127 lines
No EOL
3.7 KiB
JavaScript
127 lines
No EOL
3.7 KiB
JavaScript
//////////////////////////////////////////////////////////////////////////////
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//
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// Scholar_File_Interface_Export
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//
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//////////////////////////////////////////////////////////////////////////////
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// Class to provide options for export
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var Scholar_File_Interface_Export = new function() {
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this.init = init;
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this.updateOptions = updateOptions;
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this.accept = accept;
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this.cancel = cancel;
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/*
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* add options to export
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*/
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function init() {
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var addedOptions = new Object();
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var translators = window.arguments[0].translators;
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var listbox = document.getElementById("format-popup");
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var formatMenu = document.getElementById("format-menu");
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var optionsBox = document.getElementById("translator-options");
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// add styles to list
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for(i in translators) {
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var itemNode = document.createElement("menuitem");
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itemNode.setAttribute("label", translators[i].label);
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listbox.appendChild(itemNode);
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// add options
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for(var option in translators[i].displayOptions) {
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if(!addedOptions[option]) { // if this option is not already
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// presented to the user
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// get readable name for option
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try {
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var optionLabel = Scholar.getString("exportOptions."+option);
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} catch(e) {
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var optionLabel = option;
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}
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// right now, option interface supports only boolean values, which
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// it interprets as checkboxes
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if(typeof(translators[i].displayOptions[option]) == "boolean") {
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var checkbox = document.createElement("checkbox");
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checkbox.setAttribute("id", "export-option-"+option);
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checkbox.setAttribute("label", optionLabel);
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optionsBox.appendChild(checkbox);
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}
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addedOptions[option] = true;
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}
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}
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}
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// select first item by default
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if(formatMenu.selectedIndex == -1) {
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formatMenu.selectedIndex = 0;
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}
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updateOptions();
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}
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/*
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* update translator-specific options
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*/
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function updateOptions() {
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// get selected translator
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var index = document.getElementById("format-menu").selectedIndex;
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var translatorOptions = window.arguments[0].translators[index].displayOptions;
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var optionsBox = document.getElementById("translator-options");
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for(var i=0; i<optionsBox.childNodes.length; i++) {
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// loop through options to see which should be enabled
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var node = optionsBox.childNodes[i];
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var optionName = node.getAttribute("id").toString().substr(14);
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if(translatorOptions[optionName] != undefined) {
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// option should be enabled
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node.disabled = undefined;
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var defValue = translatorOptions[optionName];
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if(typeof(defValue) == "boolean") {
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// if option exists, enable it and set to default value
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node.setAttribute("checked", (defValue ? "true" : "false"));
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}
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} else {
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// option should be disabled and unchecked to prevent confusion
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node.disabled = true;
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node.setAttribute("checked", "false");
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}
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}
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}
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/*
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* make option array reflect status
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*/
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function accept() {
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// set selected translator
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var index = document.getElementById("format-menu").selectedIndex;
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window.arguments[0].selectedTranslator = window.arguments[0].translators[index];
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// set options on selected translator
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var optionsAvailable = window.arguments[0].selectedTranslator.displayOptions;
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for(var option in optionsAvailable) {
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var defValue = optionsAvailable[option];
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var element = document.getElementById("export-option-"+option);
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if(typeof(defValue) == "boolean") {
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if(element.checked == true) {
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optionsAvailable[option] = true;
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} else {
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optionsAvailable[option] = false;
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}
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}
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}
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}
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/*
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* make option array reflect status
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*/
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function cancel() {
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window.arguments[0].selectedTranslator = false;
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}
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} |