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| define(["require", "exports", "@syncfusion/ej2-base", "./scrollbar-elements", "../utils/helper", "../model/theme", "../model/constants"], function (require, exports, ej2_base_1, scrollbar_elements_1, helper_1, theme_1, constants_1) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var ScrollBar = (function () {
function ScrollBar(component, axis) {
this.svgExtraWidth = 50;
this.scrollRange = { max: null, min: null, interval: null, delta: null };
this.component = component;
this.elements = [];
this.scrollElements = new scrollbar_elements_1.ScrollElements(component);
this.axis = axis;
this.mouseMoveListener = this.scrollMouseMove.bind(this);
this.mouseUpListener = this.scrollMouseUp.bind(this);
this.animateDuration = 500;
this.isPointer = ej2_base_1.Browser.isPointer;
this.browserName = ej2_base_1.Browser.info.name;
}
ScrollBar.prototype.getMouseXY = function (e) {
var pageX;
var pageY;
var touchArg;
if (e.type.indexOf('touch') > -1) {
touchArg = e;
pageX = touchArg.changedTouches[0].clientX;
pageY = touchArg.changedTouches[0].clientY;
}
else {
pageX = e.clientX;
pageY = e.clientY;
}
var svgRect = helper_1.getElement(this.component.element.id + '_scrollBar_svg' + this.axis.name).getBoundingClientRect();
this.mouseX = pageX - Math.max(svgRect.left, 0);
this.mouseY = pageY - Math.max(svgRect.top, 0);
};
ScrollBar.prototype.wireEvents = function (element) {
ej2_base_1.EventHandler.add(element, ej2_base_1.Browser.touchStartEvent, this.scrollMouseDown, this);
ej2_base_1.EventHandler.add(element, ej2_base_1.Browser.touchMoveEvent, this.scrollMouseMove, this);
ej2_base_1.EventHandler.add(element, ej2_base_1.Browser.touchEndEvent, this.scrollMouseUp, this);
ej2_base_1.EventHandler.add(element, 'mousewheel', this.scrollMouseWheel, this);
window.addEventListener('mousemove', this.mouseMoveListener, false);
window.addEventListener('mouseup', this.mouseUpListener, false);
};
ScrollBar.prototype.unWireEvents = function (element) {
ej2_base_1.EventHandler.remove(element, ej2_base_1.Browser.touchStartEvent, this.scrollMouseDown);
ej2_base_1.EventHandler.remove(element, ej2_base_1.Browser.touchMoveEvent, this.scrollMouseMove);
ej2_base_1.EventHandler.remove(element, ej2_base_1.Browser.touchEndEvent, this.scrollMouseUp);
ej2_base_1.EventHandler.remove(element, 'mousewheel', this.scrollMouseWheel);
window.removeEventListener('mousemove', this.mouseMoveListener, false);
window.removeEventListener('mouseup', this.mouseUpListener, false);
};
ScrollBar.prototype.scrollMouseDown = function (e) {
var id = e.target.id;
var elem = this.scrollElements;
var isInverse = this.axis.isAxisInverse;
this.getMouseXY(e);
this.isResizeLeft = this.isExist(id, '_leftCircle_') || this.isExist(id, '_leftArrow_');
this.isResizeRight = this.isExist(id, '_rightCircle_') || this.isExist(id, '_rightArrow_');
this.previousXY = (this.isVertical && isInverse) ? this.mouseY : this.isVertical ? this.width -
this.mouseY : isInverse ? this.width - this.mouseX : this.mouseX;
this.previousWidth = elem.thumbRectWidth;
this.previousRectX = elem.thumbRectX;
this.startZoomPosition = this.axis.zoomPosition;
this.startZoomFactor = this.axis.zoomFactor;
this.startRange = this.axis.visibleRange;
this.scrollStarted = true;
this.component.trigger(constants_1.scrollStart, this.getArgs(constants_1.scrollStart));
if (this.isExist(id, 'scrollBarThumb_') || this.isExist(id, 'gripCircle')) {
this.isThumbDrag = true;
if (this.axis.scrollbarSettings.height >= 12) {
