Created
August 3, 2011 16:44
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inline edit and dirty detection
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<!DOCTYPE HTML> | |
<html xmlns:ng="http://angularjs.org"> | |
<head> | |
<title>Inline Edit</title> | |
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.6.2/jquery.js" type="text/javascript"></script> | |
<script src="http://code.angularjs.org/0.9.18/angular-0.9.18.min.js" type="text/javascript" ng:autobind></script> | |
<style type="text/css"> | |
.dirty { | |
border: 1px solid #00AA00; | |
} | |
</style> | |
<script type="text/javascript"> | |
angular.service('data', function() { | |
var data = []; | |
for(var i = 0; i < 100; ++i) { | |
data.push({name: 'record '+i, id: i}); | |
} | |
return data; | |
}); | |
function FooController(data, $location) { | |
this.data = data; | |
this.$location = $location; | |
this.$watch('$location.hashSearch.page', this.resetFragments); | |
} | |
FooController.$inject = ['data', '$location']; | |
FooController.prototype = { | |
resetFragments: function() { | |
this.page = this.parsePage(this.$location.hashSearch.page); | |
this.updatePage(this.page); | |
this.masterFragment = this.data.slice(this.page * 10, (this.page+1)*10); | |
this.fragment = angular.copy(this.masterFragment); | |
}, | |
parsePage: function(page) { | |
page = page || '0'; | |
page = parseInt(page, 10); | |
if(page < 0) { | |
page = 0; | |
} | |
if(page * 10 >= this.data.length) { | |
page = Math.floor((this.data.length-1) / 10); | |
} | |
return page; | |
}, | |
next: function() { | |
this.updatePage(this.page + 1); | |
}, | |
prev: function() { | |
this.updatePage(this.page - 1); | |
}, | |
updatePage: function(page) { | |
this.$location.update({hashSearch: {page: page}}); | |
}, | |
save: function() { | |
for(var i = 0; i < 10; ++i) { | |
this.data[this.page * 10 + i] = this.fragment[i]; | |
} | |
this.resetFragments(); | |
}, | |
isDirty: function(rowIdx, property) { | |
return this.masterFragment[rowIdx][property] !== this.fragment[rowIdx][property]; | |
} | |
}; | |
angular.directive('ng:mark-dirty', function(expression, element) { | |
return function(element) { | |
var scope = this; | |
scope.$watch(expression, function() { | |
var isDirty = scope.$eval(expression); | |
element.toggleClass('dirty', isDirty); | |
}); | |
} | |
}); | |
function InlineEditController() { | |
this.$editing = false; | |
} | |
angular.widget('@ng:inline-edit', function(expression, element) { | |
var html = element.html(); | |
var replacementHtml = '<div ng:show="$editing">'+html+'</div>'+ | |
'<div ng:hide="$editing">{{'+expression+'}}</div>'; | |
element.html(replacementHtml); | |
element.attr('ng:controller', 'InlineEditController'); | |
this.descend(true); | |
this.directives(true); | |
return angular.extend(function($document, element) { | |
var scope = this; | |
function setEditing(val) { | |
return function() { | |
scope.$editing = val; | |
scope.$eval(); | |
} | |
} | |
element.click(function(e) { | |
if (!scope.$editing) { | |
setEditing(true)(); | |
} | |
e.stopPropagation(); | |
}); | |
element.keyup(function(e) { | |
if(e.keyCode === 13 || e.keyCode === 27) { | |
setEditing(false)(); | |
} | |
}); | |
element.find('input, textarea, select').blur(setEditing(false)); | |
$document.click(setEditing(false)); | |
}, {$inject: ['$document']}); | |
}); | |
</script> | |
</head> | |
<body ng:controller="FooController"> | |
<table> | |
<thead> | |
<tr> | |
<th>ID</th> | |
<th>Name</th> | |
</tr> | |
</thead> | |
<tbody> | |
<tr ng:repeat="row in fragment"> | |
<td ng:inline-edit="row.id" ng:mark-dirty="isDirty($index, 'id')"> | |
<input type="text" ng:format="number" name="row.id" /> | |
</td> | |
<td ng:inline-edit="row.name" ng:mark-dirty="isDirty($index, 'name')"> | |
<input type="text" name="row.name" /> | |
</td> | |
</tr> | |
</tbody> | |
</table> | |
<button ng:click="prev()">Prev</button> | |
<button ng:click="next()">Next</button> | |
Page: {{page}} | |
<br/> | |
<button ng:click="save()">Save</button> | |
</body> | |
</html> |
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