web2py/applications/admin/static/js/ajax_editor.js

function prepareDataForSave(name,data) {
    var obj = new Object();
    obj.Name = name;
    obj.Data = data;
    return obj;
}

function prepareMultiPartPOST(data) {
    // var boundary = 'sPlItME' + Math.floor(Math.random()*10000);
    var boundary = '' + Math.floor(Math.random()*10000);
    var reqdata = '--' + boundary + '\r\n';
    //console.log(data.length);
    for (var i=0;i < data.length;i++) {
	reqdata += 'content-disposition: form-data; name="'; 
	reqdata += data[i].Name + '"';
	reqdata += "\r\n\r\n" ;
	reqdata +=  data[i].Data;
	reqdata += "\r\n" ;
	reqdata += '--' + boundary + '\r\n';
    }
    return new Array(reqdata,boundary);
}

function on_error() {
    jQuery("input[name='saved_on']").attr('style','background-color:red');
    jQuery("input[name='saved_on']").val('communication error');
}

function getData() {
    if (window.ace_editor) {
        var data = window.ace_editor.getSession().getValue();
    } else if (window.mirror) {
	var data = window.mirror.getValue();
    } else if (window.eamy) {
	var data = window.eamy.instances[0].getText();
    } else if (window.textarea) {
	var data = textarea.value;
    }
    return data;
}

function doHighlight(highlight) {
    if (window.ace_editor) {
	window.ace_editor.gotoLine(highlight.lineno);
    } else if (window.mirror) {
	window.mirror.setSelection({line:highlight.lineno,ch:0},
				   {line:highlight.end,ch:0});
    } else if (window.eamy) {
	// not implemented
    } else if (window.textarea) {
	editAreaLoader.setSelectionRange('body', highlight.start, highlight.end);
    }
}

function doClickSave() {
    var data = getData();
    var dataForPost = prepareMultiPartPOST(new Array(
	prepareDataForSave('data', data),
	prepareDataForSave('file_hash', 
			   jQuery("input[name='file_hash']").val()),
	prepareDataForSave('saved_on', 
			   jQuery("input[name='saved_on']").val()),
	prepareDataForSave('saved_on', 
			   jQuery("input[name='saved_on']").val()),
	prepareDataForSave('from_ajax','true')));
        // console.info(area.textarea.value);
        jQuery("input[name='saved_on']").attr('style',
					      'background-color:yellow');
	jQuery("input[name='saved_on']").val('saving now...')
	jQuery.ajax({
	  type: "POST",
	  contentType: 'multipart/form-data;boundary="' 
		    + dataForPost[1] + '"',
	  url: self.location.href,
	  dataType: "json",
	  data: dataForPost[0],
	  timeout: 5000,
          beforeSend: function(xhr) {
		    xhr.setRequestHeader('web2py-component-location',
					 document.location);
		    xhr.setRequestHeader('web2py-component-element',
					 'doClickSave');
		},
          success: function(json,text,xhr){

	    // show flash message (if any)
	    var flash=xhr.getResponseHeader('web2py-component-flash');
            if (flash) {
		var flashhtml = decodeURIComponent(flash);
		jQuery('.flash').html(flashhtml).slideDown();
	    } else jQuery('.flash').hide();

            // reenable disabled submit button
		    var t=jQuery("input[name='save']");
		    t.attr('class','');
            t.attr('disabled','');
	    try {
		if (json.error) {
		    window.location.href=json.redirect;
		} else {
		    // console.info( json.file_hash );
		    jQuery("input[name='file_hash']").val(json.file_hash);
		    jQuery("input[name='saved_on']").val(json.saved_on);
		    if (json.highlight) {
			doHighlight(json.highlight);
		    } else {
			jQuery("input[name='saved_on']").attr('style','background-color:#99FF99');
			jQuery(".flash").delay(1000).fadeOut('slow');
		    }
		    // console.info(jQuery("input[name='file_hash']").val());
		    var output = '<b>exposes:</b> ';
		    for ( var i in json.functions) {
			output += ' <a href="/' + json.application + '/' + json.controller + '/' + json.functions[i] + '">' + json.functions[i] + '</a>,';
		    }
		    if(output!='<b>exposes:</b> ') {
			jQuery("#exposed").html( output.substring(0, output.length-1));
		    }
		}
	    } catch(e) { on_error();}
		},
		    error: function(json) { on_error(); }
	    });
	return false;
}

function getSelectionRange() {
    var sel;
    if (window.ace_editor) {
	sel = {};
        range = window.ace_editor.getSelectionRange();
        // passing the line number directly, no need to read the text
        sel['start'] = range.start.row;
        sel['end'] = range.end.row;
        sel['data'] = '';
    } else if (window.mirror) {
	sel = {};
	sel['start'] = window.mirror.getCursor(true).line;
	sel['end'] = window.mirror.getCursor(false).line;
	sel['data'] = '';
    } else if (window.eamy) {
	sel = {};
	// not implemented
    } else if (window.textarea) {
        // passing offset, needs the text to calculate the line:
        sel = editAreaLoader.getSelectionRange('body');
        sel['data'] = getData();
    }
    return sel;
}

function doToggleBreakpoint(filename, url) {
    var sel = getSelectionRange();
    var dataForPost = prepareMultiPartPOST(new Array(
	prepareDataForSave('filename', filename),
	prepareDataForSave('sel_start', sel["start"]),
	prepareDataForSave('sel_end', sel["end"]),
	prepareDataForSave('data', sel['data'])));
	jQuery.ajax({
	  type: "POST",
	  contentType: 'multipart/form-data;boundary="'+dataForPost[1]+'"',
	  url: url,
	  dataType: "json",
	  data: dataForPost[0],
	  timeout: 5000,
      beforeSend: function(xhr) {
	  xhr.setRequestHeader('web2py-component-location',
			       document.location);
	  xhr.setRequestHeader('web2py-component-element',
			       'doSetBreakpoint');},
	  success: function(json,text,xhr){
	     // show flash message (if any)
	     var flash=xhr.getResponseHeader('web2py-component-flash');
	     if (flash) {
				jQuery('.flash').html(decodeURIComponent(flash))
				.append('<a href="#" class="close">&times;</a>')
				.slideDown();
		}
	     else jQuery('.flash').hide();
	     try {
		 if (json.error) {
		     window.location.href=json.redirect;
		 } else {
		     // mark the breakpoint if ok=True
		     // remove mark if ok=False
		     // do nothing if ok = null  
		     // alert(json.ok + json.lineno);
		 }
	     } catch(e) { on_error(); }
		},
		    error: function(json) { on_error(); }
	    });
	return false;
}


function keepalive(url) {
	jQuery.ajax({
	  type: "GET",
	  url: url,
	  timeout: 1000,
	  success: function(){},
	  error: function(x) { on_error(); } });
}