@progress/kendo-ui
Version:
This package is part of the [Kendo UI for jQuery](http://www.telerik.com/kendo-ui) suite.
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JavaScript
//#region ../src/kendo.slider.js
const __meta__ = {
id: "slider",
name: "Slider",
category: "web",
description: "The Slider widget provides a rich input for selecting values or ranges of values.",
depends: ["draganddrop", "icons"]
};
(function($, undefined) {
var kendo = window.kendo, Widget = kendo.ui.Widget, Draggable = kendo.ui.Draggable, outerWidth = kendo._outerWidth, outerHeight = kendo._outerHeight, extend = $.extend, format = kendo.format, parse = kendo.parseFloat, isArray = Array.isArray, math = Math, support = kendo.support, pointers = support.pointers, msPointers = support.msPointers, CHANGE = "change", SLIDE = "slide", NS = ".slider", MOUSE_DOWN = "touchstart" + NS + " mousedown" + NS, TRACK_MOUSE_DOWN = pointers ? "pointerdown" + NS : msPointers ? "MSPointerDown" + NS : MOUSE_DOWN, MOUSE_UP = "touchend" + NS + " mouseup" + NS, TRACK_MOUSE_UP = pointers ? "pointerup" : msPointers ? "MSPointerUp" + NS : MOUSE_UP, MOVE_SELECTION = "moveSelection", KEY_DOWN = "keydown" + NS, CLICK = "click" + NS, MOUSE_OVER = "mouseover" + NS, FOCUS = "focus" + NS, BLUR = "blur" + NS, DRAG_HANDLE = ".k-draghandle", TRACK_SELECTOR = ".k-slider-track", TICK_SELECTOR = ".k-tick", STATE_SELECTED = "k-selected", STATE_FOCUSED = "k-focus", STATE_DISABLED = "k-disabled", DISABLED = "disabled", UNDEFINED = "undefined", TABINDEX = "tabindex", getTouches = kendo.getTouches, ARIA_VALUETEXT = "aria-valuetext", ARIA_VALUENOW = "aria-valuenow";
var SliderBase = Widget.extend({
init: function(element, options) {
var that = this;
Widget.fn.init.call(that, element, options);
options = that.options;
that._isHorizontal = options.orientation == "horizontal";
that._isRtl = that._isHorizontal && kendo.support.isRtl(element);
that._position = that._isRtl ? "right" : that._isHorizontal ? "left" : "bottom";
that._sizeFn = that._isHorizontal ? "width" : "height";
that._outerSize = that._isHorizontal ? outerWidth : outerHeight;
options.tooltip.format = options.tooltip.enabled ? options.tooltip.format || "{0}" : "{0}";
if (options.smallStep <= 0) {
throw new Error("Kendo UI Slider smallStep must be a positive number.");
}
that._createHtml();
that._trackDiv = that.wrapper.find(TRACK_SELECTOR);
that._maxSelection = that._trackDiv[that._sizeFn]();
that._sliderItemsInit();
that._reset();
that._tabindex(that.wrapper.find(DRAG_HANDLE));
that[options.enabled ? "enable" : "disable"]();
var rtlDirectionSign = kendo.support.isRtl(that.wrapper) ? -1 : 1;
that._keyMap = {
37: step(-1 * rtlDirectionSign * options.smallStep),
40: step(-options.smallStep),
39: step(+1 * rtlDirectionSign * options.smallStep),
38: step(+options.smallStep),
35: setValue(options.max),
36: setValue(options.min),
33: step(+options.largeStep),
34: step(-options.largeStep)
};
that._ariaLabel(that.wrapper.find(DRAG_HANDLE));
kendo.notify(that);
},
events: [CHANGE, SLIDE],
options: {
enabled: true,
min: 0,
max: 10,
smallStep: 1,
largeStep: 5,
orientation: "horizontal",
tickPlacement: "both",
tooltip: {
enabled: true,
format: "{0}"
}
},
_distance: function() {
return round(this.options.max - this.options.min);
},
_resize: function() {
this.wrapper.find(".k-slider-items").remove();
this._maxSelection = this._trackDiv[this._sizeFn]();
this._sliderItemsInit();
this._refresh();
if (this.options.enabled) {
this.enable(true);
}
},
_sliderItemsInit: function() {
var that = this, options = that.options;
var sizeBetweenTicks = (that._maxSelection - 2) / ((options.max - options.min) / options.smallStep);
var pixelWidths = that._calculateItemsWidth(math.floor(removeFraction(that._distance()) / removeFraction(options.smallStep)));
if (options.tickPlacement != "none" && sizeBetweenTicks >= 2) {
$(this.element).parent().find(".k-slider-items").remove();
that._trackDiv.before(createSliderItems(options, that._distance()));
that._setItemsTitle();
}
that._calculateSteps(pixelWidths);
if (options.tickPlacement != "none" && sizeBetweenTicks >= 2 && options.largeStep >= options.smallStep) {
that._setItemsLargeTick();
that.wrapper.find(TICK_SELECTOR).first().addClass("k-first");
that.wrapper.find(TICK_SELECTOR).last().addClass("k-last");
}
},
getSize: function() {
return kendo.dimensions(this.wrapper);
},
_setItemsTitle: function() {
var that = this, options = that.options, items = that.wrapper.find(TICK_SELECTOR), titleNumber = options.min, count = items.length;
for (var i = 0; i <= count; i += 1) {
$(items[i]).attr("title", format(options.tooltip.format, round(titleNumber)));
titleNumber += options.smallStep;
}
},
_setItemsLargeTick: function() {
var that = this, options = that.options, items = that.wrapper.find(TICK_SELECTOR), i = 0, item, value;
if (removeFraction(options.largeStep) % removeFraction(options.smallStep) === 0 || that._distance() / options.largeStep >= 3) {
if (!that._isHorizontal && !that._isRtl) {
items = $.makeArray(items).reverse();
}
for (i = 0; i < items.length; i++) {
item = $(items[i]);
value = that._values[i];
