From e44a7e37b6c7b5961adaffc62b9042b8d442938e Mon Sep 17 00:00:00 2001 From: mensonge Date: Thu, 13 Nov 2008 09:49:11 +0000 Subject: New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f --- includes/js/dojox/validate/check.js | 261 ++++++++++++++++++++++++++++++++++++ 1 file changed, 261 insertions(+) create mode 100644 includes/js/dojox/validate/check.js (limited to 'includes/js/dojox/validate/check.js') diff --git a/includes/js/dojox/validate/check.js b/includes/js/dojox/validate/check.js new file mode 100644 index 0000000..015da79 --- /dev/null +++ b/includes/js/dojox/validate/check.js @@ -0,0 +1,261 @@ +if(!dojo._hasResource["dojox.validate.check"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code. +dojo._hasResource["dojox.validate.check"] = true; +dojo.provide("dojox.validate.check"); + +dojo.require("dojox.validate._base"); + +dojox.validate.check = function(/*HTMLFormElement*/form, /*Object*/profile){ + // summary: validates user input of an HTML form based on input profile + // + // description: + // returns an object that contains several methods summarizing the results of the validation + // + // form: form to be validated + // profile: specifies how the form fields are to be validated + // {trim:Array, uppercase:Array, lowercase:Array, ucfirst:Array, digit:Array, + // required:Array, dependencies:Object, constraints:Object, confirm:Object} + + // Essentially private properties of results object + var missing = []; + var invalid = []; + + // results object summarizes the validation + var results = { + isSuccessful: function() {return ( !this.hasInvalid() && !this.hasMissing() );}, + hasMissing: function() {return ( missing.length > 0 );}, + getMissing: function() {return missing;}, + isMissing: function(elemname) { + for(var i = 0; i < missing.length; i++){ + if(elemname == missing[i]){ return true; } + } + return false; + }, + hasInvalid: function() {return ( invalid.length > 0 );}, + getInvalid: function() {return invalid;}, + isInvalid: function(elemname){ + for(var i = 0; i < invalid.length; i++){ + if(elemname == invalid[i]){ return true; } + } + return false; + } + }; + + var _undef = function(name,object){ + return (typeof object[name] == "undefined"); + }; + + // Filters are applied before fields are validated. + // Trim removes white space at the front and end of the fields. + if(profile.trim instanceof Array){ + for(var i = 0; i < profile.trim.length; i++){ + var elem = form[profile.trim[i]]; + if(_undef("type", elem) || elem.type != "text" && elem.type != "textarea" && elem.type != "password"){ continue; } + elem.value = elem.value.replace(/(^\s*|\s*$)/g, ""); + } + } + // Convert to uppercase + if(profile.uppercase instanceof Array){ + for(var i = 0; i < profile.uppercase.length; i++){ + var elem = form[profile.uppercase[i]]; + if(_undef("type", elem) || elem.type != "text" && elem.type != "textarea" && elem.type != "password"){ continue; } + elem.value = elem.value.toUpperCase(); + } + } + // Convert to lowercase + if(profile.lowercase instanceof Array){ + for (var i = 0; i < profile.lowercase.length; i++){ + var elem = form[profile.lowercase[i]]; + if(_undef("type", elem) || elem.type != "text" && elem.type != "textarea" && elem.type != "password"){ continue; } + elem.value = elem.value.toLowerCase(); + } + } + // Uppercase first letter + if(profile.ucfirst instanceof Array){ + for(var i = 0; i < profile.ucfirst.length; i++){ + var elem = form[profile.ucfirst[i]]; + if(_undef("type", elem) || elem.type != "text" && elem.type != "textarea" && elem.type != "password"){ continue; } + elem.value = elem.value.replace(/\b\w+\b/g, function(word) { return word.substring(0,1).toUpperCase() + word.substring(1).toLowerCase(); }); + } + } + // Remove non digits characters from the input. + if(profile.digit instanceof Array){ + for(var i = 0; i < profile.digit.length; i++){ + var elem = form[profile.digit[i]]; + if(_undef("type", elem) || elem.type != "text" && elem.type != "textarea" && elem.type != "password"){ continue; } + elem.value = elem.value.replace(/\D/g, ""); + } + } + + // See if required input fields have values missing. + if(profile.required instanceof Array){ + for(var i = 0; i < profile.required.length; i++){ + if(!dojo.isString(profile.required[i])){ continue; } + var elem = form[profile.required[i]]; + // Are textbox, textarea, or password fields blank. + if(!