Gary Sharp
1 line
2.1 KiB
JavaScript
1 line
2.1 KiB
JavaScript
function DiscoExpressionEditor(n,t,i){this.host=n;this.hostDocument=null;this.hostContainer=null;this.validateUrl=t;this.expression=i?i:"";this.expressionHtml="";this.expressionException=null;this.hostInited=null;this.expressionValidated=null;this.expressionExceptionChanged=null}DiscoExpressionEditor.prototype={hostInit:function(){var n=this,i=function(){n.hostDocument=n.host.contents();n.hostContainer=n.hostDocument.find("body");n.host.focus(function(){n.setException(null);n.renderExpression()});n.hostContainer.bind("paste",function(){setTimeout(function(){n.setExpression(n.hostContainer.text())},50)});n.expression&&n.setExpression(n.expression);n.hostInited&&n.hostInited()},t=function(){n.host.unbind("load",t);n.host.load(i);n.host[0].contentWindow.document.designMode="on"};n.host.load(t)},parseExpression:function(n,t){for(var f,r,u=n.split("\n"),i=0;i<u.length;i++)t&&t.PositionRow==i+1?(f=u[i].trim(),r='<p id="line'+i+'" class="line lineError">',f.length>=t.PositionColumn?(r+=f.substr(0,t.PositionColumn-1),r+='<span class="error">'+f.substr(t.PositionColumn-1,1)+"<\/span>",r+=f.substr(t.PositionColumn)):(r+=f,r+='<span class="error"> <\/span>'),r+="<\/p>",u[i]=r):u[i]='<p id="line'+i+'" class="line">'+u[i].trim()+"<\/p>";return u.join("")},setExpression:function(n){this.expression=n;this.setException(null);this.renderExpression()},getExpression:function(){var n=null;return $("p",this.hostContainer).each(function(){n==null?n=$(this).text():n+="\n"+$(this).text()}),this.expression=n,n},setException:function(n){this.expressionException!==n&&(this.expressionException=n,this.expressionExceptionChanged&&this.expressionExceptionChanged(n))},renderExpression:function(){this.expressionHtml=this.parseExpression(this.expression,this.expressionException);this.hostContainer.html(this.expressionHtml)},validateExpression:function(){var n=this,t=n.getExpression();$.getJSON(n.validateUrl,{Expression:t},function(t){n.setException(t);n.renderExpression();n.expressionValidated&&n.expressionValidated(t.ExpressionValid,t)})}};String.prototype.trim=function(){return this.replace(/^\s+|\s+$/g,"")}; |