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authorstephanchrst <stephanchrst@gmail.com>2022-05-10 21:51:50 +0700
committerstephanchrst <stephanchrst@gmail.com>2022-05-10 21:51:50 +0700
commit3751379f1e9a4c215fb6eb898b4ccc67659b9ace (patch)
treea44932296ef4a9b71d5f010906253d8c53727726 /addons/web/static/src/js/libs/zoomodoo.js
parent0a15094050bfde69a06d6eff798e9a8ddf2b8c21 (diff)
initial commit 2
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+odoo.define('web.zoomodoo', function (require) {
+'use strict';
+
+/**
+ This code has been more that widely inspired by easyZoom library.
+
+ Copyright 2013 Matt Hinchliffe
+
+ Permission is hereby granted, free of charge, to any person obtaining
+ a copy of this software and associated documentation files (the
+ "Software"), to deal in the Software without restriction, including
+ without limitation the rights to use, copy, modify, merge, publish,
+ distribute, sublicense, and/or sell copies of the Software, and to
+ permit persons to whom the Software is furnished to do so, subject to
+ the following conditions:
+
+ The above copyright notice and this permission notice shall be
+ included in all copies or substantial portions of the Software.
+**/
+
+var dw, dh, rw, rh, lx, ly;
+
+var defaults = {
+
+ // Attribute to retrieve the zoom image URL from.
+ linkTag: 'a',
+ linkAttribute: 'data-zoom-image',
+
+ // event to trigger zoom
+ event: 'click', //or mouseenter
+
+ // Timer before trigger zoom
+ timer: 0,
+
+ // Prevent clicks on the zoom image link.
+ preventClicks: true,
+
+ // disable on mobile
+ disabledOnMobile: true,
+
+ // Callback function to execute before the flyout is displayed.
+ beforeShow: $.noop,
+
+ // Callback function to execute before the flyout is removed.
+ beforeHide: $.noop,
+
+ // Callback function to execute when the flyout is displayed.
+ onShow: $.noop,
+
+ // Callback function to execute when the flyout is removed.
+ onHide: $.noop,
+
+ // Callback function to execute when the cursor is moved while over the image.
+ onMove: $.noop,
+
+ // Callback function to execute when the flyout is attached to the target.
+ beforeAttach: $.noop
+
+};
+
+/**
+ * ZoomOdoo
+ * @constructor
+ * @param {Object} target
+ * @param {Object} options (Optional)
+ */
+function ZoomOdoo(target, options) {
+ this.$target = $(target);
+ this.opts = $.extend({}, defaults, options, this.$target.data());
+
+ if (this.isOpen === undefined) {
+ this._init();
+ }
+}
+
+/**
+ * Init
+ * @private
+ */
+ZoomOdoo.prototype._init = function () {
+ if (window.outerWidth > 467 || !this.opts.disabledOnMobile) {
+ this.$link = this.$target.find(this.opts.linkTag).length && this.$target.find(this.opts.linkTag) || this.$target;
+ this.$image = this.$target.find('img').length && this.$target.find('img') || this.$target;
+ this.$flyout = $('<div class="zoomodoo-flyout" />');
+
+ var $attach = this.$target;
+ if (this.opts.attach !== undefined && this.$target.closest(this.opts.attach).length) {
+ $attach = this.$target.closest(this.opts.attach);
+ }
+ $attach.parent().on('mousemove.zoomodoo touchmove.zoomodoo', $.proxy(this._onMove, this));
+ $attach.parent().on('mouseleave.zoomodoo touchend.zoomodoo', $.proxy(this._onLeave, this));
+ this.$target.on(this.opts.event + '.zoomodoo touchstart.zoomodoo', $.proxy(this._onEnter, this));
+
+ if (this.opts.preventClicks) {