var valueWithoutFraction = round(removeFraction(value - this.options.min));
if (valueWithoutFraction % removeFraction(options.smallStep) === 0 && valueWithoutFraction % removeFraction(options.largeStep) === 0) {
item.addClass("k-tick-large").html("<span class='k-label'>" + item.attr("title") + "</span>");
if (i !== 0 && i !== items.length - 1) {
item.css("line-height", item[that._sizeFn]() + "px");
}
}
}
}
},
_calculateItemsWidth: function(itemsCount) {
var that = this, options = that.options, trackDivSize = parseFloat(that._trackDiv.css(that._sizeFn)) + 1, distance = that._distance(), preciseItemsCount = removeFraction(distance) / removeFraction(options.smallStep), pixelStep = trackDivSize / removeFraction(distance), itemWidth, pixelWidths, i;
if (preciseItemsCount - itemsCount > 0) {
trackDivSize -= removeFraction(distance) % removeFraction(options.smallStep) * pixelStep;
}
itemWidth = trackDivSize / itemsCount;
pixelWidths = [];
for (i = 0; i < itemsCount - 1; i++) {
pixelWidths[i] = itemWidth;
}
pixelWidths[itemsCount - 1] = pixelWidths[itemsCount] = itemWidth / 2;
return that._roundWidths(pixelWidths);
},
_roundWidths: function(pixelWidthsArray) {
var balance = 0, count = pixelWidthsArray.length, i;
for (i = 0; i < count; i++) {
balance += pixelWidthsArray[i] - math.floor(pixelWidthsArray[i]);
pixelWidthsArray[i] = math.floor(pixelWidthsArray[i]);
}
balance = math.round(balance);
return this._addAdditionalSize(balance, pixelWidthsArray);
},
_addAdditionalSize: function(additionalSize, pixelWidthsArray) {
if (additionalSize === 0) {
return pixelWidthsArray;
}
var step = parseFloat(pixelWidthsArray.length - 1) / parseFloat(additionalSize == 1 ? additionalSize : additionalSize - 1), i;
for (i = 0; i < additionalSize; i++) {
pixelWidthsArray[parseInt(math.round(step * i), 10)] += 1;
}
return pixelWidthsArray;
},
_calculateSteps: function(pixelWidths) {
var that = this, options = that.options, val = options.min, selection = 0, distance = that._distance(), itemsCount = math.ceil(removeFraction(distance) / removeFraction(options.smallStep)), i = 1, lastItem;
itemsCount += removeFraction(distance) / removeFraction(options.smallStep) % 1 === 0 ? 1 : 0;
pixelWidths.splice(0, 0, pixelWidths[itemsCount - 2] * 2);
pixelWidths.splice(itemsCount - 1, 1, pixelWidths.pop() * 2);
that._pixelSteps = [selection];
that._values = [val];
if (itemsCount === 0) {
return;
}
while (i < itemsCount) {
selection += (pixelWidths[i - 1] + pixelWidths[i]) / 2;
that._pixelSteps[i] = selection;
val += options.smallStep;
that._values[i] = round(val);
i++;
}
lastItem = removeFraction(distance) % removeFraction(options.smallStep) === 0 ? itemsCount - 1 : itemsCount;
that._pixelSteps[lastItem] = that._maxSelection;
that._values[lastItem] = options.max;
},
_getValueFromPosition: function(mousePosition, draggableArea) {
var that = this, options = that.options, step = math.max(options.smallStep * (that._maxSelection / that._distance()), 0), position = 0, halfStep = step / 2, i;
if (that._isHorizontal) {
position = mousePosition - draggableArea.startPoint;
if (that._isRtl) {
position = that._maxSelection - position;
}
} else {
position = draggableArea.startPoint - mousePosition;
}
if (that._maxSelection - (parseInt(that._maxSelection % step, 10) - 3) / 2 < position) {
return options.max;
}
for (i = 0; i < that._pixelSteps.length; i++) {
if (math.abs(that._pixelSteps[i] - position) - 1 <= halfStep) {
return round(that._values[i]);
}
}
},
_getFormattedValue: function(val, drag) {
var that = this, html = "", tooltip = that.options.tooltip, tooltipTemplate, selectionStart, selectionEnd;
if (isArray(val)) {
selectionStart = val[0];
selectionEnd = val[1];
} else if (drag && drag.type) {
selectionStart = drag.selectionStart;
selectionEnd = drag.selectionEnd;
}
if (drag) {
tooltipTemplate = drag.tooltipTemplate;
}
if (!tooltipTemplate && tooltip.template) {
tooltipTemplate = kendo.template(tooltip.template);
}
if (isArray(val) || drag && drag.type) {
if (tooltipTemplate) {
html = tooltipTemplate({
selectionStart,
selectionEnd
});
} else {
selectionStart = format(tooltip.format, selectionStart);
selectionEnd = format(tooltip.format, selectionEnd);
html = selectionStart + " - " + selectionEnd;
}
} else {
if (drag) {
drag.val = val;
}
if (tooltipTemplate) {
html = tooltipTemplate({ value: val });
} else {
html = format(tooltip.format, val);
}
}
return html;
},
_getDraggableArea: function() {
var that = this, offset = kendo.getOffset(that._trackDiv);
return {
startPoint: that._isHorizontal ? offset.left : offset.top + that._maxSelection,
endPoint: that._isHorizontal ? offset.left + that._maxSelection : offset.top
};
},
_createHtml: function() {
var that = this, element = that.element, options = that.options, inputs = element.find("input");
if (inputs.length == 2) {
inputs.eq(0).prop("value", formatValue(options.selectionStart));
inputs.eq(1).prop("value", formatValue(options.selectionEnd));
} else {
element.prop("value", formatValue(options.value));
}
that.wrapper = element.wrap(createWrapper(options, element, that._isHorizontal)).hide().parents(".k-slider");
