import { __extends } from "tslib";
|
import * as util from './core/util.js';
|
import * as vec2 from './core/vector.js';
|
import Draggable from './mixin/Draggable.js';
|
import Eventful from './core/Eventful.js';
|
import * as eventTool from './core/event.js';
|
import { GestureMgr } from './core/GestureMgr.js';
|
import BoundingRect from './core/BoundingRect.js';
|
var SILENT = 'silent';
|
function makeEventPacket(eveType, targetInfo, event) {
|
return {
|
type: eveType,
|
event: event,
|
target: targetInfo.target,
|
topTarget: targetInfo.topTarget,
|
cancelBubble: false,
|
offsetX: event.zrX,
|
offsetY: event.zrY,
|
gestureEvent: event.gestureEvent,
|
pinchX: event.pinchX,
|
pinchY: event.pinchY,
|
pinchScale: event.pinchScale,
|
wheelDelta: event.zrDelta,
|
zrByTouch: event.zrByTouch,
|
which: event.which,
|
stop: stopEvent
|
};
|
}
|
function stopEvent() {
|
eventTool.stop(this.event);
|
}
|
var EmptyProxy = (function (_super) {
|
__extends(EmptyProxy, _super);
|
function EmptyProxy() {
|
var _this = _super !== null && _super.apply(this, arguments) || this;
|
_this.handler = null;
|
return _this;
|
}
|
EmptyProxy.prototype.dispose = function () { };
|
EmptyProxy.prototype.setCursor = function () { };
|
return EmptyProxy;
|
}(Eventful));
|
var HoveredResult = (function () {
|
function HoveredResult(x, y) {
|
this.x = x;
|
this.y = y;
|
}
|
return HoveredResult;
|
}());
|
var handlerNames = [
|
'click', 'dblclick', 'mousewheel', 'mouseout',
|
'mouseup', 'mousedown', 'mousemove', 'contextmenu'
|
];
|
var tmpRect = new BoundingRect(0, 0, 0, 0);
|
var Handler = (function (_super) {
|
__extends(Handler, _super);
|
function Handler(storage, painter, proxy, painterRoot, pointerSize) {
|
var _this = _super.call(this) || this;
|
_this._hovered = new HoveredResult(0, 0);
|
_this.storage = storage;
|
_this.painter = painter;
|
_this.painterRoot = painterRoot;
|
_this._pointerSize = pointerSize;
|
proxy = proxy || new EmptyProxy();
|
_this.proxy = null;
|
_this.setHandlerProxy(proxy);
|
_this._draggingMgr = new Draggable(_this);
|
return _this;
|
}
|
Handler.prototype.setHandlerProxy = function (proxy) {
|
if (this.proxy) {
|
this.proxy.dispose();
|
}
|
if (proxy) {
|
util.each(handlerNames, function (name) {
|
proxy.on && proxy.on(name, this[name], this);
|
}, this);
|
proxy.handler = this;
|
}
|
this.proxy = proxy;
|
};
|
Handler.prototype.mousemove = function (event) {
|
var x = event.zrX;
|
var y = event.zrY;
|
var isOutside = isOutsideBoundary(this, x, y);
|
var lastHovered = this._hovered;
|
var lastHoveredTarget = lastHovered.target;
|
if (lastHoveredTarget && !lastHoveredTarget.__zr) {
|
lastHovered = this.findHover(lastHovered.x, lastHovered.y);
|
lastHoveredTarget = lastHovered.target;
|
}
|
var hovered = this._hovered = isOutside ? new HoveredResult(x, y) : this.findHover(x, y);
|
var hoveredTarget = hovered.target;
|
var proxy = this.proxy;
|
proxy.setCursor && proxy.setCursor(hoveredTarget ? hoveredTarget.cursor : 'default');
|
if (lastHoveredTarget && hoveredTarget !== lastHoveredTarget) {
|
this.dispatchToElement(lastHovered, 'mouseout', event);
|
}
|
this.dispatchToElement(hovered, 'mousemove', event);
|
if (hoveredTarget && hoveredTarget !== lastHoveredTarget) {
|
this.dispatchToElement(hovered, 'mouseover', event);
|
}
|
};
|
Handler.prototype.mouseout = function (event) {
|
var eventControl = event.zrEventControl;
|
if (eventControl !== 'only_globalout') {
|
this.dispatchToElement(this._hovered, 'mouseout', event);
|
}
|
if (eventControl !== 'no_globalout') {
|
this.trigger('globalout', { type: 'globalout', event: event });
|
}
|
};
|
Handler.prototype.resize = function () {
|
this._hovered = new HoveredResult(0, 0);
|
};
|
Handler.prototype.dispatch = function (eventName, eventArgs) {
|
var handler = this[eventName];
|
handler && handler.call(this, eventArgs);
|
};
|
Handler.prototype.dispose = function () {
|
this.proxy.dispose();
|
this.storage = null;
|
this.proxy = null;
|
this.painter = null;
|
};
|
Handler.prototype.setCursorStyle = function (cursorStyle) {
|
var proxy = this.proxy;
|
proxy.setCursor && proxy.setCursor(cursorStyle);
|
};
|
Handler.prototype.dispatchToElement = function (targetInfo, eventName, event) {
|
targetInfo = targetInfo || {};
|
var el = targetInfo.target;
|
if (el && el.silent) {
|
return;
|
}
|
var eventKey = ('on' + eventName);
|
var eventPacket = makeEventPacket(eventName, targetInfo, event);
