;
    
    self.initialize = function() {
      self.colors = {
        buyFill: "#98AA62",
        buyStroke:"#7A8743",
        sellFill: "#60909F",
        sellStroke: "#3E6A75",
        hoverStroke: "#333",
        selectedStroke: "#FEBC16"
      };
      
      self.stockID = options.stockID;
      self.ajaxSubmit = options.ajaxSubmit;
      self.replace = options.replace;
      self.tradingInterface = $('#stock_'+self.stockID+'_interface');
      self.advanced = options.advanced;
      self.reasonRequired = options.reasonRequired;
      
      if (self.replace) {
        self.insertHiddenReplaceField();
      }
      
      if (options.opinionMarket) {
        self.bindings();
        return true;
      }
      
      self.sellQuantities = options.sellQuantities;
      self.buyQuantities = options.buyQuantities;
      self.simpleInterface = self.tradingInterface.find('.simple_interface:first');
      self.advancedInterface = self.tradingInterface.find('.advanced_interface:first');
      self.simpleInterfaceDrawn = false;
      self.backgroundPaths = [];
      
      self.copyTradeReasonToAdvanced();
      self.bindings();
    
      if (self.advanced) {
        self.useAdvancedInterface();
      } else {
        self.useSimpleInterface();
      }      
    };
    
    self.bindings = function() {
      self.tradingInterface.find('form:first').submit(function(){
        return self.submitForm(this);
      });
         
      self.advancedInterface.find('.mode :radio').change(function(){
        self.customQuantityChanged();
      });
    
      self.advancedInterface.find('.custom_quantity').bind('keyup', function(){
        self.customQuantityChanged();
      }).bind('keydown', 'up', function(){ 
        self.changeCustomQuantity('up');
        return false;
      }).bind('keydown', 'down', function(){ 
        self.changeCustomQuantity('down');
        return false;
      }).bind('keydown', 's', function(){ 
        self.selectRadio(-1);
        return false;
      }).bind('keydown', 'b', function(){
        self.selectRadio(1);
        return false;
      });
      
      self.tradingInterface.find('.trade_reason :input').charCounter(140).focus(function(){
        $(this).next('.charcounter').fadeIn();
      });
    };
    
    self.useAdvancedInterface = function() {
      self.setAdvanced(true);
      self.tradingInterface.removeClass('simple_mode');
      
      self.simpleInterface.hide().find(':input').attr('disabled', true);
      self.advancedInterface.show().find(':input:not(.trade_submit)').attr('disabled', false);
    
      var customQuantity = parseInt(self.tradingInterface.find('.custom_quantity').val());
      var quantity = customQuantity;
      
      if (customQuantity == 0 || isNaN(customQuantity)) {
        var simpleQuantity = self.simpleInterface.find('input.hidden_quantity').val();
        simpleQuantity = parseInt(simpleQuantity);
        
        if (simpleQuantity == 0 || isNaN(simpleQuantity)) {
          if (self.buyQuantities.length > 0) {
            simpleQuantity = self.buyQuantities[0];
          } else if (self.sellQuantities.length > 0) {
            simpleQuantity = self.sellQuantities[0];
          } else {
            simpleQuantity = 1;
          }
        }

        self.tradingInterface.find('.custom_quantity').val(Math.abs(simpleQuantity));
        quantity = simpleQuantity;
      }
      
      setTimeout(function(){
        self.tradingInterface.find('.custom_quantity').get(0).focus();
      }, 100);
      self.selectRadio(quantity);
      self.customQuantityChanged();
    };
    
    self.useSimpleInterface = function() {
      self.setAdvanced(false);
      self.tradingInterface.addClass('simple_mode');
      
      self.advancedInterface.hide().find(':input').attr('disabled', true);
      self.simpleInterface.show().find(':input:not(.trade_submit)').attr('disabled', false);

      self.drawSimpleInterface();
      
      var val = parseInt(self.simpleInterface.find('input.hidden_quantity').val());
      if (val < 0 || val > 0) {
        self.quote(val);
      } else {
        self.quote('awaiting');
      }
    };


</snip>