if (options.showButtons) {
that.wrapper.find(".k-slider-track-wrap").after(createButton(options, "increase", that._isHorizontal, that._isRtl)).before(createButton(options, "decrease", that._isHorizontal, that._isRtl));
}
element.before(createTrack(options, element, that._isHorizontal));
},
_focus: function(e) {
var that = this, target = e.target, val = that.value(), drag = that._drag;
if (!drag) {
if (target == that.wrapper.find(DRAG_HANDLE).eq(0)[0]) {
drag = that._firstHandleDrag;
that._activeHandle = 0;
} else {
drag = that._lastHandleDrag;
that._activeHandle = 1;
}
val = val[that._activeHandle];
}
$(target).addClass(STATE_FOCUSED + " " + STATE_SELECTED);
if (drag) {
that._activeHandleDrag = drag;
drag.selectionStart = that.options.selectionStart;
drag.selectionEnd = that.options.selectionEnd;
drag._updateTooltip(val);
}
},
_focusWithMouse: function(target) {
target = $(target);
var that = this, idx = target.is(DRAG_HANDLE) ? target.index() : 0;
window.setTimeout(function() {
that.wrapper.find(DRAG_HANDLE)[idx == 2 ? 1 : 0].focus();
}, 1);
that._setTooltipTimeout();
},
_blur: function(e) {
var that = this, drag = that._activeHandleDrag;
$(e.target).removeClass(STATE_FOCUSED + " " + STATE_SELECTED);
if (drag) {
drag._removeTooltip();
delete that._activeHandleDrag;
delete that._activeHandle;
}
},
_setTooltipTimeout: function() {
var that = this;
that._tooltipTimeout = window.setTimeout(function() {
var drag = that._drag || that._activeHandleDrag;
if (drag) {
drag._removeTooltip();
}
}, 300);
},
_clearTooltipTimeout: function() {
var that = this;
window.clearTimeout(this._tooltipTimeout);
var drag = that._drag || that._activeHandleDrag;
if (drag && drag.tooltipDiv) {
drag.tooltipDiv.stop(true, false).css("opacity", 1);
}
},
_reset: function() {
var that = this, element = that.element, formId = element.attr("form"), form = formId ? $("#" + formId) : element.closest("form");
if (form[0]) {
that._form = form.on("reset", that._formResetHandler.bind(that));
}
},
min: function(value) {
if (!value) {
return this.options.min;
}
this.setOptions({ "min": value });
},
max: function(value) {
if (!value) {
return this.options.max;
}
this.setOptions({ "max": value });
},
setOptions: function(options) {
Widget.fn.setOptions.call(this, options);
this._sliderItemsInit();
this._refresh();
},
destroy: function() {
if (this._form) {
this._form.off("reset", this._formResetHandler);
}
Widget.fn.destroy.call(this);
}
});
function createWrapper(options, element, isHorizontal) {
var orientationCssClass = isHorizontal ? " k-slider-horizontal" : " k-slider-vertical", style = options.style ? options.style : element.attr("style"), cssClasses = element.attr("class") ? " " + element.attr("class") : "", tickPlacementCssClass = "";
if (options.tickPlacement == "bottomRight") {
tickPlacementCssClass = " k-slider-bottomright";
} else if (options.tickPlacement == "topLeft") {
tickPlacementCssClass = " k-slider-topleft";
}
style = style ? " style='" + style + "'" : "";
return "<div class='k-slider" + orientationCssClass + cssClasses + "'" + style + ">" + "<div class='k-slider-track-wrap" + tickPlacementCssClass + "'></div></div>";
}
function createButton(options, type, isHorizontal, isRtl) {
var buttonIconName = "";
if (isHorizontal) {
if (type === "increase") {
buttonIconName = isRtl ? "caret-alt-left" : "caret-alt-right";
} else {
buttonIconName = isRtl ? "caret-alt-right" : "caret-alt-left";
}
} else {
if (type == "increase") {
buttonIconName = "caret-alt-up";
} else {
buttonIconName = "caret-alt-down";
}
}
return "<button class='k-button k-icon-button k-rounded-full k-button-" + type + "' " + "title='" + options[type + "ButtonTitle"] + "' " + `aria-hidden="true" tabindex="-1">` + kendo.ui.icon({
icon: buttonIconName,
iconClass: "k-button-icon"
}) + "</button>";
}
function createSliderItems(options, distance) {
var result = "<ul class='k-reset k-slider-items' role='presentation'>", count = math.floor(round(distance / options.smallStep)) + 1, i;
for (i = 0; i < count; i++) {
result += "<li class='k-tick'></li>";
}
result += "</ul>";
return result;
}
function createTrack(options, element, isHorizontal) {
var dragHandleCount = element.is("input") ? 1 : 2, firstDragHandleTitle = dragHandleCount == 2 ? options.leftDragHandleTitle : options.dragHandleTitle, value = options.value, min = options.selectionStart, max = options.selectionEnd, elementValue, minElementValue, maxElementValue;
if (dragHandleCount === 1) {
elementValue = element.val();
if (elementValue !== null && elementValue !== undefined && elementValue !== "null") {
if (value === null || value === undefined) {
value = elementValue;
}
}
} else {
minElementValue = element.find("input").eq(0).val();
maxElementValue = element.find("input").eq(1).val();
if (minElementValue !== null && minElementValue !== undefined && minElementValue !== "null") {
if (min === null || min === undefined) {
min = minElementValue;
}
}
if (maxElementValue !== null && maxElementValue !== undefined && maxElementValue !== "null") {
if (max === null || max === undefined) {
max = maxElementValue;
}
}