this.svgObject.style.cursor = '-webkit-grabbing';
}
}
else if (this.isExist(id, 'scrollBarBackRect_')) {
var currentX = this.moveLength(this.previousXY, this.previousRectX);
elem.thumbRectX = this.isWithIn(currentX) ? currentX : elem.thumbRectX;
this.positionThumb(elem.thumbRectX, elem.thumbRectWidth);
this.setZoomFactorPosition(elem.thumbRectX, elem.thumbRectWidth);
this.axis.zoomPosition = this.zoomPosition < 0 ? 0 : this.zoomPosition > 0.9 ? 1 : this.zoomPosition;
if (this.isLazyLoad) {
var thumbMove = elem.thumbRectX > this.previousRectX ? 'RightMove' : 'LeftMove';
var args = this.calculateLazyRange(elem.thumbRectX, elem.thumbRectWidth, thumbMove);
Eif (args) {
this.component.trigger(constants_1.scrollEnd, args);
}
}
}
if (this.component.element.style.height === '') {
this.isCustomHeight = true;
this.component.element.style.height = this.component.availableSize.height + 'px';
}
};
ScrollBar.prototype.isExist = function (id, match) {
return id.indexOf(match) > -1;
};
ScrollBar.prototype.isWithIn = function (currentX) {
var circleRadius = this.axis.scrollbarSettings.height / 2;
return ((currentX - (this.axis.scrollbarSettings.enableZoom && this.axis.orientation === 'Horizontal' ? this.svgExtraWidth / 2 : 0)) - circleRadius >= 0 &&
currentX + this.scrollElements.thumbRectWidth + circleRadius <= (this.width + (this.axis.scrollbarSettings.enableZoom && this.axis.orientation === 'Horizontal' ? this.svgExtraWidth / 2 : 0)));
};
ScrollBar.prototype.moveLength = function (mouseXY, thumbX, circleRadius) {
Eif (circleRadius === void 0) { circleRadius = this.axis.scrollbarSettings.height / 2; }
var moveLength = (10 / 100) * (this.width - circleRadius * 2);
if (mouseXY < thumbX) {
moveLength = thumbX - (thumbX - moveLength > circleRadius ? moveLength : circleRadius);
}
else {
moveLength = thumbX + (thumbX + this.scrollElements.thumbRectWidth + moveLength < this.width - circleRadius ?
moveLength : circleRadius);
}
return moveLength;
};
ScrollBar.prototype.setZoomFactorPosition = function (currentX, currentWidth) {
this.isScrollUI = true;
var axis = this.axis;
var circleRadius = this.axis.scrollbarSettings.height / 2;
var circleWidth = 1;
if (axis.scrollbarSettings.enableZoom && !this.isVertical) {
currentX -= (this.svgExtraWidth / 2);
currentWidth += (this.svgExtraWidth / 2);
}
var currentScrollWidth = currentX + currentWidth + circleRadius + circleWidth;
var currentZPWidth = circleRadius + (circleWidth / 2);
var axisSize = this.isVertical ? axis.rect.height : this.width +
(axis.scrollbarSettings.enableZoom ? this.svgExtraWidth : 0);
this.zoomFactor = (currentWidth + (currentScrollWidth >= this.width ? circleRadius + circleWidth : 0)) / axisSize;
this.zoomPosition = currentScrollWidth > axisSize ? (1 - axis.zoomFactor) : currentX < (circleRadius + circleWidth) ? 0 :
(currentX - (currentX - currentZPWidth <= 0 ? currentZPWidth : 0)) / axisSize;
this.zoomPosition = (this.component.enableRtl && !this.isVertical && !axis.isInversed) || (axis.isInversed &&
!(this.component.enableRtl && !this.isVertical)) ? 1 - (this.zoomPosition + axis.zoomFactor) : this.zoomPosition;
};
ScrollBar.prototype.scrollMouseMove = function (e) {
var target = e.target;
var elem = this.scrollElements;
var isInverse = this.axis.isAxisInverse;
Iif (!helper_1.getElement(this.svgObject.id)) {
return null;
}
this.getMouseXY(e);
Eif (!ej2_base_1.isNullOrUndefined(target.id)) {
this.setCursor(target);
this.setTheme(target);
}
var mouseXY = (this.isVertical && isInverse) ? this.width - this.mouseY : this.isVertical ?
