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Diffstat (limited to 'radicale_infcloud/web/lib/jquery.placeholder-1.1.9.js')
| -rw-r--r-- | radicale_infcloud/web/lib/jquery.placeholder-1.1.9.js | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/radicale_infcloud/web/lib/jquery.placeholder-1.1.9.js b/radicale_infcloud/web/lib/jquery.placeholder-1.1.9.js new file mode 100644 index 0000000..f1ecba8 --- /dev/null +++ b/radicale_infcloud/web/lib/jquery.placeholder-1.1.9.js @@ -0,0 +1,195 @@ +/***************************************************************************** +jQuery Placeholder 1.1.9 (with minor modifications for CardDavMATE & CalDavZAP) + +Copyright (c) 2010 Michael J. Ryan (http://tracker1.info/) + +Dual licensed under the MIT and GPL licenses: + http://www.opensource.org/licenses/mit-license.php + http://www.gnu.org/licenses/gpl.html + +------------------------------------------------------------------------------ + +Sets up a watermark for inputted fields... this will create a LABEL.watermark +tag immediately following the input tag, the positioning will be set absolute, +and it will be positioned to match the input tag. + +To activate: + + $('input[placeholder],textarea[placeholder]').placeholder(); + + +NOTE, when changing a value via script: + + $('#input_id').val('new value').change(); //force change event, so placeholder sets properly + + +To style the tags as appropriate (you'll want to make sure the font matches): + + label.placeholder { + cursor: text; <--- display a cursor to match the text input + + padding: 4px 4px 4px 4px; <--- this should match the border+padding + for the input field(s) + color: #999999; <--- this will display as faded + } + +You'll also want to have the color set for browsers with native support + input:placeholder, textarea:placeholder { + color: #999999; + } + input::-webkit-input-placeholder, textarea::-webkit-input-placeholder { + color: #999999; + } + +------------------------------------------------------------------------------ + +Thanks to... + http://www.alistapart.com/articles/makingcompactformsmoreaccessible + http://plugins.jquery.com/project/overlabel + + This works similar to the overlabel, but creates the actual label tag + based on the placeholder attribute on the input tag, instead of + relying on the markup to provide it. + +*****************************************************************************/ +(function($){ + + var ph = "PLACEHOLDER-INPUT"; + var phl = "PLACEHOLDER-LABEL"; + var boundEvents = false; + var default_options = { + labelClass: 'placeholder' + }; + + //check for native support for placeholder attribute, if so stub methods and return + var input = document.createElement("input"); + if ('placeholder' in input) { + $.fn.placeholder = $.fn.unplaceholder = function(){}; //empty function + delete input; //cleanup IE memory + return; + }; + delete input; + + //bind to resize to fix placeholders when the page resizes (fields are hidden/displayed, which can change positioning). + $(window).resize(checkResize); + + + $.fn.placeholder = function(options) { + bindEvents(); + + var opts = $.extend(default_options, options) + + this.each(function(){ + var rnd=Math.random().toString(32).replace(/\./,'') + ,input=$(this) + ,label=$('<label style="position:absolute;display:none;top:0;left:0;"></label>'); + + if (!input.attr('placeholder') || input.data(ph) === ph) return; //already watermarked + + //make sure the input tag has an ID assigned, if not, assign one. + if (!input.attr('id')) input.attr('id', 'input_' + rnd); + + label .attr('id',input.attr('id') + "_placeholder") + .data(ph, '#' + input.attr('id')) //reference to the input tag + .attr('for',input.attr('id')) + .addClass(opts.labelClass) + .addClass(opts.labelClass + '-for-' + this.tagName.toLowerCase()) //ex: watermark-for-textarea + .addClass(phl) + .text(input.attr('placeholder')); + + input + .data(phl, '#' + label.attr('id')) //set a reference to the label + .data(ph,ph) //set that the field is watermarked + .addClass(ph) //add the watermark class + .after(label) //add the label field to the page + + //setup overlay + itemFocus.call(this); + itemBlur.call(this); + }); + }; + + $.fn.unplaceholder = function(){ + this.each(function(){ + var input=$(this), + label=$(input.data(phl)); + + if (input.data(ph) !== ph) return; + + label.remove(); + input.removeData(ph).removeData(phl).removeClass(ph).unbind('change',itemChange); + }); + }; + + function bindEvents() { + if (boundEvents) return; + + //prepare live bindings if not already done. + $(document).on('reset', 'form', function(){$(this).find('.'+ph).each(itemBlur);}); + $(document).on('keydown mousedown mouseclick focus focusin', '.'+ph, itemFocus); + $(document).on('blur focusout', '.'+ph, itemBlur); + $(document).on('change', '.'+ph, itemChange); + $(document).on('click mouseup', '.'+phl, function(){$($(this).data(ph)).focus();}); + + bound = true; + boundEvents = true; + }; + + function itemChange() { + var input = $(this); + if (!!input.val()) { + $(input.data(phl)).hide(); + return; + } + if (input.data(ph+'FOCUSED') != 1) { + showPHL(input); + } + } + + function itemFocus() { + $($(this).data(ph+'FOCUSED',1).data(phl)).hide(); + }; + + function itemBlur() { + var that = this; + showPHL($(this).removeData(ph+'FOCUSED')); + + //use timeout to let other validators/formatters directly bound to blur/focusout work + setTimeout(function(){ + var input = $(that); + + //if the item wasn't refocused, test the item + if (input.data(ph+'FOCUSED') != 1) { + showPHL(input); + } + }, 200); + }; + + function showPHL(input, forced) { + var label = $(input.data(phl)); + + //if not already shown, and needs to be, show it. + if ((forced || label.css('display') == 'none') && !input.val()) + label + .text(input.attr('placeholder')) + .css('top', input.position().top + 'px') + .css('left', input.position().left + 'px') + .css('display', 'block'); + + //console.dir({ 'input': { 'id':input.attr('id'), 'pos': input.position() }}); + } + + var cr; + function checkResize() { + if (cr) window.clearTimeout(cr); + cr = window.setTimeout(checkResize2, 50); + } + function checkResize2() { + $('.' + ph).each(function(){ + var input = $(this); + var focused = $(this).data(ph+'FOCUSED'); + if (!focused) showPHL(input, true); + }); + } + +}(jQuery));
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