devextreme
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HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (cjs/ui/resizable.js)
* Version: 21.1.4
* Build date: Mon Jun 21 2021
*
* Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
"use strict";
exports.default = void 0;
var _translator = require("../animation/translator");
var _component_registrator = _interopRequireDefault(require("../core/component_registrator"));
var _dom_component = _interopRequireDefault(require("../core/dom_component"));
var _renderer = _interopRequireDefault(require("../core/renderer"));
var _array = require("../core/utils/array");
var _common = require("../core/utils/common");
var _extend = require("../core/utils/extend");
var _iterator = require("../core/utils/iterator");
var _math = require("../core/utils/math");
var _type = require("../core/utils/type");
var _window = require("../core/utils/window");
var _events_engine = _interopRequireDefault(require("../events/core/events_engine"));
var _drag = require("../events/drag");
var _position = require("../core/utils/position");
var _index = require("../events/utils/index");
var _visibility_change = require("../events/visibility_change");
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {
default: obj
}
}
var RESIZABLE = "dxResizable";
var RESIZABLE_CLASS = "dx-resizable";
var RESIZABLE_RESIZING_CLASS = "dx-resizable-resizing";
var RESIZABLE_HANDLE_CLASS = "dx-resizable-handle";
var RESIZABLE_HANDLE_TOP_CLASS = "dx-resizable-handle-top";
var RESIZABLE_HANDLE_BOTTOM_CLASS = "dx-resizable-handle-bottom";
var RESIZABLE_HANDLE_LEFT_CLASS = "dx-resizable-handle-left";
var RESIZABLE_HANDLE_RIGHT_CLASS = "dx-resizable-handle-right";
var RESIZABLE_HANDLE_CORNER_CLASS = "dx-resizable-handle-corner";
var DRAGSTART_START_EVENT_NAME = (0, _index.addNamespace)(_drag.start, RESIZABLE);
var DRAGSTART_EVENT_NAME = (0, _index.addNamespace)(_drag.move, RESIZABLE);
var DRAGSTART_END_EVENT_NAME = (0, _index.addNamespace)(_drag.end, RESIZABLE);
var SIDE_BORDER_WIDTH_STYLES = {
left: "borderLeftWidth",
top: "borderTopWidth",
right: "borderRightWidth",
bottom: "borderBottomWidth"
};
var Resizable = _dom_component.default.inherit({
_getDefaultOptions: function() {
return (0, _extend.extend)(this.callBase(), {
handles: "all",
step: "1",
stepPrecision: "simple",
area: void 0,
minWidth: 30,
maxWidth: 1 / 0,
minHeight: 30,
maxHeight: 1 / 0,
onResizeStart: null,
onResize: null,
onResizeEnd: null,
roundStepValue: true
})
},
_init: function() {
this.callBase();
this.$element().addClass(RESIZABLE_CLASS)
},
_initMarkup: function() {
this.callBase();
this._renderHandles()
},
_render: function() {
this.callBase();
this._renderActions()
},
_renderActions: function() {
this._resizeStartAction = this._createActionByOption("onResizeStart");
this._resizeEndAction = this._createActionByOption("onResizeEnd");
this._resizeAction = this._createActionByOption("onResize")
},
_renderHandles: function() {
var _this = this;
this._handles = [];
var handles = this.option("handles");
if ("none" === handles) {
return
}
var directions = "all" === handles ? ["top", "bottom", "left", "right"] : handles.split(" ");
(0, _iterator.each)(directions, (function(index, handleName) {
_this._renderHandle(handleName)
}));
(0, _array.inArray)("bottom", directions) + 1 && (0, _array.inArray)("right", directions) + 1 && this._renderHandle("corner-bottom-right");
(0, _array.inArray)("bottom", directions) + 1 && (0, _array.inArray)("left", directions) + 1 && this._renderHandle("corner-bottom-left");
(0, _array.inArray)("top", directions) + 1 && (0, _array.inArray)("right", directions) + 1 && this._renderHandle("corner-top-right");
(0, _array.inArray)("top", directions) + 1 && (0, _array.inArray)("left", directions) + 1 && this._renderHandle("corner-top-left");
this._attachEventHandlers()
},
_renderHandle: function(handleName) {
var $handle = (0, _renderer.default)("<div>").addClass(RESIZABLE_HANDLE_CLASS).addClass(RESIZABLE_HANDLE_CLASS + "-" + handleName).appendTo(this.$element());
this._handles.push($handle)
},
_attachEventHandlers: function() {
if (this.option("disabled")) {
return
}
var handlers = {};
handlers[DRAGSTART_START_EVENT_NAME] = this._dragStartHandler.bind(this);
handlers[DRAGSTART_EVENT_NAME] = this._dragHandler.bind(this);
handlers[DRAGSTART_END_EVENT_NAME] = this._dragEndHandler.bind(this);
this._handles.forEach((function(handleElement) {