_undef("type", elem) + && (elem.type == "text" || elem.type == "textarea" || elem.type == "password" || elem.type == "file") + && /^\s*$/.test(elem.value)){ + missing[missing.length] = elem.name; + } + // Does drop-down box have option selected. + else if(!_undef("type", elem) && (elem.type == "select-one" || elem.type == "select-multiple") + && (elem.selectedIndex == -1 + || /^\s*$/.test(elem.options[elem.selectedIndex].value))){ + missing[missing.length] = elem.name; + } + // Does radio button group (or check box group) have option checked. + else if(elem instanceof Array){ + var checked = false; + for(var j = 0; j < elem.length; j++){ + if (elem[j].checked) { checked = true; } + } + if(!checked){ + missing[missing.length] = elem[0].name; + } + } + } + } + + // See if checkbox groups and select boxes have x number of required values. + if(profile.required instanceof Array){ + for (var i = 0; i < profile.required.length; i++){ + if(!dojo.isObject(profile.required[i])){ continue; } + var elem, numRequired; + for(var name in profile.required[i]){ + elem = form[name]; + numRequired = profile.required[i][name]; + } + // case 1: elem is a check box group + if(elem instanceof Array){ + var checked = 0; + for(var j = 0; j < elem.length; j++){ + if(elem[j].checked){ checked++; } + } + if(checked < numRequired){ + missing[missing.length] = elem[0].name; + } + } + // case 2: elem is a select box + else if(!_undef("type", elem) && elem.type == "select-multiple" ){ + var selected = 0; + for(var j = 0; j < elem.options.length; j++){ + if (elem.options[j].selected && !/^\s*$/.test(elem.options[j].value)) { selected++; } + } + if(selected < numRequired){ + missing[missing.length] = elem.name; + } + } + } + } + + // Dependent fields are required when the target field is present (not blank). + // Todo: Support dependent and target fields that are radio button groups, or select drop-down lists. + // Todo: Make the dependency based on a specific value of the target field. + // Todo: allow dependent fields to have several required values, like {checkboxgroup: 3}. + if(dojo.isObject(profile.dependencies)){ + // properties of dependencies object are the names of dependent fields to be checked + for(name in profile.dependencies){ + var elem = form[name]; // the dependent element + if(_undef("type", elem)){continue;} + if(elem.type != "text" && elem.type != "textarea" && elem.type != "password"){ continue; } // limited support + if(/\S+/.test(elem.value)){ continue; } // has a value already + if(results.isMissing(elem.name)){ continue; } // already listed as missing + var target = form[profile.dependencies[name]]; + if(target.type != "text" && target.type != "textarea" && target.type != "password"){ continue; } // limited support + if(/^\s*$/.test(target.value)){ continue; } // skip if blank + missing[missing.length] = elem.name; // ok the dependent field is missing + } + } + + // Find invalid input fields. + if(dojo.isObject(profile.constraints)){ + // constraint properties are the names of fields to bevalidated + for(name in profile.constraints){ + var elem = form[name]; + if(!elem) {continue;} + + // skip if blank - its optional unless required, in which case it + // is already listed as missing. + if(!_undef("tagName",elem) + && (elem.tagName.toLowerCase().indexOf("input") >= 0 + || elem.tagName.toLowerCase().indexOf("textarea") >= 0) + && /^\s*$/.test(elem.value)){ + continue; + } + + var isValid = true; + // case 1: constraint value is validation function + if(dojo.isFunction(profile.constraints[name])){ + isValid = profile.constraints[name](elem.value); + }else if(dojo.isArray(profile.constraints[name])){ + + // handle nested arrays for multiple constraints + if(dojo.isArray(profile.constraints[name][0])){ + for (var i=0; i