}
var result = "<div class='k-slider-track'><div class='k-slider-selection'><!-- --></div>" + "<span tabindex='0' class='k-draghandle' title='" + firstDragHandleTitle + "' role='slider' " + (isHorizontal === false ? "aria-orientation='vertical' " : "") + "aria-valuemin='" + options.min + "' aria-valuemax='" + options.max + "' aria-valuenow='" + (dragHandleCount > 1 ? min || options.min : value || options.min) + "'></span>" + (dragHandleCount > 1 ? "<span tabindex='0' class='k-draghandle' title='" + options.rightDragHandleTitle + "'role='slider' " + (isHorizontal === false ? "aria-orientation='vertical' " : "") + "aria-valuemin='" + options.min + "' aria-valuemax='" + options.max + "' aria-valuenow='" + (max || options.max) + "'></span>" : "") + "</div>";
return result;
}
function step(stepValue) {
return function(value) {
return value + stepValue;
};
}
function setValue(value) {
return function() {
return value;
};
}
function formatValue(value) {
return (value + "").replace(".", kendo.cultures.current.numberFormat["."]);
}
function calculatePrecision(value) {
var number = value.toString();
var precision = 0;
number = number.split(".");
if (number[1]) {
precision = number[1].length;
}
precision = precision > 10 ? 10 : precision;
return precision;
}
function round(value) {
var precision, power;
value = parseFloat(value, 10);
precision = calculatePrecision(value);
power = math.pow(10, precision || 0);
return math.round(value * power) / power;
}
function parseAttr(element, name) {
var value = parse(element.getAttribute(name));
if (value === null) {
value = undefined;
}
return value;
}
function defined(value) {
return typeof value !== UNDEFINED;
}
function removeFraction(value) {
return value * 1e4;
}
var Slider = SliderBase.extend({
init: function(element, options) {
var that = this, dragHandle;
element.type = "text";
options = extend({}, {
value: parseAttr(element, "value"),
min: parseAttr(element, "min"),
max: parseAttr(element, "max"),
smallStep: parseAttr(element, "step")
}, options);
element = $(element);
if (options && options.enabled === undefined) {
options.enabled = !element.is("[disabled]");
}
SliderBase.fn.init.call(that, element, options);
options = that.options;
if (!defined(options.value) || options.value === null) {
options.value = options.min;
element.prop("value", formatValue(options.min));
}
options.value = math.max(math.min(options.value, options.max), options.min);
dragHandle = that.wrapper.find(DRAG_HANDLE);
that._selection = new Slider.Selection(dragHandle, that, options);
that._drag = new Slider.Drag(dragHandle, "", that, options);
that._refreshAriaAttr(options.value);
},
options: {
name: "Slider",
showButtons: true,
increaseButtonTitle: "Increase",
decreaseButtonTitle: "Decrease",
dragHandleTitle: "drag",
tooltip: { format: "{0:#,#.##}" },
value: null
},
enable: function(enable) {
var that = this, options = that.options, clickHandler, move;
that.disable();
if (enable === false) {
return;
}
that.wrapper.removeClass(STATE_DISABLED);
that.wrapper.find("input").prop(DISABLED, false);
clickHandler = function(e) {
var touch = getTouches(e)[0];
if (!touch) {
return;
}
var mousePosition = that._isHorizontal ? touch.location.pageX : touch.location.pageY, draggableArea = that._getDraggableArea(), target = $(e.target);
if (target.hasClass("k-draghandle")) {
target.addClass(STATE_FOCUSED + " " + STATE_SELECTED);
return;
}
that._update(that._getValueFromPosition(mousePosition, draggableArea));
that._focusWithMouse(e.target);
that._drag.dragstart(e);
e.preventDefault();
};
that.wrapper.find(TICK_SELECTOR + ", " + TRACK_SELECTOR).on(TRACK_MOUSE_DOWN, clickHandler).end().on(TRACK_MOUSE_UP, function() {
that._drag._end();
});
that.wrapper.find(DRAG_HANDLE).attr(TABINDEX, 0).on(MOUSE_UP, function() {
that._setTooltipTimeout();
}).on(CLICK, function(e) {
that._focusWithMouse(e.target);
e.preventDefault();
}).on(FOCUS, that._focus.bind(that)).on(BLUR, that._blur.bind(that));
move = (function(sign) {
var newVal = that._nextValueByIndex(that._valueIndex + sign * 1);
that._setValueInRange(newVal);
that._drag._updateTooltip(newVal);
});
if (options.showButtons) {
that.wrapper.find(".k-button").on(MOUSE_UP, (function(e) {
this._clearTimer();
that._focusWithMouse(e.target);
}).bind(that)).on(MOUSE_OVER, function(e) {
$(e.currentTarget).addClass("k-hover");
}).on("mouseout" + NS, (function(e) {
$(e.currentTarget).removeClass("k-hover");
this._clearTimer();
}).bind(that)).on(MOUSE_DOWN, (function(e) {
var sign = $(e.target).closest(".k-button").is(".k-button-increase") ? 1 : -1;
that._mouseDownHandler(e, sign, move);
})).on("click", kendo.preventDefault);
}
that.wrapper.find(DRAG_HANDLE).off(KEY_DOWN, false).on(KEY_DOWN, this._keydown.bind(that));
options.enabled = true;
},
disable: function() {
var that = this;
that.wrapper.addClass(STATE_DISABLED);
$(that.element).prop(DISABLED, DISABLED);
that.wrapper.find(".k-button").off(MOUSE_DOWN).on(MOUSE_DOWN, function(e) {
e.preventDefault();
$(this).addClass("k-active");
}).off(MOUSE_UP).on(MOUSE_UP, function(e) {
e.preventDefault();
$(this).removeClass("k-active");