_events_engine.default.on(handleElement, handlers, {
direction: "both",
immediate: true
})
}))
},
_detachEventHandlers: function() {
this._handles.forEach((function(handleElement) {
_events_engine.default.off(handleElement)
}))
},
_toggleEventHandlers: function(shouldAttachEvents) {
shouldAttachEvents ? this._attachEventHandlers() : this._detachEventHandlers()
},
_dragStartHandler: function(e) {
var $element = this.$element();
if ($element.is(".dx-state-disabled, .dx-state-disabled *")) {
e.cancel = true;
return
}
this._toggleResizingClass(true);
this._movingSides = this._getMovingSides(e);
this._elementLocation = (0, _translator.locate)($element);
var elementRect = (0, _position.getBoundingRect)($element.get(0));
this._elementSize = {
width: elementRect.width,
height: elementRect.height
};
this._renderDragOffsets(e);
this._resizeStartAction({
event: e,
width: this._elementSize.width,
height: this._elementSize.height,
handles: this._movingSides
});
e.targetElements = null
},
_toggleResizingClass: function(value) {
this.$element().toggleClass(RESIZABLE_RESIZING_CLASS, value)
},
_renderDragOffsets: function(e) {
var area = this._getArea();
if (!area) {
return
}
var $handle = (0, _renderer.default)(e.target).closest("." + RESIZABLE_HANDLE_CLASS);
var handleWidth = $handle.outerWidth();
var handleHeight = $handle.outerHeight();
var handleOffset = $handle.offset();
var areaOffset = area.offset;
var scrollOffset = this._getAreaScrollOffset();
e.maxLeftOffset = handleOffset.left - areaOffset.left - scrollOffset.scrollX;
e.maxRightOffset = areaOffset.left + area.width - handleOffset.left - handleWidth + scrollOffset.scrollX;
e.maxTopOffset = handleOffset.top - areaOffset.top - scrollOffset.scrollY;
e.maxBottomOffset = areaOffset.top + area.height - handleOffset.top - handleHeight + scrollOffset.scrollY
},
_getBorderWidth: function($element, direction) {
if ((0, _type.isWindow)($element.get(0))) {
return 0
}
var borderWidth = $element.css(SIDE_BORDER_WIDTH_STYLES[direction]);
return parseInt(borderWidth) || 0
},
_dragHandler: function(e) {
var $element = this.$element();
var sides = this._movingSides;
var location = this._elementLocation;
var size = this._elementSize;
var offset = this._getOffset(e);
var width = size.width + offset.x * (sides.left ? -1 : 1);
var height = size.height + offset.y * (sides.top ? -1 : 1);
if (offset.x || "strict" === this.option("stepPrecision")) {
this._renderWidth(width)
}
if (offset.y || "strict" === this.option("stepPrecision")) {
this._renderHeight(height)
}
var elementRect = (0, _position.getBoundingRect)($element.get(0));
var offsetTop = offset.y - ((elementRect.height || height) - height);
var offsetLeft = offset.x - ((elementRect.width || width) - width);
(0, _translator.move)($element, {
top: location.top + (sides.top ? offsetTop : 0),
left: location.left + (sides.left ? offsetLeft : 0)
});
this._resizeAction({
event: e,
width: this.option("width") || width,
height: this.option("height") || height,
handles: this._movingSides
});
(0, _visibility_change.triggerResizeEvent)($element)
},
_getOffset: function(e) {
var offset = e.offset;
var steps = (0, _common.pairToObject)(this.option("step"), !this.option("roundStepValue"));
var sides = this._getMovingSides(e);
var strictPrecision = "strict" === this.option("stepPrecision");
if (!sides.left && !sides.right) {
offset.x = 0
}
if (!sides.top && !sides.bottom) {
offset.y = 0
}
return strictPrecision ? this._getStrictOffset(offset, steps, sides) : this._getSimpleOffset(offset, steps)
},
_getSimpleOffset: function(offset, steps) {
return {
x: offset.x - offset.x % steps.h,
y: offset.y - offset.y % steps.v
}
},
_getStrictOffset: function(offset, steps, sides) {
var location = this._elementLocation;
var size = this._elementSize;
var xPos = sides.left ? location.left : location.left + size.width;
var yPos = sides.top ? location.top : location.top + size.height;
var newXShift = (xPos + offset.x) % steps.h;
var newYShift = (yPos + offset.y) % steps.v;
var sign = Math.sign || function(x) {
x = +x;
if (0 === x || isNaN(x)) {
return x
}
return x > 0 ? 1 : -1
};
var separatorOffset = function(steps, offset) {
return (1 + .2 * sign(offset)) % 1 * steps
};
var isSmallOffset = function(offset, steps) {
return Math.abs(offset) < .2 * steps
};
var newOffsetX = offset.x - newXShift;
var newOffsetY = offset.y - newYShift;
if (newXShift > separatorOffset(steps.h, offset.x)) {