this.mouseY : this.mouseX;
var range = this.axis.visibleRange;
var zoomPosition = this.zoomPosition;
var zoomFactor = this.zoomFactor;
var moveLength = this.previousRectX - elem.thumbRectX;
var thumbMove = moveLength < 0 ? 'RightMove' : 'LeftMove';
var args;
if (this.isLazyLoad && (this.isThumbDrag || this.isResizeLeft || this.isResizeRight)) {
args = this.calculateLazyRange(elem.thumbRectX, elem.thumbRectWidth, thumbMove);
}
var currentRange = args ? args.currentRange : null;
if (this.isThumbDrag) {
this.component.isScrolling = this.isThumbDrag;
mouseXY = (this.isVertical || isInverse) ? this.width - mouseXY : mouseXY;
var currentX = elem.thumbRectX + (mouseXY - this.previousXY);
if (mouseXY >= currentX + elem.thumbRectWidth) {
this.setCursor(target);
}
else {
if (this.axis.scrollbarSettings.height >= 12) {
this.svgObject.style.cursor = '-webkit-grabbing';
}
}
if (mouseXY >= 0 && mouseXY <= currentX + elem.thumbRectWidth) {
elem.thumbRectX = this.isWithIn(currentX) ? currentX : elem.thumbRectX;
this.positionThumb(elem.thumbRectX, elem.thumbRectWidth);
this.previousXY = mouseXY;
this.setZoomFactorPosition(currentX, elem.thumbRectWidth);
this.axis.zoomPosition = this.zoomPosition < 0 ? 0 : this.zoomPosition > 0.9 ? 1 : this.zoomPosition;
}
this.component.trigger(constants_1.scrollChanged, this.getArgs(constants_1.scrollChanged, range, zoomPosition, zoomFactor, currentRange));
}
else if ((this.isResizeLeft && (this.axis.orientation === 'Horizontal' ? (mouseXY > (this.svgExtraWidth / 2 + this.axis.scrollbarSettings.height / 2)) : true)) || (this.isResizeRight && (this.axis.orientation === 'Horizontal' ? (mouseXY < (this.width + this.svgExtraWidth)) : true))) {
this.resizeThumb();
}
};
ScrollBar.prototype.scrollMouseWheel = function (e) {
Iif (!this.axis.scrollbarSettings.enableZoom) {
return null;
}
var svgRect = helper_1.getElement(this.component.element.id + '_scrollBar_svg' + this.axis.name).getBoundingClientRect();
this.mouseX = e.clientX - Math.max(svgRect.left, 0);
this.mouseY = e.clientY - Math.max(svgRect.top, 0);
var origin = 0.5;
var elem = this.scrollElements;
var axis = this.axis;
var direction = (this.browserName === 'mozilla' && !this.isPointer) ?
-(e.detail) / 3 > 0 ? 1 : -1 : (e['wheelDelta'] / 120) > 0 ? 1 : -1;
var cumulative = Math.max(Math.max(1 / helper_1.minMax(axis.zoomFactor, 0, 1), 1) + (0.25 * direction), 1);
var range = this.axis.visibleRange;
var zoomPosition = this.zoomPosition;
var zoomFactor = this.zoomFactor;
var args;
Eif (cumulative >= 1) {
origin = axis.orientation === 'Horizontal' ? this.mouseX / axis.rect.width : 1 - (this.mouseY / axis.rect.height);
origin = origin > 1 ? 1 : origin < 0 ? 0 : origin;
this.zoomFactor = (cumulative === 1) ? 1 : helper_1.minMax(1 / cumulative, 0, 1);
this.zoomPosition = (cumulative === 1) ? 0 : axis.zoomPosition + ((axis.zoomFactor - this.zoomFactor) * origin);
}
elem.thumbRectX = this.isWithIn(this.zoomPosition * this.width) ? this.zoomPosition * this.width : elem.thumbRectX;
this.isScrollUI = true;
this.positionThumb(elem.thumbRectX, elem.thumbRectWidth);
if (this.isLazyLoad) {
this.setZoomFactorPosition(elem.thumbRectX, elem.thumbRectWidth);
this.axis.zoomFactor = this.zoomFactor;
this.axis.zoomPosition = this.zoomPosition < 0 ? 0 : this.zoomPosition > 0.9 ? 1 : this.zoomPosition;
}
axis.zoomFactor = this.zoomFactor;
axis.zoomPosition = this.zoomPosition;
if (this.isLazyLoad) {
args = this.calculateMouseWheelRange(elem.thumbRectX, elem.thumbRectWidth);