|
while (el) {
|
el[eventKey]
|
&& (eventPacket.cancelBubble = !!el[eventKey].call(el, eventPacket));
|
el.trigger(eventName, eventPacket);
|
el = el.__hostTarget ? el.__hostTarget : el.parent;
|
if (eventPacket.cancelBubble) {
|
break;
|
}
|
}
|
if (!eventPacket.cancelBubble) {
|
this.trigger(eventName, eventPacket);
|
if (this.painter && this.painter.eachOtherLayer) {
|
this.painter.eachOtherLayer(function (layer) {
|
if (typeof (layer[eventKey]) === 'function') {
|
layer[eventKey].call(layer, eventPacket);
|
}
|
if (layer.trigger) {
|
layer.trigger(eventName, eventPacket);
|
}
|
});
|
}
|
}
|
};
|
Handler.prototype.findHover = function (x, y, exclude) {
|
var list = this.storage.getDisplayList();
|
var out = new HoveredResult(x, y);
|
setHoverTarget(list, out, x, y, exclude);
|
if (this._pointerSize && !out.target) {
|
var candidates = [];
|
var pointerSize = this._pointerSize;
|
var targetSizeHalf = pointerSize / 2;
|
var pointerRect = new BoundingRect(x - targetSizeHalf, y - targetSizeHalf, pointerSize, pointerSize);
|
for (var i = list.length - 1; i >= 0; i--) {
|
var el = list[i];
|
if (el !== exclude
|
&& !el.ignore
|
&& !el.ignoreCoarsePointer
|
&& (!el.parent || !el.parent.ignoreCoarsePointer)) {
|
tmpRect.copy(el.getBoundingRect());
|
if (el.transform) {
|
tmpRect.applyTransform(el.transform);
|
}
|
if (tmpRect.intersect(pointerRect)) {
|
candidates.push(el);
|
}
|
}
|
}
|
if (candidates.length) {
|
var rStep = 4;
|
var thetaStep = Math.PI / 12;
|
var PI2 = Math.PI * 2;
|
for (var r = 0; r < targetSizeHalf; r += rStep) {
|
for (var theta = 0; theta < PI2; theta += thetaStep) {
|
var x1 = x + r * Math.cos(theta);
|
var y1 = y + r * Math.sin(theta);
|
setHoverTarget(candidates, out, x1, y1, exclude);
|
if (out.target) {
|
return out;
|
}
|
}
|
}
|
}
|
}
|
return out;
|
};
|
Handler.prototype.processGesture = function (event, stage) {
|
if (!this._gestureMgr) {
|
this._gestureMgr = new GestureMgr();
|
}
|
var gestureMgr = this._gestureMgr;
|
stage === 'start' && gestureMgr.clear();
|
var gestureInfo = gestureMgr.recognize(event, this.findHover(event.zrX, event.zrY, null).target, this.proxy.dom);
|
stage === 'end' && gestureMgr.clear();
|
if (gestureInfo) {
|
var type = gestureInfo.type;
|
event.gestureEvent = type;
|
var res = new HoveredResult();
|
res.target = gestureInfo.target;
|
this.dispatchToElement(res, type, gestureInfo.event);
|
}
|
};
|
return Handler;
|
}(Eventful));
|
util.each(['click', 'mousedown', 'mouseup', 'mousewheel', 'dblclick', 'contextmenu'], function (name) {
|
Handler.prototype[name] = function (event) {
|
var x = event.zrX;
|
var y = event.zrY;
|
var isOutside = isOutsideBoundary(this, x, y);
|
var hovered;
|
var hoveredTarget;
|
if (name !== 'mouseup' || !isOutside) {
|
hovered = this.findHover(x, y);
|
hoveredTarget = hovered.target;
|
}
|
if (name === 'mousedown') {
|
this._downEl = hoveredTarget;
|
this._downPoint = [event.zrX, event.zrY];
|
this._upEl = hoveredTarget;
|
}
|
else if (name === 'mouseup') {
|
this._upEl = hoveredTarget;
|
}
|
else if (name === 'click') {
|
if (this._downEl !== this._upEl
|
|| !this._downPoint
|
|| vec2.dist(this._downPoint, [event.zrX, event.zrY]) > 4) {
|
return;
|
}
|
this._downPoint = null;
|
}
|
this.dispatchToElement(hovered, name, event);
|
};
|
});
|
function isHover(displayable, x, y) {
|
if (displayable[displayable.rectHover ? 'rectContain' : 'contain'](x, y)) {
|
var el = displayable;
|
var isSilent = void 0;
|
var ignoreClip = false;
|
while (el) {
|
if (el.ignoreClip) {
|
ignoreClip = true;
|
}
|
if (!ignoreClip) {
|
var clipPath = el.getClipPath();
|
if (clipPath && !clipPath.contain(x, y)) {
|
return false;
|
}
|
if (el.silent) {
|
isSilent = true;
|
}
|
}
|
var hostEl = el.__hostTarget;
|
el = hostEl ? hostEl : el.parent;
|
}
|
return isSilent ? SILENT : true;
|
}
|
return false;
|
}
|
function setHoverTarget(list, out, x, y, exclude) {
|
for (var i = list.length - 1; i >= 0; i--) {
|
var el = list[i];
|
var hoverCheckResult = void 0;
|
if (el !== exclude
|
&& !el.ignore
|
&& (hoverCheckResult = isHover(el, x, y))) {
|
!out.topTarget && (out.topTarget = el);
|
if (hoverCheckResult !== SILENT) {
|
out.target = el;
|
break;
|
}
|
}
|
}
|
}
|
function isOutsideBoundary(handlerInstance, x, y) {
|
var painter = handlerInstance.painter;
|
return x < 0 || x > painter.getWidth() || y < 0 || y > painter.getHeight();
|
}
|
export default Handler;
|