}).off("mouseleave" + NS).on("mouseleave" + NS, kendo.preventDefault).off(MOUSE_OVER).on(MOUSE_OVER, kendo.preventDefault);
that.wrapper.find(TICK_SELECTOR + ", " + TRACK_SELECTOR).off(TRACK_MOUSE_DOWN).off(TRACK_MOUSE_UP);
that.wrapper.find(DRAG_HANDLE).attr(TABINDEX, -1).off(MOUSE_UP).off(KEY_DOWN).off(CLICK).off(FOCUS).off(BLUR);
that.options.enabled = false;
},
_mouseDownHandler: function(e, sign, move) {
let that = this;
that._clearTooltipTimeout();
if (e.which === 1 || support.touch && e.which === 0) {
move(sign);
that.timeout = setTimeout(function() {
that.timer = setInterval(function() {
move(sign);
}, 60);
}, 200);
}
},
_update: function(val) {
var that = this, change = that.value() != val;
that.value(val);
if (change) {
that.trigger(CHANGE, { value: that.options.value });
}
},
value: function(value) {
var that = this, options = that.options;
value = round(value);
if (isNaN(value)) {
return options.value;
}
if (value >= options.min && value <= options.max) {
if (options.value != value) {
that.element.prop("value", formatValue(value));
options.value = value;
that._refreshAriaAttr(value);
that._refresh();
}
}
},
_refresh: function() {
this.trigger(MOVE_SELECTION, { value: this.options.value });
},
_refreshAriaAttr: function(value) {
var that = this, drag = that._drag, formattedValue;
if (drag && drag._tooltipDiv) {
formattedValue = drag._tooltipDiv.text();
} else {
formattedValue = that._getFormattedValue(value, null);
}
this.wrapper.find(DRAG_HANDLE).attr(ARIA_VALUENOW, value).attr(ARIA_VALUETEXT, formattedValue);
},
_clearTimer: function() {
clearTimeout(this.timeout);
clearInterval(this.timer);
},
_keydown: function(e) {
var that = this;
if (e.keyCode in that._keyMap) {
that._clearTooltipTimeout();
that._setValueInRange(that._keyMap[e.keyCode](that.options.value));
that._drag._updateTooltip(that.value());
e.preventDefault();
}
},
_setValueInRange: function(val) {
var that = this, options = that.options;
val = round(val);
if (isNaN(val)) {
that._update(options.min);
return;
}
val = math.max(math.min(val, options.max), options.min);
that._update(val);
},
_nextValueByIndex: function(index) {
var count = this._values.length;
return this._values[math.max(0, math.min(index, count - 1))];
},
_formResetHandler: function() {
var that = this, min = that.options.min;
setTimeout(function() {
var value = that.element[0].value;
that.value(value === "" || isNaN(value) ? min : value);
});
},
destroy: function() {
var that = this;
SliderBase.fn.destroy.call(that);
that.wrapper.off(NS).find(".k-button").off(NS).end().find(DRAG_HANDLE).off(NS).end().find(TICK_SELECTOR + ", " + TRACK_SELECTOR).off(NS).end();
that._drag.draggable.destroy();
that._drag._removeTooltip(true);
}
});
Slider.Selection = function(dragHandle, that, options) {
function moveSelection(val) {
var selectionValue = val - options.min, index = that._valueIndex = math.ceil(round(selectionValue / options.smallStep)), selection = parseInt(that._pixelSteps[index], 10), selectionDiv = that._trackDiv.find(".k-slider-selection");
selectionDiv[that._sizeFn](selection);
dragHandle.css(that._position, selection);
}
moveSelection(options.value);
that.bind([SLIDE, MOVE_SELECTION], function(e) {
moveSelection(parseFloat(e.value, 10));
});
that.bind(CHANGE, function(e) {
moveSelection(parseFloat(e.sender.value(), 10));
});
};
Slider.Drag = function(element, type, owner, options) {
var that = this;
that.owner = owner;
that.options = options;
that.element = element;
that.type = type;
that.draggable = new Draggable(element, {
distance: 0,
dragstart: that._dragstart.bind(that),
drag: that.drag.bind(that),
dragend: that.dragend.bind(that),
dragcancel: that.dragcancel.bind(that)
});
element.click(false);
element.on("dragstart", function(e) {
e.preventDefault();
});
};
Slider.Drag.prototype = {
dragstart: function(e) {
this.owner._activeDragHandle = this;
this.draggable.userEvents.cancel();
this._dragstart(e);
this.dragend();
},
_dragstart: function(e) {
var that = this, owner = that.owner, options = that.options;
if (!options.enabled) {
e.preventDefault();
return;
}
this.owner._activeDragHandle = this;
owner.element.off(MOUSE_OVER);
owner.wrapper.find("." + STATE_FOCUSED).removeClass(STATE_FOCUSED + " " + STATE_SELECTED);
that.element.addClass(STATE_FOCUSED + " " + STATE_SELECTED);
$(document.documentElement).css("cursor", "pointer");
that.draggableArea = owner._getDraggableArea();
that.step = math.max(options.smallStep * (owner._maxSelection / owner._distance()), 0);
if (that.type) {
that.selectionStart = options.selectionStart;
that.selectionEnd = options.selectionEnd;
owner._setZIndex(that.type);
} else {
that.oldVal = that.val = options.value;
}
that._removeTooltip(true);
that._createTooltip();
},
_createTooltip: function() {
var that = this, owner = that.owner, tooltip = that.options.tooltip, html = "", wnd = $(window), tooltipTemplate, calloutCssClass;
if (!tooltip.enabled) {
return;
}
if (tooltip.template) {
tooltipTemplate = that.tooltipTemplate = kendo.template(tooltip.template);
}
$(".k-slider-tooltip").remove();