Eif (args) {
Eif ((args.currentRange.minimum !== args.previousAxisRange.minimum) && (args.currentRange.maximum !==
args.previousAxisRange.maximum)) {
this.component.trigger(constants_1.scrollEnd, args);
this.isScrollEnd = false;
}
}
}
if (!this.isLazyLoad) {
this.component.trigger(constants_1.scrollChanged, this.getArgs(constants_1.scrollChanged, range, zoomPosition, zoomFactor));
}
};
ScrollBar.prototype.scrollMouseUp = function () {
var args;
this.startX = this.scrollElements.thumbRectX;
var circleRadius = this.axis.scrollbarSettings.height / 2;
var circleWidth = 1;
var currentScrollWidth = this.startX + this.scrollElements.thumbRectWidth + circleRadius + circleWidth;
var currentZPWidth = circleRadius + (circleWidth / 2);
if ((this.isResizeLeft || this.isResizeRight) && !this.isLazyLoad) {
this.axis.zoomFactor = (currentScrollWidth >= this.width - 1 && (this.startX - currentZPWidth) <= 0) ? 1 : this.zoomFactor;
}
if (this.isLazyLoad) {
var moveLength = this.previousRectX - this.startX;
if ((moveLength > 0 || moveLength < 0) && this.isThumbDrag) {
var thumbMove = moveLength < 0 ? 'RightMove' : 'LeftMove';
Eif (thumbMove === 'RightMove') {
this.startX = (this.startX + Math.abs(moveLength)) < this.width - circleRadius ? this.startX :
this.width - circleRadius - this.scrollElements.thumbRectWidth;
}
else {
this.startX = (this.startX + this.scrollElements.thumbRectWidth - Math.abs(moveLength)) > circleRadius ?
this.startX : circleRadius;
}
args = this.calculateLazyRange(this.startX, this.scrollElements.thumbRectWidth, thumbMove);
Eif (args) {
this.component.trigger(constants_1.scrollEnd, args);
this.scrollStarted = false;
}
}
if (this.isResizeLeft || this.isResizeRight) {
args = this.calculateLazyRange(this.startX, this.scrollElements.thumbRectWidth);
Eif (args) {
this.component.trigger(constants_1.scrollEnd, args);
this.scrollStarted = false;
}
}
}
this.isThumbDrag = false;
this.isResizeLeft = false;
this.isResizeRight = false;
this.isScrollEnd = false;
this.component.isScrolling = false;
if (this.scrollStarted && !this.isLazyLoad) {
this.component.trigger(constants_1.scrollEnd, this.getArgs(constants_1.scrollChanged, this.startRange, this.startZoomPosition, this.startZoomFactor));
this.scrollStarted = false;
}
Iif (this.isCustomHeight) {
this.component.element.style.height = null;
}
};
ScrollBar.prototype.calculateMouseWheelRange = function (scrollThumbX, scrollThumbWidth) {
var zoomFactor;
var zoomPosition;
var args;
var range = this.scrollRange;
var previousRange = this.getStartEnd(this.previousStart, this.previousEnd, false);
var circleRadius = this.axis.scrollbarSettings.height / 2;
Eif ((scrollThumbX + scrollThumbWidth + circleRadius) <= this.width) {
zoomPosition = (scrollThumbX - circleRadius) / this.width;
zoomFactor = scrollThumbWidth / (this.width);
}
var currentStart = range.min + zoomPosition * range.delta;
var currentEnd = currentStart + zoomFactor * range.delta;
Eif (currentEnd) {
args = { axis: this.axis, currentRange: this.getStartEnd(currentStart, currentEnd, true), previousAxisRange: previousRange };
}
return args;
};
ScrollBar.prototype.calculateLazyRange = function (scrollThumbX, scrollThumbWidth, thumbMove) {
var currentScrollWidth = scrollThumbWidth;
var zoomFactor;
var zoomPosition;
var currentStart;
var currentEnd;
var args;
var range = this.scrollRange;
var previousRange = this.getStartEnd(this.previousStart, this.previousEnd, false);
var circleRadius = this.axis.scrollbarSettings.height / 2;
