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| author | Jörn Zaefferer <joern.zaefferer@gmail.com> | 2011-05-23 23:52:29 +0200 |
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| committer | Jörn Zaefferer <joern.zaefferer@gmail.com> | 2011-05-23 23:52:29 +0200 |
| commit | 727a80a4d9193508b747b4f0136a65598545f4bb (patch) | |
| tree | 105cb635313d065eeb862c6a7cc81d9c9f6838e2 /demos/widget/default.html | |
| parent | 237bbc5aedb6d0ce935325309bff1795ebad45c5 (diff) | |
| download | jquery-ui-727a80a4d9193508b747b4f0136a65598545f4bb.tar.gz jquery-ui-727a80a4d9193508b747b4f0136a65598545f4bb.zip | |
Widget: Demo.
Diffstat (limited to 'demos/widget/default.html')
| -rw-r--r-- | demos/widget/default.html | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/demos/widget/default.html b/demos/widget/default.html new file mode 100644 index 000000000..0629d862a --- /dev/null +++ b/demos/widget/default.html @@ -0,0 +1,127 @@ +<!DOCTYPE html> +<html lang="en"> +<head> + <meta charset="utf-8"> + <title>jQuery UI Widget - Default functionality</title> + <link rel="stylesheet" href="../../themes/base/jquery.ui.all.css"> + <script src="../../jquery-1.5.1.js"></script> + <script src="../../ui/jquery.ui.core.js"></script> + <script src="../../ui/jquery.ui.widget.js"></script> + <script src="../../ui/jquery.ui.position.js"></script> + <link rel="stylesheet" href="../demos.css"> + <style> + /* this could go into custom.inlineedit.css */ + /* make it display:block to replace the block element that's being edited */ + .inlineedit-input { display: block; } + /* this would need a few more styles to make it look decent */ + </style> + <script> + $(function() { + // this defines a new widget, in the "custom" namespace + $.widget( "custom.inlineedit", { + // default options + options: { + submitOnBlur: true + }, + // this is the constructor + _create: function() { + // basic event binding to this.element + this._bind({ + // string as value is mapped to instance method + click: "start" + }); + + // creating a new element to show later + this.input = $( "<input>" ).addClass("inlineedit-input").hide().insertAfter( this.element ); + // with events on input, here functions that to do event-specific checks + this._bind( this.input, { + blur: function( event ) { + // ignore blur event if already hidden + if (!this.input.is(":visible")) { + return; + } + if ( this.options.submitOnBlur ) { + this.submit( event ) + } else { + this.cancel( event ); + } + }, + keyup: function( event ) { + // using $.ui.keyCode to map keyboard input to the right action + if ( event.keyCode === $.ui.keyCode.ENTER || event.keyCode === $.ui.keyCode.NUMPAD_ENTER ) { + this.submit( event ); + } else if ( event.keyCode === $.ui.keyCode.ESCAPE ) { + this.cancel( event ); + } + } + }); + }, + // a public method + start: function( event ) { + this.element.hide(); + this.input.val( this.element.text() ).show().focus(); + // trigger a custom event when something changes + this._trigger("start", event ); + }, + // another custom method + _hide: function( event ) { + this.input.hide(); + this.element.show(); + }, + submit: function( event ) { + var newValue = this.input.val(), + ui = { + value: newValue + }; + // trigger an event, cancel the default action when event handler returns false + if ( this._trigger( "submit", event, ui ) !== false ) { + this.element.text( newValue ); + } + this._hide(); + }, + cancel: function( event ) { + this._hide(); + // trigger an event when something changes + this._trigger( "cancel", event ); + } + }); + // this is how we can use our custom widget, just like any jQuery plugin + $( ".demo h1" ).inlineedit(); + $( ".demo p" ).inlineedit({ + // configure an option + submitOnBlur: false + }); + $( ".demo button" ).click( function() { + // call a public method + $( ".demo :custom-inlineedit" ).inlineedit( "start" ); + }); + // widget's create a custom selector + // triggered events can be used with regular bind, just prepend name + $( ".demo :custom-inlineedit" ).bind( "inlineeditstart inlineeditsubmit inlineeditcancel" , function( event, ui ) { + $( "<div></div>" ).text( "edit event " + event.type ).appendTo(".demo"); + }); + }); + </script> +</head> +<body> + +<div class="demo"> + +<div> + <h1>This is an editable header</h1> + <p>And an editable paragraph</p> + <button>Start editing</button> +</div> + +</div><!-- End demo --> + + + +<div class="demo-description"> +<p>This demo shows a simple custom widget built using the widget factory (jquery.ui.widget.js).</p> +<p>The header is set to change the element on blur, the paragraph only changes when you submit with Enter.</p> +<p><a href="http://wiki.jqueryui.com/w/page/12138135/Widget-factory">For more details on the widget factory, visit the jQuery UI planning wiki.</a></p> +</div><!-- End demo-description --> + +</body> +</html> |