+ this.$target.on('click.zoomodoo', function (e) { e.preventDefault(); });
+ } else {
+ var self = this;
+ this.$target.on('click.zoomodoo', function () { self.hide(); self.$target.unbind(); });
+ }
+ }
+};
+
+/**
+ * Show
+ * @param {MouseEvent|TouchEvent} e
+ * @param {Boolean} testMouseOver (Optional)
+ */
+ZoomOdoo.prototype.show = function (e, testMouseOver) {
+ var w1, h1, w2, h2;
+ var self = this;
+
+ if (this.opts.beforeShow.call(this) === false) return;
+
+ if (!this.isReady) {
+ return this._loadImage(this.$link.attr(this.opts.linkAttribute), function () {
+ if (self.isMouseOver || !testMouseOver) {
+ self.show(e);
+ }
+ });
+ }
+
+ var $attach = this.$target;
+ if (this.opts.attach !== undefined && this.$target.closest(this.opts.attach).length) {
+ $attach = this.$target.closest(this.opts.attach);
+ }
+
+ // Prevents having multiple zoom flyouts
+ $attach.parent().find('.zoomodoo-flyout').remove();
+ this.$flyout.removeAttr('style');
+ $attach.parent().append(this.$flyout);
+
+ if (this.opts.attachToTarget) {
+ this.opts.beforeAttach.call(this);
+
+ // Be sure that the flyout is at top 0, left 0 to ensure correct computation
+ // e.g. employees kanban on dashboard
+ this.$flyout.css('position', 'fixed');
+ var flyoutOffset = this.$flyout.offset();
+ if (flyoutOffset.left > 0) {
+ var flyoutLeft = parseFloat(this.$flyout.css('left').replace('px',''));
+ this.$flyout.css('left', flyoutLeft - flyoutOffset.left + 'px');
+ }
+ if (flyoutOffset.top > 0) {
+ var flyoutTop = parseFloat(this.$flyout.css('top').replace('px',''));
+ this.$flyout.css('top', flyoutTop - flyoutOffset.top + 'px');
+ }
+
+ if(this.$zoom.height() < this.$flyout.height()) {
+ this.$flyout.css('height', this.$zoom.height() + 'px');
+ }
+ if(this.$zoom.width() < this.$flyout.width()) {
+ this.$flyout.css('width', this.$zoom.width() + 'px');
+ }
+
+ var offset = this.$target.offset();
+ var left = offset.left - this.$flyout.width();
+ var top = offset.top;
+
+ // Position the zoom on the right side of the target
+ // if there's not enough room on the left
+ if(left < 0) {
+ if(offset.left < ($(document).width() / 2)) {
+ left = offset.left + this.$target.width();
+ } else {
+ left = 0;
+ }
+ }
+
+ // Prevents the flyout to overflow
+ if(left + this.$flyout.width() > $(document).width()) {
+ this.$flyout.css('width', $(document).width() - left + 'px');
+ } else if(left === 0) { // Limit the max width if displayed on the left
+ this.$flyout.css('width', offset.left + 'px');
+ }
+
+ // Prevents the zoom to be displayed outside the current viewport
+ if((top + this.$flyout.height()) > $(document).height()) {
+ top = $(document).height() - this.$flyout.height();
+ }
+
+ this.$flyout.css('transform', 'translate3d(' + left + 'px, ' + top + 'px, 0px)');
+ } else {
+ // Computing flyout max-width depending to the available space on the right to avoid overflow-x issues
+ // e.g. width too high so a right zoomed element is not visible (need to scroll on x axis)
+ var rightAvailableSpace = document.body.clientWidth - this.$flyout[0].getBoundingClientRect().left;
+ this.$flyout.css('max-width', rightAvailableSpace);
+ }
+
+ w1 = this.$target[0].offsetWidth;
+ h1 = this.$target[0].offsetHeight;
+
+ w2 = this.$flyout.width();
+ h2 = this.$flyout.height();
+
+ dw = this.$zoom.width() - w2;
+ dh = this.$zoom.height() - h2;
+
+ // For the case where the zoom image is actually smaller than
+ // the flyout.