var circleWidth = 16;
if (this.isResizeRight || thumbMove === 'RightMove') {
currentScrollWidth = this.isResizeRight ? currentScrollWidth + circleWidth : currentScrollWidth;
zoomFactor = (currentScrollWidth) / this.width;
zoomPosition = thumbMove === 'RightMove' ? (scrollThumbX + circleRadius) / this.width : this.axis.zoomPosition;
currentStart = thumbMove === 'RightMove' ? (range.min + zoomPosition * range.delta) : this.previousStart;
currentEnd = currentStart + zoomFactor * range.delta;
}
else Eif (this.isResizeLeft || thumbMove === 'LeftMove') {
zoomPosition = (scrollThumbX - circleRadius) / this.width;
zoomFactor = currentScrollWidth / this.width;
currentStart = range.min + zoomPosition * range.delta;
currentStart = currentStart >= range.min ? currentStart : range.min;
currentEnd = thumbMove === 'LeftMove' ? (currentStart + zoomFactor * range.delta) : this.previousEnd;
}
else if (this.isThumbDrag) {
zoomPosition = thumbMove === 'RightMove' ? (scrollThumbX + circleRadius) / this.width : (scrollThumbX - circleRadius) / this.width;
zoomFactor = (this.scrollElements.thumbRectWidth) / this.width;
currentStart = range.min + zoomPosition * range.delta;
currentStart = currentStart >= range.min ? currentStart : range.min;
currentEnd = currentStart + zoomFactor * range.delta;
}
Eif (currentEnd) {
args = { axis: this.axis, currentRange: this.getStartEnd(currentStart, currentEnd, true),
previousAxisRange: previousRange };
}
return args;
};
ScrollBar.prototype.getStartEnd = function (start, end, isCurrentStartEnd) {
var valueType = this.valueType;
Iif ((valueType === 'DateTime' || valueType === 'DateTimeCategory') && isCurrentStartEnd) {
this.previousStart = start;
this.previousEnd = end;
}
else if (isCurrentStartEnd) {
var currentStart = Math.round(start);
var currentEnd = Math.ceil(end);
Iif (this.axis.valueType === 'Category') {
currentEnd -= (!this.axis.scrollbarSettings.enableZoom && currentEnd - currentStart >
this.previousEnd - this.previousStart) ? (currentEnd - currentStart) - (this.previousEnd - this.previousStart) : 0;
}
this.previousStart = start = currentStart;
this.previousEnd = end = currentEnd;
}
switch (valueType) {
case 'Double':
case 'Category':
case 'Logarithmic':
start = Math.round(start);
end = Math.ceil(end);
break;
case 'DateTime':
case 'DateTimeCategory':
start = new Date(start);
end = new Date(end);
break;
}
return { minimum: start, maximum: end };
};
ScrollBar.prototype.render = function (isScrollExist) {
Eif (this.component.zoomModule || (isScrollExist && this.axis.scrollbarSettings.enable)) {
this.getDefaults();
}
this.getTheme();
this.removeScrollSvg();
scrollbar_elements_1.createScrollSvg(this, this.component.svgRenderer);
this.wireEvents(this.svgObject);
this.svgObject.appendChild(this.scrollElements.renderElements(this, this.component.svgRenderer));
return this.svgObject;
};
ScrollBar.prototype.getTheme = function () {
this.scrollbarThemeStyle = theme_1.getScrollbarThemeColor(this.component.theme);
};
ScrollBar.prototype.removeScrollSvg = function () {
if (document.getElementById(this.component.element.id + '_scrollBar_svg' + this.axis.name)) {
ej2_base_1.remove(document.getElementById(this.component.element.id + '_scrollBar_svg' + this.axis.name));
}
};
ScrollBar.prototype.setCursor = function (target) {
var id = target.id;
this.svgObject.style.cursor = ((id.indexOf('scrollBarThumb_') > -1 || id.indexOf('_gripCircle') > -1) && this.axis.scrollbarSettings.height >= 12) ?
