![David Huynh](/assets/img/avatar_default.png)
- fixed bug where recon features are not saved to file properly - support selecting non-numeric, blank, and error choices in numeric range facets git-svn-id: http://google-refine.googlecode.com/svn/trunk@265 7d457c2a-affb-35e4-300a-418c747d4874
354 lines
11 KiB
JavaScript
354 lines
11 KiB
JavaScript
function RangeFacet(div, config, options) {
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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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this._from = ("from" in this._config) ? this._config.from : null;
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this._to = ("to" in this._config) ? this._config.to : null;
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this._selectNonNumeric = true;
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this._selectBlank = true;
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this._selectError = true;
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this._nonNumericCount = 0;
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this._blankCount = 0;
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this._errorCount = 0;
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this._error = false;
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this._initializedUI = false;
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}
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RangeFacet.prototype._setDefaults = function() {
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switch (this._config.mode) {
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case "min":
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this._from = this._config.min;
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break;
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case "max":
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this._to = this._config.max;
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break;
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default:
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this._from = this._config.min;
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this._to = this._config.max;
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}
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this._selectNonNumeric = true;
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this._selectBlank = true;
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this._selectError = true;
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};
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RangeFacet.reconstruct = function(div, uiState) {
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return new RangeFacet(div, uiState.c, uiState.o);
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};
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RangeFacet.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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return json;
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}
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RangeFacet.prototype.getJSON = function() {
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var o = {
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type: "range",
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name: this._config.name,
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mode: this._config.mode,
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expression: this._config.expression,
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columnName: this._config.columnName,
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selectNonNumeric: this._selectNonNumeric,
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selectBlank: this._selectBlank,
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selectError: this._selectError
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};
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if (this._config.mode == "min" || this._config.mode == "range") {
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if (this._from != null) {
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o.from = this._from;
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}
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}
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if (this._config.mode == "max" || this._config.mode == "range") {
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if (this._to != null) {
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o.to = this._to;
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}
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}
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return o;
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};
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RangeFacet.prototype.hasSelection = function() {
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if (!this._selectNonNumeric || !this._selectBlank || !this._selectError) {
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return true;
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}
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switch (this._config.mode) {
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case "min":
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return this._from != null && (!this._initializedUI || this._from > this._config.min);
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case "max":
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return this._to != null && (!this._initializedUI || this._to < this._config.max);
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default:
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return (this._from != null && (!this._initializedUI || this._from > this._config.min)) ||
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(this._to != null && (!this._initializedUI || this._to < this._config.max));
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}
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};
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RangeFacet.prototype._initializeUI = function() {
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var self = this;
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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 resetButton = $('<a href="javascript:{}"></a>').addClass("facet-choice-link").text("reset").click(function() {
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switch (self._config.mode) {
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case "min":
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self._from = self._config.min;
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self._sliderDiv.slider("value", self._from);
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break;
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case "max":
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self._to = self._config.max;
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self._sliderDiv.slider("value", self._to);
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break;
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default:
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self._from = self._config.min;
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self._to = self._config.max;
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self._sliderDiv.slider("values", 0, self._from);
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self._sliderDiv.slider("values", 1, self._to);
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}
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self._selectNonNumeric = true;
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self._selectBlank = true;
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self._selectError = true;
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self._setRangeIndicators();
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self._updateRest();
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}).prependTo(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-range-body").appendTo(container);
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if (this._error) {
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return;
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}
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this._histogramDiv = $('<div></div>').addClass("facet-range-histogram").appendTo(bodyDiv);
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this._sliderDiv = $('<div></div>').addClass("facet-range-slider").appendTo(bodyDiv);
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this._statusDiv = $('<div></div>').addClass("facet-range-status").appendTo(bodyDiv);
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this._otherChoicesDiv = $('<div></div>').addClass("facet-range-other-choices").appendTo(bodyDiv);
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var onSlide = function(event, ui) {
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switch (self._config.mode) {
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case "min":
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self._from = ui.value;
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break;
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case "max":
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self._to = ui.value;
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break;
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default:
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self._from = ui.values[0];
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self._to = ui.values[1];
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}
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self._setRangeIndicators();
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};
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var onStop = function() {
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self._updateRest();
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};
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var sliderConfig = {
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range: "max",
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min: this._config.min,
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max: this._config.max,
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value: 2,
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stop: onStop,
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slide: onSlide
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};
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if ("step" in this._config) {
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sliderConfig.step = this._config.step;
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}
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switch (this._config.mode) {
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case "min":
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sliderConfig.range = "max";
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sliderConfig.value = this._from;
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break;
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case "max":
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sliderConfig.range = "min";
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sliderConfig.value = this._to;
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break;
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default:
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sliderConfig.range = true;
