From eaf2afb44cb9de64b1ed13cb795efd0f44c541ec Mon Sep 17 00:00:00 2001 From: floatinghotpot Date: Fri, 13 Nov 2015 11:13:54 +0800 Subject: add preview attached image, allow upload image from clipboard and drag & drp --- client/components/cards/attachments.jade | 12 ++++- client/components/cards/attachments.js | 79 +++++++++++++++++++++++++++++++- client/components/cards/attachments.styl | 11 +++++ client/lib/dropImage.js | 62 +++++++++++++++++++++++++ client/lib/pasteImage.js | 57 +++++++++++++++++++++++ 5 files changed, 219 insertions(+), 2 deletions(-) create mode 100644 client/lib/dropImage.js create mode 100644 client/lib/pasteImage.js (limited to 'client') diff --git a/client/components/cards/attachments.jade b/client/components/cards/attachments.jade index 168fc2c8..79511ac9 100644 --- a/client/components/cards/attachments.jade +++ b/client/components/cards/attachments.jade @@ -3,6 +3,16 @@ template(name="cardAttachmentsPopup") li input.js-attach-file.hide(type="file" name="file" multiple) a.js-computer-upload {{_ 'computer'}} + li + a.js-upload-clipboard-image {{_ 'clipboard'}} + +template(name="previewClipboardImagePopup") + p {{_ "paste-or-dragdrop"}} + img.preview-clipboard-image() + button.primary.js-upload-pasted-image {{_ 'upload'}} + +template(name="previewAttachedImagePopup") + img.preview-large-image.js-large-image-clicked(src="{{pathFor url}}") template(name="attachmentDeletePopup") p {{_ "attachment-delete-pop"}} @@ -15,7 +25,7 @@ template(name="attachmentsGalery") .attachment-thumbnail if isUploaded if isImage - img.attachment-thumbnail-img(src="{{pathFor url}}") + img.attachment-thumbnail-img.js-preview-image(src="{{pathFor url}}") else span.attachment-thumbnail-ext= extension else diff --git a/client/components/cards/attachments.js b/client/components/cards/attachments.js index ea621a74..1e5aa03b 100644 --- a/client/components/cards/attachments.js +++ b/client/components/cards/attachments.js @@ -20,6 +20,39 @@ Template.attachmentsGalery.events({ 'click .js-remove-cover'() { Cards.findOne(this.cardId).unsetCover(); }, + 'click .js-preview-image'(evt) { + Popup.open('previewAttachedImage').call(this, evt); + // when multiple thumbnails, if click one then another very fast, + // we might get a wrong width from previous img. + // when popup reused, onRendered() won't be called, so we cannot get there. + // here make sure to get correct size when this img fully loaded. + const img = $('img.preview-large-image')[0]; + if (!img) return; + const rePosPopup = () => { + const w = img.width; + const h = img.height; + // if the image is too large, we resize & center the popup. + if (w > 300) { + $('div.pop-over').css({ + width: (w + 20), + position: 'absolute', + left: (window.innerWidth - w)/2, + top: (window.innerHeight - h)/2, + }); + } + }; + const url = $(evt.currentTarget).attr('src'); + if (img.src === url && img.complete) + rePosPopup(); + else + img.onload = rePosPopup; + }, +}); + +Template.previewAttachedImagePopup.events({ + 'click .js-large-image-clicked'(){ + Popup.close(); + }, }); Template.cardAttachmentsPopup.events({ @@ -28,7 +61,7 @@ Template.cardAttachmentsPopup.events({ FS.Utility.eachFile(evt, (f) => { const file = new FS.File(f); file.boardId = card.boardId; - file.cardId = card._id; + file.cardId = card._id; Attachments.insert(file); Popup.close(); @@ -38,4 +71,48 @@ Template.cardAttachmentsPopup.events({ tpl.find('.js-attach-file').click(); evt.preventDefault(); }, + 'click .js-upload-clipboard-image': Popup.open('previewClipboardImage'), +}); + +let pastedResults = null; + +Template.previewClipboardImagePopup.onRendered(() => { + // we can paste image from clipboard + $(document.body).pasteImageReader((results) => { + if (results.dataURL.startsWith('data:image/')) { + $('img.preview-clipboard-image').attr('src', results.dataURL); + pastedResults = results; + } + }); + + // we can also drag & drop image file to it + $(document.body).dropImageReader((results) => { + if (results.dataURL.startsWith('data:image/')) { + $('img.preview-clipboard-image').attr('src', results.dataURL); + pastedResults = results; + } + }); +}); + +Template.previewClipboardImagePopup.events({ + 'click .js-upload-pasted-image'() { + const results = pastedResults; + if (results && results.file) { + const card = this; + const file = new FS.File(results.file); + if (!results.name) { + // if no filename, it's from clipboard. then we give it a name, with ext name from MIME type + if (typeof results.file.type === 'string') { + file.name(results.file.type.replace('image/', 'clipboard.')); + } + } + file.updatedAt(new Date()); + file.boardId = card.boardId; + file.cardId = card._id; + Attachments.insert(file); + pastedResults = null; + $(document.body).pasteImageReader(() => {}); + Popup.close(); + } + }, }); diff --git a/client/components/cards/attachments.styl b/client/components/cards/attachments.styl index 5cdf7386..a582f3af 100644 --- a/client/components/cards/attachments.styl +++ b/client/components/cards/attachments.styl @@ -45,3 +45,14 @@ display: block box-shadow: 0 1px 2px rgba(0,0,0,.2) +.preview-large-image + max-width: 1000px + display: block + box-shadow: 0 1px 2px rgba(0,0,0,.2) + +.preview-clipboard-image + width: 280px + height: 200px + display: block + border: 1px solid black + box-shadow: 0 1px 2px rgba(0,0,0,.2) diff --git a/client/lib/dropImage.js b/client/lib/dropImage.js new file mode 100644 index 00000000..592d5c8f --- /dev/null +++ b/client/lib/dropImage.js @@ -0,0 +1,62 @@ +/* eslint-disable */ + +// ------------------------------------------------------------------------ +// Created by STRd6 +// MIT License +// https://github.com/distri/jquery-image_reader/blob/master/drop.coffee.md +// +// Raymond re-write it to javascript + +(function($) { + $.event.fix = (function(originalFix) { + return function(event) { + event = originalFix.apply(this, arguments); + if (event.type.indexOf('drag') === 0 || event.type.indexOf('drop') === 0) { + event.dataTransfer = event.originalEvent.dataTransfer; + } + return event; + }; + })($.event.fix); + + const defaults = { + callback: $.noop, + matchType: /image.*/, + }; + + return $.fn.dropImageReader = function(options) { + if (typeof options === 'function') { + options = { + callback: options, + }; + } + options = $.extend({}, defaults, options); + const stopFn = function(event) { + event.stopPropagation(); + return event.preventDefault(); + }; + return this.each(function() { + const element = this; + $(element).bind('dragenter dragover dragleave', stopFn); + return $(element).bind('drop', function(event) { + stopFn(event); + const files = event.dataTransfer.files; + for(let i=0; i