'-webkit-grab' : (id.indexOf('Circle_') > -1 || id.indexOf('Arrow_') > -1) ? this.isVertical ? 'ns-resize' :
'ew-resize' : 'auto';
};
ScrollBar.prototype.setTheme = function (target) {
var id = target.id;
var isLeftHover = id.indexOf('_leftCircle_') > -1 || id.indexOf('_leftArrow_') > -1;
var isRightHover = id.indexOf('_rightCircle_') > -1 || id.indexOf('_rightArrow_') > -1;
var style = this.scrollbarThemeStyle;
var leftArrowEle = this.scrollElements.leftArrowEle;
var rightArrowEle = this.scrollElements.rightArrowEle;
var leftCircleEle = this.scrollElements.leftCircleEle;
var rightCircleEle = this.scrollElements.rightCircleEle;
var isAxis = this.isCurrentAxis(target, leftArrowEle);
leftCircleEle.style.fill = isLeftHover && isAxis ? style.circleHover : style.circle;
rightCircleEle.style.fill = isRightHover && isAxis ? style.circleHover : style.circle;
leftCircleEle.style.stroke = isLeftHover && isAxis ? style.circleHover : style.circle;
rightCircleEle.style.stroke = isRightHover && isAxis ? style.circleHover : style.circle;
if (this.component.theme === 'HighContrastLight') {
leftArrowEle.style.fill = isLeftHover && isAxis ? style.arrowHover : style.arrow;
leftArrowEle.style.stroke = isLeftHover && isAxis ? style.arrowHover : style.arrow;
rightArrowEle.style.fill = isRightHover && isAxis ? style.arrowHover : style.arrow;
rightArrowEle.style.stroke = isRightHover && isAxis ? style.arrowHover : style.arrow;
leftCircleEle.style.stroke = isLeftHover && isAxis ? style.circleHover : style.circle;
rightCircleEle.style.stroke = isRightHover && isAxis ? style.circleHover : style.circle;
}
};
ScrollBar.prototype.isCurrentAxis = function (target, ele) {
return (target.id.split('_')[2] === ele.id.split('_')[2]);
};
ScrollBar.prototype.resizeThumb = function () {
var currentWidth;
var circleRadius = this.axis.scrollbarSettings.height / 2;
var padding = 5;
var gripWidth = 14;
var minThumbWidth = circleRadius * 2 + padding * 2 + gripWidth;
var thumbX = this.previousRectX;
var isInverse = this.axis.isAxisInverse;
var mouseXY = (this.isVertical && isInverse) ? this.mouseY : this.isVertical ? this.width -
this.mouseY : isInverse ? this.width - this.mouseX : this.mouseX;
var diff = Math.abs(this.previousXY - mouseXY);
if (this.isResizeLeft && mouseXY >= 0) {
var currentX = thumbX + (mouseXY > this.previousXY ? diff : -diff);
currentWidth = currentX - circleRadius >= 0 ? this.previousWidth + (mouseXY > this.previousXY ? -diff : diff) :
this.previousWidth;
currentX = currentX - circleRadius >= 0 ? currentX : thumbX;
if (currentWidth >= minThumbWidth && mouseXY < currentX + currentWidth) {
this.scrollElements.thumbRectX = this.previousRectX = currentX;
this.scrollElements.thumbRectWidth = this.previousWidth = currentWidth;
this.previousXY = mouseXY;
this.setZoomFactorPosition(currentX, currentWidth);
var argsData = {
axis: this.axis,
name: constants_1.scrollChanged,
range: this.axis.visibleRange,
zoomFactor: this.zoomFactor,
zoomPosition: this.zoomPosition,
previousRange: this.axis.visibleRange,
previousZoomFactor: this.axis.zoomFactor,
previousZoomPosition: this.axis.zoomPosition,
currentRange: null,
cancel: false
};
this.component.trigger(constants_1.scrollChanged, argsData);
Eif (!argsData.cancel) {
this.positionThumb(currentX, currentWidth);
this.axis.zoomFactor = argsData.zoomFactor;
this.axis.zoomPosition = argsData.zoomPosition;
}
else {
this.zoomFactor = argsData.previousZoomFactor;
this.zoomPosition = argsData.previousZoomPosition;
}
}
}
else Eif (this.isResizeRight) {
currentWidth = mouseXY >= minThumbWidth + this.scrollElements.thumbRectX && mouseXY <= (this.width + (this.axis.orientation === 'Horizontal' ? this.svgExtraWidth / 2 : 0)) - circleRadius ?