newOffsetX += steps.h
}
if (newYShift > separatorOffset(steps.v, offset.y)) {
newOffsetY += steps.v
}
return {
x: (sides.left || sides.right) && !isSmallOffset(offset.x, steps.h) ? newOffsetX : 0,
y: (sides.top || sides.bottom) && !isSmallOffset(offset.y, steps.v) ? newOffsetY : 0
}
},
_getMovingSides: function(e) {
var $target = (0, _renderer.default)(e.target);
var hasCornerTopLeftClass = $target.hasClass(RESIZABLE_HANDLE_CORNER_CLASS + "-top-left");
var hasCornerTopRightClass = $target.hasClass(RESIZABLE_HANDLE_CORNER_CLASS + "-top-right");
var hasCornerBottomLeftClass = $target.hasClass(RESIZABLE_HANDLE_CORNER_CLASS + "-bottom-left");
var hasCornerBottomRightClass = $target.hasClass(RESIZABLE_HANDLE_CORNER_CLASS + "-bottom-right");
return {
top: $target.hasClass(RESIZABLE_HANDLE_TOP_CLASS) || hasCornerTopLeftClass || hasCornerTopRightClass,
left: $target.hasClass(RESIZABLE_HANDLE_LEFT_CLASS) || hasCornerTopLeftClass || hasCornerBottomLeftClass,
bottom: $target.hasClass(RESIZABLE_HANDLE_BOTTOM_CLASS) || hasCornerBottomLeftClass || hasCornerBottomRightClass,
right: $target.hasClass(RESIZABLE_HANDLE_RIGHT_CLASS) || hasCornerTopRightClass || hasCornerBottomRightClass
}
},
_getArea: function() {
var area = this.option("area");
if ((0, _type.isFunction)(area)) {
area = area.call(this)
}
if ((0, _type.isPlainObject)(area)) {
return this._getAreaFromObject(area)
}
return this._getAreaFromElement(area)
},
_getAreaScrollOffset: function() {
var area = this.option("area");
var isElement = !(0, _type.isFunction)(area) && !(0, _type.isPlainObject)(area);
var scrollOffset = {
scrollY: 0,
scrollX: 0
};
if (isElement) {
var areaElement = (0, _renderer.default)(area)[0];
if ((0, _type.isWindow)(areaElement)) {
scrollOffset.scrollX = areaElement.pageXOffset;
scrollOffset.scrollY = areaElement.pageYOffset
}
}
return scrollOffset
},
_getAreaFromObject: function(area) {
var result = {
width: area.right - area.left,
height: area.bottom - area.top,
offset: {
left: area.left,
top: area.top
}
};
this._correctAreaGeometry(result);
return result
},
_getAreaFromElement: function(area) {
var $area = (0, _renderer.default)(area);
var result;
if ($area.length) {
result = {
width: $area.innerWidth(),
height: $area.innerHeight(),
offset: (0, _extend.extend)({
top: 0,
left: 0
}, (0, _type.isWindow)($area[0]) ? {} : $area.offset())
};
this._correctAreaGeometry(result, $area)
}
return result
},
_correctAreaGeometry: function(result, $area) {
var areaBorderLeft = $area ? this._getBorderWidth($area, "left") : 0;
var areaBorderTop = $area ? this._getBorderWidth($area, "top") : 0;
result.offset.left += areaBorderLeft + this._getBorderWidth(this.$element(), "left");
result.offset.top += areaBorderTop + this._getBorderWidth(this.$element(), "top");
result.width -= this.$element().outerWidth() - this.$element().innerWidth();
result.height -= this.$element().outerHeight() - this.$element().innerHeight()
},
_dragEndHandler: function(e) {
var $element = this.$element();
this._resizeEndAction({
event: e,
width: $element.outerWidth(),
height: $element.outerHeight(),
handles: this._movingSides
});
this._toggleResizingClass(false)
},
_renderWidth: function(width) {
this.option("width", (0, _math.fitIntoRange)(width, this.option("minWidth"), this.option("maxWidth")))
},
_renderHeight: function(height) {
this.option("height", (0, _math.fitIntoRange)(height, this.option("minHeight"), this.option("maxHeight")))
},
_optionChanged: function(args) {
switch (args.name) {
case "disabled":
this._toggleEventHandlers(!args.value);
this.callBase(args);
break;
case "handles":
this._invalidate();
break;
case "minWidth":
case "maxWidth":
(0, _window.hasWindow)() && this._renderWidth(this.$element().outerWidth());
break;
case "minHeight":
case "maxHeight":
(0, _window.hasWindow)() && this._renderHeight(this.$element().outerHeight());
break;
case "onResize":
case "onResizeStart":
case "onResizeEnd":
this._renderActions();
break;
case "area":
case "stepPrecision":
case "step":
case "roundStepValue":
break;
default:
this.callBase(args)
}
},
_clean: function() {
this.$element().find("." + RESIZABLE_HANDLE_CLASS).remove()
},
_useTemplates: function() {
return false
}
});
(0, _component_registrator.default)(RESIZABLE, Resizable);
var _default = Resizable;
exports.default = _default;
module.exports = exports.default;
module.exports.default = exports.default;