![Will Moffat](/assets/img/avatar_default.png)
git-svn-id: http://google-refine.googlecode.com/svn/trunk@423 7d457c2a-affb-35e4-300a-418c747d4874
395 lines
12 KiB
JavaScript
395 lines
12 KiB
JavaScript
function ListFacet(div, config, options, selection) {
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this._div = div;
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this._config = config;
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this._options = options || {};
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if (!("sort" in this._options)) {
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this._options.sort = "name";
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}
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this._selection = selection || [];
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this._blankChoice = null;
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this._errorChoice = null;
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this._data = null;
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this.render();
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}
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ListFacet.reconstruct = function(div, uiState) {
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return new ListFacet(div, uiState.c, uiState.o, uiState.s);
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};
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ListFacet.prototype.reset = function() {
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this._selection = [];
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this._blankChoice = null;
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this._errorChoice = null;
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};
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ListFacet.prototype.getUIState = function() {
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var json = {
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c: this.getJSON(),
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o: this._options
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};
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json.s = json.c.selection;
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delete json.c.selection;
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return json;
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};
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ListFacet.prototype.getJSON = function() {
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var o = {
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type: "list",
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name: this._config.name,
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columnName: this._config.columnName,
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expression: this._config.expression,
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omitBlank: "omitBlank" in this._config ? this._config.omitBlank : false,
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omitError: "omitError" in this._config ? this._config.omitError : false,
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selection: [],
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selectBlank: this._blankChoice != null && this._blankChoice.s,
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selectError: this._errorChoice != null && this._errorChoice.s
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};
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for (var i = 0; i < this._selection.length; i++) {
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var choice = {
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v: cloneDeep(this._selection[i].v)
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};
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o.selection.push(choice);
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}
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return o;
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};
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ListFacet.prototype.hasSelection = function() {
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return this._selection.length > 0 ||
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(this._blankChoice != null && this._blankChoice.s) ||
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(this._errorChoice != null && this._errorChoice.s);
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};
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ListFacet.prototype.updateState = function(data) {
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this._data = data;
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if ("choices" in data) {
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var selection = [];
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var choices = data.choices;
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for (var i = 0; i < choices.length; i++) {
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var choice = choices[i];
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if (choice.s) {
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selection.push(choice);
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}
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}
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this._selection = selection;
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this._reSortChoices();
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this._blankChoice = data.blankChoice || null;
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this._errorChoice = data.errorChoice || null;
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}
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this.render();
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};
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ListFacet.prototype._reSortChoices = function() {
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this._data.choices.sort(this._options.sort == "name" ?
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function(a, b) {
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return a.v.l.localeCompare(b.v.l);
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} :
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function(a, b) {
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return b.c - a.c;
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}
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);
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};
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ListFacet.prototype.render = function() {
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var self = this;
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var scrollTop = 0;
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try {
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scrollTop = this._div[0].childNodes[1].scrollTop;
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} catch (e) {
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}
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var container = this._div.empty();
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var headerDiv = $('<div></div>').addClass("facet-title").appendTo(container);
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$('<span></span>').text(this._config.name).appendTo(headerDiv);
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var removeButton = $('<img>')
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.attr("src", "images/close.png")
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.attr("title", "Remove this facet")
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.addClass("facet-choice-link")
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.click(function() {
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self._remove();
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}).prependTo(headerDiv);
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var bodyDiv = $('<div></div>').addClass("facet-body");
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if (!("scroll" in this._options) || this._options.scroll) {
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bodyDiv.addClass("facet-body-scrollable");
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}
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if (this._data == null) {
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$('<div>').text("Loading...").addClass("facet-body-message").appendTo(bodyDiv);
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bodyDiv.appendTo(container);
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} else if ("error" in this._data) {
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$('<div>').text(this._data.error).addClass("facet-body-message").appendTo(bodyDiv);
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bodyDiv.appendTo(container);
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} else {
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var selectionCount = this._selection.length
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+ (this._blankChoice != null && this._blankChoice.s ? 1 : 0)
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+ (this._errorChoice != null && this._errorChoice.s ? 1 : 0);
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if (selectionCount > 0) {
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var reset = function() {
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self._reset();
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};
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removeButton.after(
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$('<a href="javascript:{}"></a>').addClass("facet-choice-link").text("reset").click(reset)
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);
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}
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var renderEdit = this._config.expression == "value";
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var renderChoice = function(choice, customLabel) {
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var label = customLabel || choice.v.l;
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var count = choice.c;
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var choiceDiv = $('<div></div>').addClass("facet-choice").appendTo(bodyDiv);
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if (choice.s) {
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choiceDiv.addClass("facet-choice-selected");
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}
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var a = $('<a href="javascript:{}"></a>').addClass("facet-choice-label").text(label).appendTo(choiceDiv);
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$('<span></span>').addClass("facet-choice-count").text(count).appendTo(choiceDiv);
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var select = function() {
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self._select(choice, false);
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};
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var selectOnly = function() {
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self._select(choice, true);
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};
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var deselect = function() {
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self._deselect(choice);
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};
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if (choice.s) { // selected
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if (selectionCount > 1) {
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// select only
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a.click(selectOnly);
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} else {
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// deselect
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a.click(deselect);
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}
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// remove link
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$('<a href="javascript:{}"></a>').addClass("facet-choice-link").text("remove").click(deselect).prependTo(choiceDiv);
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} else if (selectionCount > 0) {
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a.click(selectOnly);
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// include link
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$('<a href="javascript:{}"></a>').addClass("facet-choice-link").text("include").click(select).prependTo(choiceDiv);
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} else {
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a.click(select);
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}
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if (renderEdit && customLabel === undefined) {
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// edit link
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var editLink = $('<a href="javascript:{}"></a>').addClass("facet-choice-edit").text("edit").click(function() {
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self._editChoice(choice, choiceDiv);
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}).appendTo(choiceDiv);
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choiceDiv