mouseXY - this.scrollElements.thumbRectX : this.previousWidth;
this.scrollElements.thumbRectWidth = this.previousWidth = currentWidth;
this.previousXY = mouseXY;
this.setZoomFactorPosition(this.startX, currentWidth);
if (!this.isLazyLoad) {
this.setZoomFactorPosition(this.startX, currentWidth);
}
var argsData = {
axis: this.axis,
name: constants_1.scrollChanged,
range: this.axis.visibleRange,
zoomFactor: this.zoomFactor,
zoomPosition: this.zoomPosition,
previousRange: this.axis.visibleRange,
previousZoomFactor: this.axis.zoomFactor,
previousZoomPosition: this.axis.zoomPosition,
currentRange: null,
cancel: false
};
this.component.trigger(constants_1.scrollChanged, argsData);
Eif (!argsData.cancel) {
this.positionThumb(this.startX, currentWidth);
this.axis.zoomFactor = argsData.zoomFactor;
this.axis.zoomPosition = argsData.zoomPosition;
}
else {
this.zoomFactor = argsData.previousZoomFactor;
this.zoomPosition = argsData.previousZoomPosition;
}
}
};
ScrollBar.prototype.positionThumb = function (currentX, currentWidth) {
var elem = this.scrollElements;
var gripWidth = 14;
var gripCircleDiameter = 2;
var padding = gripWidth / 2 - gripCircleDiameter;
elem.slider.setAttribute('x', this.axis.scrollbarSettings.enableZoom ? currentX.toString() : (currentX - this.axis.scrollbarSettings.height / 2).toString());
elem.slider.setAttribute('width', this.axis.scrollbarSettings.enableZoom ? currentWidth.toString() : (currentWidth + this.axis.scrollbarSettings.height).toString());
elem.leftCircleEle.setAttribute('cx', currentX.toString());
elem.rightCircleEle.setAttribute('cx', (currentX + currentWidth).toString());
elem.setArrowDirection(currentX, currentWidth, this.height);
elem.gripCircle.setAttribute('transform', 'translate(' + (currentX + currentWidth / 2 + ((this.isVertical ? 1 : -1) * padding)) +
',' + (this.isVertical ? (this.axis.scrollbarSettings.height / 2 + padding / 2) - 0.5 : (this.axis.scrollbarSettings.height / 2 - padding / 2) - 0.5) + ') rotate(' + (this.isVertical ? '180' : '0') + ')');
};
ScrollBar.prototype.getDefaults = function () {
var axis = this.axis;
var circleRadius = this.axis.scrollbarSettings.height / 2;
var padding = 5;
var gripWidth = 14;
var minThumbWidth = circleRadius * 2 + padding * 2 + gripWidth;
if (this.axis.scrollbarSettings.enable) {
this.isLazyLoad = true;
this.getLazyDefaults(axis);
}
this.isVertical = axis.orientation === 'Vertical';
var isRtlEnabled = (this.component.enableRtl && !this.isVertical && !axis.isInversed) ||
(axis.isInversed && !(this.component.enableRtl && !this.isVertical));
this.zoomFactor = this.isLazyLoad ? this.zoomFactor : axis.zoomFactor;
this.zoomPosition = this.isLazyLoad ? isRtlEnabled ? 1 - (this.zoomPosition + this.zoomFactor) : this.zoomPosition : isRtlEnabled ?
1 - (axis.zoomPosition + axis.zoomFactor) : axis.zoomPosition;
var currentWidth = this.zoomFactor * (this.isVertical ? axis.rect.height : axis.rect.width);
currentWidth = (this.isLazyLoad && !this.axis.scrollbarSettings.enableZoom) ||
currentWidth > minThumbWidth ? currentWidth : minThumbWidth;
this.scrollX = axis.rect.x;
this.scrollY = axis.rect.y;
this.width = this.isVertical ? axis.rect.height : axis.rect.width;
this.height = this.axis.scrollbarSettings.height;
var currentX = this.zoomPosition * (this.isVertical ? axis.rect.height : this.width);
var minThumbX = (this.width - minThumbWidth - circleRadius);
this.scrollElements.thumbRectX = currentX > minThumbX ? (!this.isVertical && this.axis.scrollbarSettings.enableZoom ?
minThumbX + this.svgExtraWidth / 2 : minThumbX) : currentX < circleRadius ?
