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/**
* SPDX-License-Identifier: Apache-2.0
*
* Copyright © 2021 jahoti <jahoti@tilde.team>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var pathParts = location.pathname.split('/'), itemRef = pathParts[pathParts.length - 1];
// Generate a function which, when invoked, loads the catalog holdings starting at i (one-indexed) focused on loc
function generateGoTo(i, set_loc) {
return function (e) {
e.preventDefault();
; // If this is a new search, "set_loc" won't be set; set it
var xhr = new XMLHttpRequest(), loc = set_loc || encodeURIComponent(locInput.value);
xhr.onreadystatechange = function () {
if (this.readyState === 4) {
if (this.status === 200) {
retrieved.innerHTML = this.responseText;
var i, node = document.getElementById('libslocator');
node.parentNode.removeChild(node);
for (node of retrieved.querySelectorAll('a[href^="javascript:findLibs(\'\', "]')) {
i = parseInt(node.href.split(',', 2)[1]);
node.onclick = generateGoTo(i, loc);
}
}
else alert('Search failed: response code ' + this.status);
}
}
xhr.open('GET', 'https://www.worldcat.org/wcpa/servlet/org.oclc.lac.ui.ajax.ServiceServlet?wcoclcnum=' + itemRef + '&start_holding='
+ i + '&serviceCommand=holdingsdata&loc=' + loc, true);
xhr.send();
};
}
var retriever = document.querySelector('.retrieving'), retrieved = document.getElementById('donelocator');
var locForm = document.createElement('form'), locLabel = document.createElement('label'), locInput = document.createElement('input'),
locSubmit = document.createElement('input');
locForm.appendChild(locLabel);
locForm.appendChild(locInput);
locForm.appendChild(locSubmit);
locInput.name = locLabel.htmlFor = 'cat_location';
locInput.type = 'text';
locInput.required = 'yes';
locLabel.innerText = 'Find copies closest to: ';
locSubmit.value = 'Go';
locSubmit.type = 'submit';
locForm.onsubmit = generateGoTo(1);
retriever.parentNode.replaceChild(locForm, retriever);
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