70 lines
1.8 KiB
JavaScript
70 lines
1.8 KiB
JavaScript
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// Globals
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//
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/*
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* Multiple Selection lists in HTML Document
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*/
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var tableColumnList;
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var indexColumnList;
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/*
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* Two Array vars
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*/
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var indexColumns, tableColumns;
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function buttonPressed(object) {
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if (object.name == "add") {
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from = tableColumnList;
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to = indexColumnList;
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}
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else {
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to = tableColumnList;
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from = indexColumnList;
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}
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var selectedOptions = getSelectedOptions(from);
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for (i = 0; i < selectedOptions.length; i++) {
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option = new Option(selectedOptions[i].text);
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addToArray(to, option);
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removeFromArray(from, selectedOptions[i].index);
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}
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}
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function doSelectAll() {
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for(var x = 0; x < indexColumnList.options.length; x++){
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indexColumnList.options[x].selected = true;
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}
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}
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function init() {
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tableColumnList = document.formIndex.TableColumnList;
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indexColumnList = document.getElementById("IndexColumnList");
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indexColumns = indexColumnList.options;
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tableColumns = tableColumnList.options;
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}
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function getSelectedOptions(obj) {
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var selectedOptions = new Array();
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for (i = 0; i < obj.options.length; i++) {
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if (obj.options[i].selected) {
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selectedOptions.push(obj.options[i]);
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}
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}
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return selectedOptions;
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}
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function removeFromArray(obj, index) {
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obj.remove(index);
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}
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function addToArray(obj, item) {
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obj.options[obj.options.length] = item;
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}
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