that.tooltipDiv = $("<div role='tooltip' class='k-tooltip k-slider-tooltip'><!-- --></div>").appendTo(document.body);
html = owner._getFormattedValue(that.val || owner.value(), that);
if (!that.type) {
calloutCssClass = "k-callout-" + (owner._isHorizontal ? "s" : "e");
that.tooltipInnerDiv = "<div class='k-callout " + calloutCssClass + "'><!-- --></div>";
html += that.tooltipInnerDiv;
}
that.tooltipDiv.html(html);
that._scrollOffset = {
top: wnd.scrollTop(),
left: kendo.scrollLeft(wnd)
};
that.moveTooltip();
},
drag: function(e) {
var that = this, owner = that.owner, x = e.x.location, y = e.y.location, startPoint = that.draggableArea.startPoint, endPoint = that.draggableArea.endPoint, slideParams;
e.preventDefault();
if (owner._isHorizontal) {
if (owner._isRtl) {
that.val = that.constrainValue(x, startPoint, endPoint, x < endPoint);
} else {
that.val = that.constrainValue(x, startPoint, endPoint, x >= endPoint);
}
} else {
that.val = that.constrainValue(y, endPoint, startPoint, y <= endPoint);
}
if (that.oldVal != that.val) {
that.oldVal = that.val;
if (that.type) {
if (that.type == "firstHandle") {
if (that.val < that.selectionEnd) {
that.selectionStart = that.val;
} else {
that.selectionStart = that.selectionEnd = that.val;
}
} else {
if (that.val > that.selectionStart) {
that.selectionEnd = that.val;
} else {
that.selectionStart = that.selectionEnd = that.val;
}
}
slideParams = {
values: [that.selectionStart, that.selectionEnd],
value: [that.selectionStart, that.selectionEnd]
};
} else {
slideParams = { value: that.val };
}
owner.trigger(SLIDE, slideParams);
}
that._updateTooltip(that.val);
},
_updateTooltip: function(val) {
var that = this, options = that.options, tooltip = options.tooltip, html = "";
if (!tooltip.enabled) {
return;
}
if (!that.tooltipDiv) {
that._createTooltip();
}
html = that.owner._getFormattedValue(round(val), that);
if (!that.type) {
html += that.tooltipInnerDiv;
}
that.tooltipDiv.html(html);
that.moveTooltip();
},
dragcancel: function() {
this.owner._refresh();
$(document.documentElement).css("cursor", "");
return this._end();
},
dragend: function() {
var that = this, owner = that.owner;
$(document.documentElement).css("cursor", "");
if (that.type) {
owner._update(that.selectionStart, that.selectionEnd);
} else {
owner._update(that.val);
that.draggable.userEvents._disposeAll();
}
that.draggable.userEvents.cancel();
return that._end();
},
_end: function() {
var that = this, owner = that.owner;
owner._focusWithMouse(that.element);
owner.element.on(MOUSE_OVER);
return false;
},
_removeTooltip: function(noAnimation) {
var that = this, owner = that.owner;
if (that.tooltipDiv && owner.options.tooltip.enabled && owner.options.enabled) {
if (noAnimation) {
that.tooltipDiv.remove();
that.tooltipDiv = null;
} else {
that.tooltipDiv.fadeOut("slow", function() {
$(this).remove();
that.tooltipDiv = null;
});
}
}
},
moveTooltip: function() {
var that = this, owner = that.owner, top = 0, left = 0, element = that.element, offset = kendo.getOffset(element), margin = 8, viewport = $(window), callout = that.tooltipDiv.find(".k-callout"), width = outerWidth(that.tooltipDiv), height = outerHeight(that.tooltipDiv), dragHandles, sdhOffset, diff, anchorSize;
if (that.type) {
dragHandles = owner.wrapper.find(DRAG_HANDLE);
offset = kendo.getOffset(dragHandles.eq(0));
sdhOffset = kendo.getOffset(dragHandles.eq(1));
if (owner._isHorizontal) {
top = sdhOffset.top;
left = offset.left + (sdhOffset.left - offset.left) / 2;
} else {
top = offset.top + (sdhOffset.top - offset.top) / 2;
left = sdhOffset.left;
}
anchorSize = outerWidth(dragHandles.eq(0)) + 2 * margin;
} else {
top = offset.top;
left = offset.left;
anchorSize = outerWidth(element) + 2 * margin;
}
if (owner._isHorizontal) {
left -= parseInt((width - owner._outerSize(element)) / 2, 10);
top -= height + margin + (callout.length ? callout.height() : 0);
} else {
top -= parseInt((height - owner._outerSize(element)) / 2, 10);
left -= width + margin + (callout.length ? callout.width() : 0);
}
if (owner._isHorizontal) {
diff = that._flip(top, height, anchorSize, outerHeight(viewport) + that._scrollOffset.top);
top += diff;
left += that._fit(left, width, outerWidth(viewport) + that._scrollOffset.left);
} else {
diff = that._flip(left, width, anchorSize, outerWidth(viewport) + that._scrollOffset.left);
top += that._fit(top, height, outerHeight(viewport) + that._scrollOffset.top);
left += diff;
}
if (diff > 0 && callout) {
callout.removeClass();
callout.addClass("k-callout k-callout-" + (owner._isHorizontal ? "n" : "w"));
}
that.tooltipDiv.css({
top,
left
});
},
_fit: function(position, size, viewPortEnd) {
var output = 0;
if (position + size > viewPortEnd) {
output = viewPortEnd - (position + size);
}
if (position < 0) {
output = -position;
}
return output;
},
_flip: function(offset, size, anchorSize, viewPortEnd) {
var output = 0;
if (offset + size > viewPortEnd) {
output += -(anchorSize + size);
}
if (offset + output < 0) {
output += anchorSize + size;
}
return output;
},
constrainValue: function(position, min, max, maxOverflow) {
var that = this, val = 0;
if (min < position && position < max) {
