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Template.attachmentsGalery.events({
'click .js-add-attachment': Popup.open('cardAttachments'),
'click .js-confirm-delete': Popup.afterConfirm(
'attachmentDelete',
function() {
Attachments.remove(this._id);
Popup.close();
},
),
// If we let this event bubble, FlowRouter will handle it and empty the page
// content, see #101.
'click .js-download'(event) {
event.stopPropagation();
},
'click .js-add-cover'() {
Cards.findOne(this.cardId).setCover(this._id);
},
'click .js-remove-cover'() {
Cards.findOne(this.cardId).unsetCover();
},
'click .js-preview-image'(event) {
Popup.open('previewAttachedImage').call(this, event);
// 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 = $(event.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({
'change .js-attach-file'(event) {
const card = this;
const processFile = f => {
const file = new FS.File(f);
if (card.isLinkedCard()) {
file.boardId = Cards.findOne(card.linkedId).boardId;
file.cardId = card.linkedId;
} else {
file.boardId = card.boardId;
file.swimlaneId = card.swimlaneId;
file.listId = card.listId;
file.cardId = card._id;
}
file.userId = Meteor.userId();
const attachment = Attachments.insert(file);
if (attachment && attachment._id && attachment.isImage()) {
card.setCover(attachment._id);
}
Popup.close();
};
FS.Utility.eachFile(event, f => {
if (
MAX_IMAGE_PIXEL > 0 &&
typeof f.type === 'string' &&
f.type.match(/^image/)
) {
// is image
const reader = new FileReader();
reader.onload = function(e) {
const dataurl = e && e.target && e.target.result;
if (dataurl !== undefined) {
shrinkImage({
dataurl,
maxSize: MAX_IMAGE_PIXEL,
ratio: COMPRESS_RATIO,
toBlob: true,
callback(blob) {
if (blob === false) {
processFile(f);
} else {
blob.name = f.name;
processFile(blob);
}
},
});
} else {
// couldn't process it let other function handle it?
processFile(f);
}
};
reader.readAsDataURL(f);
} else {
processFile(f);
}
});
},
'click .js-computer-upload'(event, templateInstance) {
templateInstance.find('.js-attach-file').click();
event.preventDefault();
},
'click .js-upload-clipboard-image': Popup.open('previewClipboardImage'),
});
const MAX_IMAGE_PIXEL = Meteor.settings.public.MAX_IMAGE_PIXEL;
const COMPRESS_RATIO = Meteor.settings.public.IMAGE_COMPRESS_RATIO;
let pastedResults = null;
const shrinkImage = function(options) {
// shrink image to certain size
const dataurl = options.dataurl,
callback = options.callback,
toBlob = options.toBlob;
let canvas = document.createElement('canvas'),
image = document.createElement('img');
const maxSize = options.maxSize || 1024;
const ratio = options.ratio || 1.0;
const next = function(result) {
image = null;
canvas = null;
if (typeof callback === 'function') {
callback(result);
}
};
image.onload = function() {
let width = this.width,
height = this.height;
let changed = false;
if (width > height) {
if (width > maxSize) {
height *= maxSize / width;
width = maxSize;
changed = true;
}
} else if (height > maxSize) {
width *= maxSize / height;
height = maxSize;
changed = true;
}
canvas.width = width;
canvas.height = height;
canvas.getContext('2d').drawImage(this, 0, 0, width, height);
if (changed === true) {
const type = 'image/jpeg';
if (toBlob) {
canvas.toBlob(next, type, ratio);
} else {
next(canvas.toDataURL(type, ratio));
}
} else {
next(changed);
}
};
image.onerror = function() {
next(false);
};
image.src = dataurl;
};
Template.previewClipboardImagePopup.onRendered(() => {
// we can paste image from clipboard
const handle = results => {
if (results.dataURL.startsWith('data:image/')) {
const direct = results => {
$('img.preview-clipboard-image').attr('src', results.dataURL);
pastedResults = results;
};
if (MAX_IMAGE_PIXEL) {
// if has size limitation on image we shrink it before uploading
shrinkImage({
dataurl: results.dataURL,
maxSize: MAX_IMAGE_PIXEL,
ratio: COMPRESS_RATIO,
callback(changed) {
if (changed !== false && !!changed) {
results.dataURL = changed;
}
direct(results);
},
});
}
}
};
$(document.body).pasteImageReader(handle);
// we can also drag & drop image file to it
$(document.body).dropImageReader(handle);
});
Template.previewClipboardImagePopup.events({
'click .js-upload-pasted-image'() {
const results = pastedResults;
if (results && results.file) {
window.oPasted = pastedResults;
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;
file.userId = Meteor.userId();
const attachment = Attachments.insert(file);
if (attachment && attachment._id && attachment.isImage()) {
card.setCover(attachment._id);
}
pastedResults = null;
$(document.body).pasteImageReader(() => {});
Popup.close();
}
},
});
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