/**
 * CustomePythonScript
 * Script to Get the Python source code from textbox, compile it and display output
 * @author Guru99
 
 * Will get code from each <pre class=codepython> tag and load it inside the Editor
 * On Clicking Run button it will compile the code in the browser
 * Will Display the output
 * @version 1.1 - 24-Feb-14 -Initial Version
 * @version 2.1 - 20-May-14 - Ramji Goyal - Code commented and Made same as PHP Editor
 * Used jQuery instead of "$" for removing any jQuery Conflicts
 */

/*******************************************Define Code mirror for each pre tag having class=codepython**************************************************/
jQuery(document).ready(function()
{
    // for each pre tag
    jQuery('pre.codepython').each(function()
    {
        var pre = this;
        var form = jQuery('form[name=samplepython]').clone();            //make clone of form
        jQuery(form).removeAttr('name');                          //remove name and hidden style
        jQuery(form).removeClass('hidden');
        jQuery(jQuery(form).find('textarea')[0]).val(jQuery(pre).text());   //copy pre tag value to form textarea
        jQuery(pre).replaceWith(form);  //replace pre tag with form

    });
    var editors = []; //array of editor



    // for each textarea tag applying codemirror

    jQuery('textarea[name=codepython]').each(function()
    {
        //set code mirror property look and feel
        var editor = CodeMirror.fromTextArea(this,
                {
                    lineNumbers: true,
                    matchBrackets: true,
                    mode: "text/x-python",
                    htmlMode: true,
                    tabMode: "shift"
                });
        editors.push(editor); //push this editor in to editors aray
    });
    /*******************************************************************************************************************************************************/



    /*******************************************Compile code and Display Output when Run button clicked************************************************/


    // on submit this function will call
    jQuery('form[id=frm_compilepython]').submit(function()
    {
    	var form = this;
        var myCodeMirror = jQuery(this).find('div textarea[name=codepython]');    // get first textarea of form
        var prog = jQuery(myCodeMirror).val();   // get value of codemirror
	window.stdout = jQuery(form).find('#output')[0];		//set global variable for output iframe
	if(!prog){alert('Enter Python code to Run');return false;}    // check if textarea is empty then display alert box
	jQuery(stdout).contents().find('body').empty();		// Clear the iframe first if having data in it
	jQuery(stdout).removeClass('hidden');
	//alert(prog);    
        Sk.configure({output:function(text){
        	text = text.replace(/</g, '&lt;');
        	//alert(text);
        	var ibody=jQuery(stdout).contents().find('body');	
        	var str = ibody.html() + text + '<br>';  // store the value in str variable
		console.log(ibody.html());
		autoResize(stdout);  // resize iframe as per the content of output
    		ibody.html(str);  // print the output into iframe
         }});
        try {
            Sk.importMainWithBody("<stdin>", false, prog);  // run the code of python
        } catch (e) {
            alert(e);
        }
	return false;
	});	
       function autoResize(id) {
        var newheight;
        var newwidth;
        if (document.getElementById) {
            newheight = id.contentWindow.document.body.scrollHeight;
            newwidth = id.contentWindow.document.body.scrollWidth;
        }
        id.height = (newheight) + "px";
        id.width = (newwidth) + "px";
    }
});



/*******************************************************************************************************************************************************/