我試圖修改一個jQuery library,簡化與Flickr API的溝通,獲取Flickr標籤的raw versions,而不是clean/machine-readable versions。Flickr API - 獲取原始標籤
以下圖書館的excerpt負責使用flickr.tags.getListUser
方法獲得乾淨的標籤:
// handles requesting list of tags
$.flickr.tags = function(method, options, select) {
var options = $.extend($.flickr.settings, options || {}),
elements = $.flickr.self, tags
return elements.each(function() {
$.getJSON($.flickr.url(method, options), function(data) {
var list = $.flickr.tags.selectList(data.who.tags, select);
elements.append(list);
})
})
}
// converts tags into select list.
$.flickr.tags.selectList = function(tags, options) {
var optionList = $.map(tags.tag, function(tag) {
return ['<option value="' + tag._content + '">' + tag._content + '</option>']
}).join("\n")
var selectList = $('<select class="flickr"></select>');
if (options.multiple === true)
selectList.attr('multiple', 'multiple');
if (options.size !== undefined && options.size > 0)
selectList.attr('size', options.size);
if (options.prompt !== undefined && options.prompt != '')
selectList.append('<option value="" selected="selected">' + options.prompt + '</option>');
if (typeof(options.onchange) === 'function')
selectList.change(options.onchange);
return selectList.append(optionList)
}
// namespace to hold available API methods
$.flickr.methods = {
// http://www.flickr.com/services/api/flickr.tags.getListUser.html
tagSelect: function(options, select) {
$.flickr.tags('flickr.tags.getListUser', options, select)
}
}
到目前爲止,我已經在上面的修改是不成功的使用方法flickr.tags.getListUserRaw
。這兩種方法之間的差異是如何被退回標籤:
爲flickr.tags.getListUser
標籤返回的是這樣的:
<who id="[email protected]">
<tags>
<tag>gull</tag>
<tag>tag1</tag>
<tag>tag2</tag>
<tag>tags</tag>
<tag>test</tag>
</tags>
</who>
而對於flickr.tags.getListUserRaw
標籤返回的是這樣的:
<who id="[email protected]">
<tags>
<tag clean="foo">
<raw>foo</raw>
<raw>Foo</raw>
<raw>f:oo</raw>
</tag>
</tags>
</who>
所以,我修改了這樣的代碼:
// handles requesting list of tags
$.flickr.tags = function(method, options, select) {
var options = $.extend($.flickr.settings, options || {}),
elements = $.flickr.self, tags
return elements.each(function() {
$.getJSON($.flickr.url(method, options), function(data) {
var list = $.flickr.tags.selectList(data.who.tags, select);
elements.append(list);
})
})
}
// converts tags into select list.
$.flickr.tags.selectList = function(tags, options) {
var optionList = $.map(tags.tag, function(tag) {
return ['<option value="' + tag.attr('clean') + '">' + tag.raw._content + '</option>']
}).join("\n")
var selectList = $('<select class="flickr-tags" data-placeholder="Choose a tag..."></select>');
if (options.multiple === true)
selectList.attr('multiple', 'multiple');
if (options.size !== undefined && options.size > 0)
selectList.attr('size', options.size);
/*
if (options.size == undefined)
selectList.attr('size', tags.size);
*/
if (options.prompt !== undefined && options.prompt != '')
selectList.append('<option value="" selected="selected">' + options.prompt + '</option>');
if (typeof(options.onchange) === 'function')
selectList.change(options.onchange);
return selectList.append(optionList)
}
// namespace to hold available API methods
$.flickr.methods = {
// http://www.flickr.com/services/api/flickr.tags.getListUserRaw.html
tagSelect: function(options, select) {
$.flickr.tags('flickr.tags.getListUserRaw', options, select)
}
}
但它不起作用。我確信我錯過了一些東西,並會感激我指着正確的方向。