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编辑当前文件:/home2/sdektunc/.trash/media.2/plg_media-action_crop/js/crop.js
/** * @copyright (C) 2018 Open Source Matters, Inc.
* @license GNU General Public License version 2 or later; see LICENSE.txt */ /* global Cropper */ let formElements; let activated = false; let instance; const addListeners = () => { formElements.cropX.addEventListener('change', ({ currentTarget }) => { instance.setData({ x: parseInt(currentTarget.value, 10) }); }); formElements.cropY.addEventListener('change', ({ currentTarget }) => { instance.setData({ y: parseInt(currentTarget.value, 10) }); }); formElements.cropWidth.addEventListener('change', ({ currentTarget }) => { instance.setData({ width: parseInt(currentTarget.value, 10) }); }); formElements.cropHeight.addEventListener('change', ({ currentTarget }) => { instance.setData({ height: parseInt(currentTarget.value, 10) }); }); formElements.aspectRatio.addEventListener('change', ({ currentTarget }) => { instance.setAspectRatio(currentTarget.value); }); activated = true; }; const init = image => { // Set default aspect ratio after numeric check, option has a dummy value const defaultCropFactor = image.naturalWidth / image.naturalHeight; if (!Number.isNaN(defaultCropFactor) && Number.isFinite(defaultCropFactor)) { formElements.cropAspectRatioOption.value = defaultCropFactor; } // Initiate the cropper instance = new Cropper(image, { viewMode: 1, responsive: true, restore: true, autoCrop: true, movable: false, zoomable: false, rotatable: false, autoCropArea: 1, // scalable: false, crop(e) { formElements.cropX.value = Math.round(e.detail.x); formElements.cropY.value = Math.round(e.detail.y); formElements.cropWidth.value = Math.round(e.detail.width); formElements.cropHeight.value = Math.round(e.detail.height); const format = Joomla.MediaManager.Edit.original.extension === 'jpg' ? 'jpeg' : Joomla.MediaManager.Edit.original.extension; const quality = formElements.cropQuality.value; // Update the store Joomla.MediaManager.Edit.current.contents = this.cropper.getCroppedCanvas().toDataURL(`image/${format}`, quality); // Notify the app that a change has been made window.dispatchEvent(new Event('mediaManager.history.point')); } }); // Add listeners if (!activated) { addListeners(); } instance.setAspectRatio(formElements.cropAspectRatioOption.value); }; // Register the Events window.addEventListener('media-manager-edit-init', () => { formElements = { aspectRatio: document.getElementById('jform_aspectRatio'), cropHeight: document.getElementById('jform_crop_height'), cropWidth: document.getElementById('jform_crop_width'), cropY: document.getElementById('jform_crop_y'), cropX: document.getElementById('jform_crop_x'), cropQuality: document.getElementById('jform_crop_quality'), cropAspectRatioOption: document.querySelector('.crop-aspect-ratio-option') }; Joomla.MediaManager.Edit.plugins.crop = { Activate(image) { return new Promise((resolve /* , reject */ ) => { init(image); resolve(); }); }, Deactivate(image) { return new Promise((resolve /* , reject */ ) => { if (image.cropper) { image.cropper.destroy(); instance = null; } resolve(); }); } }; }, { once: true });