val = that.owner._getValueFromPosition(position, that.draggableArea);
} else {
if (maxOverflow) {
val = that.options.max;
} else {
val = that.options.min;
}
}
return val;
}
};
kendo.ui.plugin(Slider);
var RangeSlider = SliderBase.extend({
init: function(element, options) {
var that = this, inputs = $(element).find("input"), firstInput = inputs.eq(0)[0], secondInput = inputs.eq(1)[0];
firstInput.type = "text";
secondInput.type = "text";
if (options && options.showButtons) {
if (window.console) {
window.console.warn("showbuttons option is not supported for the range slider, ignoring");
}
options.showButtons = false;
}
options = extend({}, {
selectionStart: parseAttr(firstInput, "value"),
min: parseAttr(firstInput, "min"),
max: parseAttr(firstInput, "max"),
smallStep: parseAttr(firstInput, "step")
}, {
selectionEnd: parseAttr(secondInput, "value"),
min: parseAttr(secondInput, "min"),
max: parseAttr(secondInput, "max"),
smallStep: parseAttr(secondInput, "step")
}, options);
if (options && options.enabled === undefined) {
options.enabled = !inputs.is("[disabled]");
}
SliderBase.fn.init.call(that, element, options);
options = that.options;
if (!defined(options.selectionStart) || options.selectionStart === null) {
options.selectionStart = options.min;
inputs.eq(0).prop("value", formatValue(options.min));
}
if (!defined(options.selectionEnd) || options.selectionEnd === null) {
options.selectionEnd = options.max;
inputs.eq(1).prop("value", formatValue(options.max));
}
var dragHandles = that.wrapper.find(DRAG_HANDLE);
this._selection = new RangeSlider.Selection(dragHandles, that, options);
that._firstHandleDrag = new Slider.Drag(dragHandles.eq(0), "firstHandle", that, options);
that._lastHandleDrag = new Slider.Drag(dragHandles.eq(1), "lastHandle", that, options);
that._refreshAriaAttr(options.selectionStart, options.selectionEnd);
},
options: {
name: "RangeSlider",
leftDragHandleTitle: "drag",
rightDragHandleTitle: "drag",
tooltip: { format: "{0:#,#.##}" },
selectionStart: null,
selectionEnd: null
},
enable: function(enable) {
var that = this, options = that.options, clickHandler;
that.disable();
if (enable === false) {
return;
}
that.wrapper.removeClass(STATE_DISABLED);
that.wrapper.find("input").prop(DISABLED, false);
clickHandler = function(e) {
var touch = getTouches(e)[0];
if (!touch) {
return;
}
var mousePosition = that._isHorizontal ? touch.location.pageX : touch.location.pageY, draggableArea = that._getDraggableArea(), val = that._getValueFromPosition(mousePosition, draggableArea), target = $(e.target), from, to, drag;
if (target.hasClass("k-draghandle")) {
that.wrapper.find("." + STATE_FOCUSED).removeClass(STATE_FOCUSED + " " + STATE_SELECTED);
target.addClass(STATE_FOCUSED + " " + STATE_SELECTED);
return;
}
if (val < options.selectionStart) {
from = val;
to = options.selectionEnd;
drag = that._firstHandleDrag;
} else if (val > that.selectionEnd) {
from = options.selectionStart;
to = val;
drag = that._lastHandleDrag;
} else {
if (val - options.selectionStart <= options.selectionEnd - val) {
from = val;
to = options.selectionEnd;
drag = that._firstHandleDrag;
} else {
from = options.selectionStart;
to = val;
drag = that._lastHandleDrag;
}
}
drag.dragstart(e);
that._setValueInRange(from, to);
that._focusWithMouse(drag.element);
};
that.wrapper.find(TICK_SELECTOR + ", " + TRACK_SELECTOR).on(TRACK_MOUSE_DOWN, clickHandler).end().on(TRACK_MOUSE_UP, function() {
if (that._activeDragHandle) {
that._activeDragHandle._end();
}
});
that.wrapper.find(DRAG_HANDLE).attr(TABINDEX, 0).on(MOUSE_UP, function() {
that._setTooltipTimeout();
}).on(CLICK, function(e) {
that._focusWithMouse(e.target);
e.preventDefault();
}).on(FOCUS, that._focus.bind(that)).on(BLUR, that._blur.bind(that));
that.wrapper.find(DRAG_HANDLE).off(KEY_DOWN, kendo.preventDefault).eq(0).on(KEY_DOWN, (function(e) {
this._keydown(e, "firstHandle");
}).bind(that)).end().eq(1).on(KEY_DOWN, (function(e) {
this._keydown(e, "lastHandle");
}).bind(that));
that.options.enabled = true;
},
disable: function() {
var that = this;
that.wrapper.addClass(STATE_DISABLED);
that.wrapper.find("input").prop(DISABLED, DISABLED);
that.wrapper.find(TICK_SELECTOR + ", " + TRACK_SELECTOR).off(TRACK_MOUSE_DOWN).off(TRACK_MOUSE_UP);
that.wrapper.find(DRAG_HANDLE).attr(TABINDEX, -1).off(MOUSE_UP).off(KEY_DOWN).off(CLICK).off(FOCUS).off(BLUR);
that.options.enabled = false;
},
_keydown: function(e, handle) {
var that = this, selectionStartValue = that.options.selectionStart, selectionEndValue = that.options.selectionEnd, dragSelectionStart, dragSelectionEnd, activeHandleDrag;
if (e.keyCode in that._keyMap) {
that._clearTooltipTimeout();
if (handle == "firstHandle") {
activeHandleDrag = that._activeHandleDrag = that._firstHandleDrag;
selectionStartValue = that._keyMap[e.keyCode](selectionStartValue);
if (selectionStartValue > selectionEndValue) {
selectionEndValue = selectionStartValue;
}
} else {
activeHandleDrag = that._activeHandleDrag = that._lastHandleDrag;
selectionEndValue = that._keyMap[e.keyCode](selectionEndValue);
if (selectionStartValue > selectionEndValue) {
selectionStartValue = selectionEndValue;
