1(function ($) { 2 3 $.alerts = { 4 5 // These properties can be read/written by accessing $.alerts.propertyName from your scripts at any time 6 7 verticalOffset : -75, // vertical offset of the dialog from center screen, in pixels 8 horizontalOffset : 0, // horizontal offset of the dialog from center screen, in pixels/ 9 repositionOnResize: true, // re-centers the dialog on window resize 10 overlayOpacity : .01, // transparency level of overlay 11 overlayColor : '#FFF', // base color of overlay 12 draggable : true, // make the dialogs draggable (requires UI Draggables plugin) 13 okButton : ' OK ', // text for the OK button 14 cancelButton : ' Cancel ', // text for the Cancel button 15 dialogClass : null, // if specified, this class will be applied to all dialogs 16 17 // Public methods 18 19 alert: function (message, title, callback) { 20 if (title == null) title = 'Alert'; 21 $.alerts._show(title, message, null, 'alert', function (result) { 22 if (callback) callback(result); 23 }); 24 }, 25 26 confirm: function (message, title, callback) { 27 if (title == null) title = 'Confirm'; 28 $.alerts._show(title, message, null, 'confirm', function (result) { 29 if (callback) callback(result); 30 }); 31 }, 32 33 prompt: function (message, value, title, callback) { 34 if (title == null) title = 'Prompt'; 35 $.alerts._show(title, message, value, 'prompt', function (result) { 36 if (callback) callback(result); 37 }); 38 }, 39 40 // Private methods 41 42 _show: function (title, msg, value, type, callback) { 43 44 $.alerts._hide(); 45 $.alerts._overlay('show'); 46 47 $("BODY").append( 48 '<div id="popup_container">' + 49 '<h1 id="popup_title"></h1>' + 50 '<div id="popup_content">' + 51 '<div id="popup_message"></div>' + 52 '</div>' + 53 '</div>'); 54 55 if ($.alerts.dialogClass) $("#popup_container").addClass($.alerts.dialogClass); 56 57 // IE6 Fix 58 var pos = ($.browser.msie && parseInt($.browser.version) <= 6 ) ? 'absolute' : 'fixed'; 59 60 $("#popup_container").css({ 61 position: pos, 62 zIndex : 99999, 63 padding : 0, 64 margin : 0 65 }); 66 67 $("#popup_title").text(title); 68 $("#popup_content").addClass(type); 69 $("#popup_message").text(msg); 70 $("#popup_message").html($("#popup_message").text().replace(/\n/g, '<br />')); 71 72 $("#popup_container").css({ 73 minWidth: $("#popup_container").outerWidth(), 74 maxWidth: $("#popup_container").outerWidth() 75 }); 76 77 $.alerts._reposition(); 78 $.alerts._maintainPosition(true); 79 80 switch (type) { 81 case 'alert': 82 $("#popup_message").after('<div id="popup_panel"><input type="button" value="' + $.alerts.okButton + '" id="popup_ok" /></div>'); 83 $("#popup_ok").click(function () { 84 $.alerts._hide(); 85 callback(true); 86 }); 87 $("#popup_ok").focus().keypress(function (e) { 88 if (e.keyCode == 13 || e.keyCode == 27) $("#popup_ok").trigger('click'); 89 }); 90 break; 91 case 'confirm': 92 $("#popup_message").after('<div id="popup_panel"><input type="button" value="' + $.alerts.okButton + '" id="popup_ok" /> <input type="button" value="' + $.alerts.cancelButton + '" id="popup_cancel" /></div>'); 93 $("#popup_ok").click(function () { 94 $.alerts._hide(); 95 if (callback) callback(true); 96 }); 97 $("#popup_cancel").click(function () { 98 $.alerts._hide(); 99 if (callback) callback(false); 100 }); 101 $("#popup_ok").focus(); 102 $("#popup_ok, #popup_cancel").keypress(function (e) { 103 if (e.keyCode == 13) $("#popup_ok").trigger('click'); 104 if (e.keyCode == 27) $("#popup_cancel").trigger('click'); 105 }); 106 break; 107 case 'prompt': 108 $("#popup_message").append('<br /><input type="text" size="30" id="popup_prompt" />').after('<div id="popup_panel"><input type="button" value="' + $.alerts.okButton + '" id="popup_ok" /> <input type="button" value="' + $.alerts.cancelButton + '" id="popup_cancel" /></div>'); 109 $("#popup_prompt").width($("#popup_message").width()); 110 $("#popup_ok").click(function () { 111 var val = $("#popup_prompt").val(); 112 $.alerts._hide(); 113 if (callback) callback(val); 114 }); 115 $("#popup_cancel").click(function () { 116 $.alerts._hide(); 117 if (callback) callback(null); 118 }); 119 $("#popup_prompt, #popup_ok, #popup_cancel").keypress(function (e) { 120 if (e.keyCode == 13) $("#popup_ok").trigger('click'); 121 if (e.keyCode == 27) $("#popup_cancel").trigger('click'); 122 }); 123 if (value) $("#popup_prompt").val(value); 124 $("#popup_prompt").focus().select(); 125 break; 126 } 127 128 // Make draggable 129 if ($.alerts.draggable) { 130 try {
131 $("#popup_container").draggable({ handle: $("#popup_title") }); 132 $("#popup_title").css({ cursor: 'move' }); 133 } catch (e) { /* requires jQuery UI draggables */ 134 } 135 } 136 }, 137 138 _hide: function () { 139 $("#popup_container").remove(); 140 $.alerts._overlay('hide'); 141 $.alerts._maintainPosition(false); 142 }, 143 144 _overlay: function (status) { 145 switch (status) { 146 case 'show': 147 $.alerts._overlay('hide'); 148 $("BODY").append('<div id="popup_overlay"></div>'); 149 $("#popup_overlay").css({ 150 position : 'absolute', 151 zIndex : 99998, 152 top : '0px', 153 left : '0px', 154 width : '100%', 155 height : $(document).height(), 156 background: $.alerts.overlayColor, 157 opacity : $.alerts.overlayOpacity 158 }); 159 break; 160 case 'hide': 161 $("#popup_overlay").remove(); 162 break; 163 } 164 }, 165 166 _reposition: function () { 167 var top = (($(window).height() / 2) - ($("#popup_container").outerHeight() / 2)) + $.alerts.verticalOffset; 168 var left = (($(window).width() / 2) - ($("#popup_container").outerWidth() / 2)) + $.alerts.horizontalOffset; 169 if (top < 0) top = 0; 170 if (left < 0) left = 0; 171 172 // IE6 fix 173 if ($.browser.msie && parseInt($.browser.version) <= 6) top = top + $(window).scrollTop(); 174 175 $("#popup_container").css({ 176 top : top + 'px', 177 left: left + 'px' 178 }); 179 $("#popup_overlay").height($(document).height()); 180 }, 181 182 _maintainPosition: function (status) { 183 if ($.alerts.repositionOnResize) { 184 switch (status) { 185 case true: 186 $(window).bind('resize', $.alerts._reposition); 187 break; 188 case false: 189 $(window).unbind('resize', $.alerts._reposition); 190 break; 191 } 192 } 193 } 194 195 } 196 197 // Shortuct functions 198 jAlert = function (message, title, callback) { 199 $.alerts.alert(message, title, callback); 200 } 201 202 jConfirm = function (message, title, callback) { 203 $.alerts.confirm(message, title, callback); 204 }; 205 206 jPrompt = function (message, value, title, callback) { 207 $.alerts.prompt(message, value, title, callback); 208 }; 209 210})(jQuery);
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