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.mouseenter(function() {
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editLink.css("visibility", "visible");
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})
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.mouseleave(function() {
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editLink.css("visibility", "hidden");
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});
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}
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};
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var choices = this._data.choices;
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for (var i = 0; i < choices.length; i++) {
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renderChoice(choices[i]);
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}
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if (this._blankChoice != null) {
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renderChoice(this._blankChoice, "(blank)");
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}
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if (this._errorChoice != null) {
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renderChoice(this._errorChoice, "(error)");
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}
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bodyDiv.appendTo(container);
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bodyDiv[0].scrollTop = scrollTop;
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var footerDiv = $('<div></div>').addClass("facet-footer").appendTo(container);
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$('<span>').text(choices.length + " choices: ").appendTo(footerDiv);
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if (this._options.sort == "name") {
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$('<a href="javascript:{}"></a>').addClass("action").text("re-sort by count").click(function() {
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self._options.sort = "count";
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self._reSortChoices();
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self.render();
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}).appendTo(footerDiv);
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} else {
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$('<a href="javascript:{}"></a>').addClass("action").text("re-sort by name").click(function() {
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self._options.sort = "name";
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self._reSortChoices();
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self.render();
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}).appendTo(footerDiv);
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}
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if (this._config.expression == "value") {
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$('<span>').html(" • ").appendTo(footerDiv);
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$('<a href="javascript:{}"></a>').addClass("action").text("cluster").click(function() {
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self._doEdit();
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}).appendTo(footerDiv);
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}
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}
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};
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ListFacet.prototype._doEdit = function() {
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new ClusteringDialog(this._config.columnName, this._config.expression);
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};
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ListFacet.prototype._editChoice = function(choice, choiceDiv) {
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var self = this;
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var menu = MenuSystem.createMenu().addClass("data-table-cell-editor").width("400px");
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menu.html(
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'<table class="data-table-cell-editor-layout">' +
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'<tr>' +
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'<td colspan="3">' +
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'<textarea class="data-table-cell-editor-editor" bind="textarea" />' +
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'</td>' +
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'</tr>' +
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'<tr>' +
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'<td width="1%" align="center">' +
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'<button bind="okButton">Apply</button><br/>' +
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'<span class="data-table-cell-editor-key">Enter</span>' +
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'</td>' +
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'<td width="1%" align="center">' +
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'<button bind="cancelButton">Cancel</button><br/>' +
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'<span class="data-table-cell-editor-key">Esc</span>' +
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'</td>' +
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'<td>' +
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'</td>' +
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'</tr>' +
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'</table>'
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);
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var elmts = DOM.bind(menu);
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MenuSystem.showMenu(menu, function(){});
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MenuSystem.positionMenuLeftRight(menu, choiceDiv);
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var originalContent = choice.v.v;
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var commit = function() {
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var text = elmts.textarea[0].value;
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MenuSystem.dismissAll();
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Gridworks.postProcess(
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"mass-edit",
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{},
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{
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columnName: self._config.columnName,
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expression: "value",
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edits: JSON.stringify([{
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from: [ originalContent ],
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to: text
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}])
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},
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{ cellsChanged: true },
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{
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onDone: function(o) {
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var selection = [];
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var gotSelection = false;
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for (var i = 0; i < self._selection.length; i++) {
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var choice = self._selection[i];
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if (choice.v.v == originalContent) {
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if (gotSelection) {
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continue;
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}
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choice.v.v = text;
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gotSelection = true; // eliminate duplicated selections due to changing one selected choice to another
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}
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selection.push(choice);
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}
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self._selection = selection;
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}
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}
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);
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};
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elmts.okButton.click(commit);
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elmts.textarea
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.text(originalContent)
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.keydown(function(evt) {
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if (!evt.shiftKey) {
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if (evt.keyCode == 13) {
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commit();
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} else if (evt.keyCode == 27) {
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MenuSystem.dismissAll();
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}
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}
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})
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.select()
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.focus();
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elmts.cancelButton.click(function() {
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MenuSystem.dismissAll();
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});
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};
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ListFacet.prototype._select = function(choice, only) {
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if (only) {
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this._selection = [];
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if (this._blankChoice != null) {
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this._blankChoice.s = false;
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}
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if (this._errorChoice != null) {
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this._errorChoice.s = false;
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}
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}
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choice.s = true;
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if (choice !== this._errorChoice && choice !== this._blankChoice) {
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this._selection.push(choice);
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}
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this._updateRest();
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};
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ListFacet.prototype._deselect = function(choice) {
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if (choice === this._errorChoice || choice === this._blankChoice) {
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choice.s = false;
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} else {
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for (var i = this._selection.length - 1; i >= 0; i--) {
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if (this._selection[i] === choice) {
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this._selection.splice(i, 1);
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break;
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}
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}
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}
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this._updateRest();
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};
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ListFacet.prototype._reset = function() {
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this._selection = [];
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this._blankChoice = null;
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this._errorChoice = null;
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this._updateRest();
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};
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ListFacet.prototype._remove = function() {
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ui.browsingEngine.removeFacet(this);
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this._div = null;
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this._config = null;
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this._selection = null;
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this._blankChoice = null;
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this._errorChoice = null;
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this._data = null;
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};
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ListFacet.prototype._updateRest = function() {
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Gridworks.update({ engineChanged: true });
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};
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