}
}
that._setValueInRange(round(selectionStartValue), round(selectionEndValue));
dragSelectionStart = Math.max(selectionStartValue, that.options.selectionStart);
dragSelectionEnd = Math.min(selectionEndValue, that.options.selectionEnd);
activeHandleDrag.selectionEnd = Math.max(dragSelectionEnd, that.options.selectionStart);
activeHandleDrag.selectionStart = Math.min(dragSelectionStart, that.options.selectionEnd);
activeHandleDrag._updateTooltip(that.value()[that._activeHandle]);
e.preventDefault();
}
},
_update: function(selectionStart, selectionEnd) {
var that = this, values = that.value();
var change = values[0] != selectionStart || values[1] != selectionEnd;
that.value([selectionStart, selectionEnd]);
if (change) {
that.trigger(CHANGE, {
values: [selectionStart, selectionEnd],
value: [selectionStart, selectionEnd]
});
}
},
value: function(value) {
if (value && value.length) {
return this._value(value[0], value[1]);
} else {
return this._value();
}
},
_value: function(start, end) {
var that = this, options = that.options, selectionStart = options.selectionStart, selectionEnd = options.selectionEnd;
if (isNaN(start) && isNaN(end)) {
return [selectionStart, selectionEnd];
} else {
start = round(start);
end = round(end);
}
if (start >= options.min && start <= options.max && end >= options.min && end <= options.max && start <= end) {
if (selectionStart != start || selectionEnd != end) {
that.element.find("input").eq(0).prop("value", formatValue(start)).end().eq(1).prop("value", formatValue(end));
options.selectionStart = start;
options.selectionEnd = end;
that._refresh();
that._refreshAriaAttr(start, end);
}
}
},
values: function(start, end) {
if (isArray(start)) {
return this._value(start[0], start[1]);
} else {
return this._value(start, end);
}
},
_refresh: function() {
var that = this, options = that.options;
that.trigger(MOVE_SELECTION, {
values: [options.selectionStart, options.selectionEnd],
value: [options.selectionStart, options.selectionEnd]
});
if (options.selectionStart == options.max && options.selectionEnd == options.max) {
that._setZIndex("firstHandle");
}
},
_refreshAriaAttr: function(start, end) {
var that = this, dragHandles = that.wrapper.find(DRAG_HANDLE), drag = that._activeHandleDrag, formattedValue;
formattedValue = that._getFormattedValue([start, end], drag);
dragHandles.eq(0).attr(ARIA_VALUENOW, start);
dragHandles.eq(1).attr(ARIA_VALUENOW, end);
dragHandles.attr(ARIA_VALUETEXT, formattedValue);
},
_setValueInRange: function(selectionStart, selectionEnd) {
var options = this.options;
selectionStart = math.max(math.min(selectionStart, options.max), options.min);
selectionEnd = math.max(math.min(selectionEnd, options.max), options.min);
if (selectionStart == options.max && selectionEnd == options.max) {
this._setZIndex("firstHandle");
}
this._update(math.min(selectionStart, selectionEnd), math.max(selectionStart, selectionEnd));
},
_setZIndex: function(type) {
this.wrapper.find(DRAG_HANDLE).each(function(index) {
$(this).css("z-index", type == "firstHandle" ? 1 - index : index);
});
},
_formResetHandler: function() {
var that = this, options = that.options;
setTimeout(function() {
var inputs = that.element.find("input");
var start = inputs[0].value;
var end = inputs[1].value;
that.values(start === "" || isNaN(start) ? options.min : start, end === "" || isNaN(end) ? options.max : end);
});
},
destroy: function() {
var that = this;
SliderBase.fn.destroy.call(that);
that.wrapper.off(NS).find(TICK_SELECTOR + ", " + TRACK_SELECTOR).off(NS).end().find(DRAG_HANDLE).off(NS);
that._firstHandleDrag.draggable.destroy();
that._lastHandleDrag.draggable.destroy();
}
});
RangeSlider.Selection = function(dragHandles, that, options) {
function moveSelection(value) {
value = value || [];
var selectionStartValue = value[0] - options.min, selectionEndValue = value[1] - options.min, selectionStartIndex = math.ceil(round(selectionStartValue / options.smallStep)), selectionEndIndex = math.ceil(round(selectionEndValue / options.smallStep)), selectionStart = that._pixelSteps[selectionStartIndex], selectionEnd = that._pixelSteps[selectionEndIndex];
dragHandles.eq(0).css(that._position, selectionStart).end().eq(1).css(that._position, selectionEnd);
makeSelection(selectionStart, selectionEnd);
}
function makeSelection(selectionStart, selectionEnd) {
var selection, selectionPosition, selectionDiv = that._trackDiv.find(".k-slider-selection");
selection = math.abs(selectionStart - selectionEnd);
selectionDiv[that._sizeFn](selection);
selectionPosition = math.min(selectionStart, selectionEnd);
selectionDiv.css(that._position, selectionPosition - 1);
}
moveSelection(that.value());
that.bind([
CHANGE,
SLIDE,
MOVE_SELECTION
], function(e) {
moveSelection(e.values);
});
};
kendo.ui.plugin(RangeSlider);
})(window.kendo.jQuery);
var kendo_slider_default = kendo;
//#endregion
Object.defineProperty(exports, '__meta__', {
enumerable: true,
get: function () {
return __meta__;
}
});
Object.defineProperty(exports, 'kendo_slider_default', {
enumerable: true,
get: function () {
return kendo_slider_default;
}
});