+ if (dw < 0) dw = 0;
+ if (dh < 0) dh = 0;
+
+ rw = dw / w1;
+ rh = dh / h1;
+
+ this.isOpen = true;
+
+ this.opts.onShow.call(this);
+
+ if (e) {
+ this._move(e);
+ }
+};
+
+/**
+ * On enter
+ * @private
+ * @param {Event} e
+ */
+ZoomOdoo.prototype._onEnter = function (e) {
+ var self = this;
+ var touches = e.originalEvent.touches;
+ e.preventDefault();
+ this.isMouseOver = true;
+
+ setTimeout(function () {
+ if (self.isMouseOver && (!touches || touches.length === 1)) {
+ self.show(e, true);
+ }
+ }, this.opts.timer);
+
+};
+
+/**
+ * On move
+ * @private
+ * @param {Event} e
+ */
+ZoomOdoo.prototype._onMove = function (e) {
+ if (!this.isOpen) return;
+
+ e.preventDefault();
+ this._move(e);
+};
+
+/**
+ * On leave
+ * @private
+ */
+ZoomOdoo.prototype._onLeave = function () {
+ this.isMouseOver = false;
+ if (this.isOpen) {
+ this.hide();
+ }
+};
+
+/**
+ * On load
+ * @private
+ * @param {Event} e
+ */
+ZoomOdoo.prototype._onLoad = function (e) {
+ // IE may fire a load event even on error so test the image dimensions
+ if (!e.currentTarget.width) return;
+
+ this.isReady = true;
+
+ this.$flyout.html(this.$zoom);
+
+ if (e.data.call) {
+ e.data();
+ }
+};
+
+/**
+ * Load image
+ * @private
+ * @param {String} href
+ * @param {Function} callback
+ */
+ZoomOdoo.prototype._loadImage = function (href, callback) {
+ var zoom = new Image();
+
+ this.$zoom = $(zoom).on('load', callback, $.proxy(this._onLoad, this));
+
+ zoom.style.position = 'absolute';
+ zoom.src = href;
+};
+
+/**
+ * Move
+ * @private
+ * @param {Event} e
+ */
+ZoomOdoo.prototype._move = function (e) {
+ if (e.type.indexOf('touch') === 0) {
+ var touchlist = e.touches || e.originalEvent.touches;
+ lx = touchlist[0].pageX;
+ ly = touchlist[0].pageY;
+ } else {
+ lx = e.pageX || lx;
+ ly = e.pageY || ly;
+ }
+
+ var offset = this.$target.offset();
+ var pt = ly - offset.top;
+ var pl = lx - offset.left;
+ var xt = Math.ceil(pt * rh);
+ var xl = Math.ceil(pl * rw);
+
+ // Close if outside
+ if (!this.opts.attachToTarget && (xl < 0 || xt < 0 || xl > dw || xt > dh || lx > (offset.left + this.$target.outerWidth()))) {
+ this.hide();
+ } else {
+ var top = xt * -1;
+ var left = xl * -1;
+
+ this.$zoom.css({
+ top: top,
+ left: left
+ });
+
+ this.opts.onMove.call(this, top, left);
+ }
+
+};
+
+/**
+ * Hide
+ */
+ZoomOdoo.prototype.hide = function () {
+ if (!this.isOpen) return;
+ if (this.opts.beforeHide.call(this) === false) return;
+
+ this.$flyout.detach();
+ this.isOpen = false;
+
+ this.opts.onHide.call(this);
+};
+
+// jQuery plugin wrapper
+$.fn.zoomOdoo = function (options) {
+ return this.each(function () {
+ var api = $.data(this, 'zoomOdoo');
+
+ if (!api) {
+ $.data(this, 'zoomOdoo', new ZoomOdoo(this, options));
+ } else if (api.isOpen === undefined) {
+ api._init();
+ }
+ });
+};
+});