(!this.isVertical && this.axis.scrollbarSettings.enableZoom ? circleRadius + this.svgExtraWidth / 2 : circleRadius)
: (!this.isVertical && this.axis.scrollbarSettings.enableZoom ? (currentX + this.svgExtraWidth / 2) : currentX);
this.scrollElements.thumbRectWidth = this.isThumbDrag ? this.scrollElements.thumbRectWidth :
((currentWidth + this.scrollElements.thumbRectX) < this.width - (circleRadius * 2))
? currentWidth : ((!this.isVertical && this.axis.scrollbarSettings.enableZoom ?
this.width + this.svgExtraWidth / 2 : this.width) - this.scrollElements.thumbRectX - circleRadius);
};
ScrollBar.prototype.getLazyDefaults = function (axis) {
var start;
var end;
var valueType = axis.valueType;
var scrollbarSettings = axis.scrollbarSettings;
var range = axis.scrollbarSettings.range;
var visibleRange = axis.visibleRange;
var pointsLength = axis.scrollbarSettings.pointsLength;
this.valueType = valueType = (!scrollbarSettings.range.minimum || !scrollbarSettings.range.maximum) &&
scrollbarSettings.pointsLength ? 'Double' : valueType;
var option = {
skeleton: 'full',
type: 'dateTime'
};
var dateParser = this.component.intl.getDateParser(option);
var dateFormatter = this.component.intl.getDateFormat(option);
switch (valueType) {
case 'Double':
case 'Category':
case 'Logarithmic':
start = range.minimum ? range.minimum : pointsLength ? 0 : visibleRange.min;
end = range.maximum ? range.maximum : pointsLength ? (pointsLength - 1) : visibleRange.max;
break;
case 'DateTime':
case 'DateTimeCategory':
start = range.minimum ? Date.parse(dateParser(dateFormatter(range.minimum))) : visibleRange.min;
end = range.maximum ? Date.parse(dateParser(dateFormatter(range.maximum))) : visibleRange.max;
break;
}
start = Math.min(start, visibleRange.min);
end = Math.max(end, visibleRange.max);
var zoomFactor = (visibleRange.max - visibleRange.min) / (end - start);
var zoomPosition = (visibleRange.min - start) / (end - start);
this.zoomFactor = range.minimum || range.maximum ? zoomFactor : (this.axis.maxPointLength / axis.scrollbarSettings.pointsLength);
this.zoomPosition = range.minimum || range.maximum ? zoomPosition : axis.zoomPosition;
this.zoomPosition = (this.component.enableRtl && axis.orientation === 'Horizontal' && !axis.isInversed) || (axis.isInversed && !(this.component.enableRtl && axis.orientation === 'Horizontal')) ? 1 - (this.zoomPosition + this.zoomFactor) : this.zoomPosition;
this.scrollRange.min = start;
this.scrollRange.max = end;
this.scrollRange.delta = end - start;
this.previousStart = visibleRange.min;
this.previousEnd = visibleRange.max;
};
ScrollBar.prototype.getLogRange = function (axis) {
var range = axis.scrollbarSettings.range;
var start = helper_1.logBase(range.minimum, axis.logBase);
var end = helper_1.logBase(range.maximum, axis.logBase);
start = isFinite(start) ? start : range.minimum;
end = isFinite(start) ? end : range.maximum;
return { minimum: Math.floor(start / 1), maximum: Math.ceil(end / 1) };
};
ScrollBar.prototype.injectTo = function (axis, component) {
axis.zoomingScrollBar = new ScrollBar(component, axis);
};
ScrollBar.prototype.destroy = function () {
var _this = this;
if (this.axes) {
this.axes.map(function (axis) {
axis.zoomingScrollBar.destroy();
});
}
else {
this.elements.map(function (element) {
_this.unWireEvents(element);
ej2_base_1.remove(element.firstChild);
});
this.elements = [];
}
};
ScrollBar.prototype.getModuleName = function () {
return 'ScrollBar';
};
ScrollBar.prototype.getArgs = function (eventName, range, zoomPosition, zoomFactor, currentRanges) {
var scrollArgs = {
axis: this.axis,
name: eventName,
range: this.axis.visibleRange,
zoomFactor: this.axis.zoomFactor,
zoomPosition: this.axis.zoomPosition,
previousRange: range,
previousZoomFactor: zoomFactor,
previousZoomPosition: zoomPosition,
currentRange: currentRanges
};
return scrollArgs;
};
return ScrollBar;
}());
exports.ScrollBar = ScrollBar;
});
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