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sliderConfig.values = [ this._from, this._to ];
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}
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this._sliderDiv.slider(sliderConfig);
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this._setRangeIndicators();
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this._renderOtherChoices();
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};
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RangeFacet.prototype._renderOtherChoices = function() {
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var self = this;
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var container = this._otherChoicesDiv.empty();
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var table = $('<table>').attr("cellpadding", "0").attr("cellspacing", "1").css("white-space", "pre").appendTo(container)[0];
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var tr0 = table.insertRow(0);
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var tr1 = table.insertRow(1);
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var td00 = $(tr0.insertCell(0)).attr("width", "1%");
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var nonNumericCheck = $('<input type="checkbox" />').appendTo(td00).change(function() {
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self._selectNonNumeric = !self._selectNonNumeric;
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self._updateRest();
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});
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if (this._selectNonNumeric) {
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nonNumericCheck[0].checked = true;
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}
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var td01 = $(tr0.insertCell(1)).attr("colspan", "3");
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$('<span>').text("Non-numeric ").addClass("facet-choice-label").appendTo(td01);
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$('<span>').text(this._nonNumericCount).addClass("facet-choice-count").appendTo(td01);
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var td10 = $(tr1.insertCell(0)).attr("width", "1%");
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var blankCheck = $('<input type="checkbox" />').appendTo(td10).change(function() {
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self._selectBlank = !self._selectBlank;
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self._updateRest();
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});
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if (this._selectBlank) {
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blankCheck[0].checked = true;
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}
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var td11 = $(tr1.insertCell(1));
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$('<span>').text("Blank ").addClass("facet-choice-label").appendTo(td11);
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$('<span>').text(this._blankCount).addClass("facet-choice-count").appendTo(td11);
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var td12 = $(tr1.insertCell(2)).attr("width", "1%");
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var errorCheck = $('<input type="checkbox" />').appendTo(td12).change(function() {
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self._selectError = !self._selectError;
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self._updateRest();
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});
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if (this._selectError) {
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errorCheck[0].checked = true;
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}
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var td13 = $(tr1.insertCell(3));
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$('<span>').text("Error ").addClass("facet-choice-label").appendTo(td13);
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$('<span>').text(this._errorCount).addClass("facet-choice-count").appendTo(td13);
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};
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RangeFacet.prototype._setRangeIndicators = function() {
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var text;
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switch (this._config.mode) {
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case "min":
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text = "At least " + this._from;
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break;
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case "max":
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text = "At most " + this._to;
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break;
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default:
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text = this._from + " to " + this._to;
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}
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this._statusDiv.text(text);
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};
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RangeFacet.prototype.updateState = function(data) {
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if ("min" in data && "max" in data) {
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this._config.min = data.min;
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this._config.max = data.max;
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this._config.step = data.step;
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this._baseBins = data.baseBins;
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this._bins = data.bins;
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switch (this._config.mode) {
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case "min":
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this._from = Math.max(data.from, this._config.min);
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break;
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case "max":
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this._to = Math.min(data.to, this._config.max);
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break;
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default:
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this._from = Math.max(data.from, this._config.min);
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if ("to" in data) {
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this._to = Math.min(data.to, this._config.max);
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} else {
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this._to = data.max;
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}
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}
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this._nonNumericCount = data.nonNumericCount;
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this._blankCount = data.blankCount;
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this._errorCount = data.errorCount;
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} else {
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this._error = true;
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}
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this.render();
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};
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RangeFacet.prototype.render = function() {
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if (!this._initializedUI) {
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this._initializeUI();
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this._initializedUI = true;
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}
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if (this._error) {
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return;
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}
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this._sliderDiv.slider("option", "min", this._config.min);
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this._sliderDiv.slider("option", "max", this._config.max);
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this._sliderDiv.slider("option", "step", this._config.step);
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var max = 0;
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for (var i = 0; i < this._baseBins.length; i++) {
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max = Math.max(max, this._baseBins[i]);
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}
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if (max == 0) {
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this._histogramDiv.hide();
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} else {
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var values = [];
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var diffs = [];
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for (var i = 0; i < this._baseBins.length; i++) {
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var v = Math.ceil(100 * this._bins[i] / max);
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var diff = Math.ceil(100 * this._baseBins[i] / max) - v;
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values.push(v == 0 ? 0 : Math.max(2, v)); // use min 2 to make sure something shows up
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diffs.push(diff == 0 ? 0 : Math.max(2, diff));
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}
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this._histogramDiv.empty().show();
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$('<img />').attr("src",
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"http://chart.apis.google.com/chart?" + [
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"chs=" + this._histogramDiv[0].offsetWidth + "x50",
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//"cht=ls&chm=o,ff6600,0,-1,3&chls=0", // use for line plot
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"cht=bvs&chbh=r,0&chco=000088,aaaaff", // use for histogram
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"chd=t:" + values.join(",") + "|" + diffs.join(",")
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].join("&")
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).appendTo(this._histogramDiv);
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}
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this._setRangeIndicators();
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this._renderOtherChoices();
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};
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RangeFacet.prototype._reset = function() {
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this._setDefaults();
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this._updateRest();
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};
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RangeFacet.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._data = null;
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};
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RangeFacet.prototype._updateRest = function() {
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Gridworks.update({ engineChanged: true });
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};
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