nextcloud/apps/files/js/mainfileinfodetailview.js

225 lines
6.6 KiB
JavaScript

/*
* Copyright (c) 2015
*
* This file is licensed under the Affero General Public License version 3
* or later.
*
* See the COPYING-README file.
*
*/
(function() {
var TEMPLATE =
'<div class="thumbnailContainer"><a href="#" class="thumbnail action-default"><div class="stretcher"/></a></div>' +
'<div class="file-details-container">' +
'<div class="fileName"><h3 title="{{name}}" class="ellipsis">{{name}}</h3></div>' +
' <div class="file-details ellipsis">' +
' <a href="#" ' +
' class="action action-favorite favorite">' +
' <img class="svg" alt="{{starAltText}}" src="{{starIcon}}" />' +
' </a>' +
' {{#if hasSize}}<span class="size" title="{{altSize}}">{{size}}</span>, {{/if}}<span class="date" title="{{altDate}}">{{date}}</span>' +
' </div>' +
'</div>';
/**
* @class OCA.Files.MainFileInfoDetailView
* @classdesc
*
* Displays main details about a file
*
*/
var MainFileInfoDetailView = OCA.Files.DetailFileInfoView.extend(
/** @lends OCA.Files.MainFileInfoDetailView.prototype */ {
className: 'mainFileInfoView',
/**
* Associated file list instance, for file actions
*
* @type {OCA.Files.FileList}
*/
_fileList: null,
/**
* File actions
*
* @type {OCA.Files.FileActions}
*/
_fileActions: null,
events: {
'click a.action-favorite': '_onClickFavorite',
'click a.action-default': '_onClickDefaultAction'
},
template: function(data) {
if (!this._template) {
this._template = Handlebars.compile(TEMPLATE);
}
return this._template(data);
},
initialize: function(options) {
options = options || {};
this._fileList = options.fileList;
this._fileActions = options.fileActions;
if (!this._fileList) {
throw 'Missing required parameter "fileList"';
}
if (!this._fileActions) {
throw 'Missing required parameter "fileActions"';
}
},
_onClickFavorite: function(event) {
event.preventDefault();
this._fileActions.triggerAction('Favorite', this.model, this._fileList);
},
_onClickDefaultAction: function(event) {
event.preventDefault();
this._fileActions.triggerAction(null, this.model, this._fileList);
},
_onModelChanged: function() {
// simply re-render
this.render();
},
setFileInfo: function(fileInfo) {
if (this.model) {
this.model.off('change', this._onModelChanged, this);
}
this.model = fileInfo;
if (this.model) {
this.model.on('change', this._onModelChanged, this);
}
this.render();
},
/**
* Renders this details view
*/
render: function() {
if (this.model) {
var isFavorite = (this.model.get('tags') || []).indexOf(OC.TAG_FAVORITE) >= 0;
this.$el.html(this.template({
type: this.model.isImage()? 'image': '',
nameLabel: t('files', 'Name'),
name: this.model.get('displayName') || this.model.get('name'),
pathLabel: t('files', 'Path'),
path: this.model.get('path'),
hasSize: this.model.has('size'),
sizeLabel: t('files', 'Size'),
size: OC.Util.humanFileSize(this.model.get('size'), true),
altSize: n('files', '%n byte', '%n bytes', this.model.get('size')),
dateLabel: t('files', 'Modified'),
altDate: OC.Util.formatDate(this.model.get('mtime')),
date: OC.Util.relativeModifiedDate(this.model.get('mtime')),
starAltText: isFavorite ? t('files', 'Favorited') : t('files', 'Favorite'),
starIcon: OC.imagePath('core', isFavorite ? 'actions/starred' : 'actions/star')
}));
// TODO: we really need OC.Previews
var $iconDiv = this.$el.find('.thumbnail');
var $container = this.$el.find('.thumbnailContainer');
if (!this.model.isDirectory()) {
$iconDiv.addClass('icon-loading icon-32');
this.loadPreview(this.model.getFullPath(), this.model.get('mimetype'), this.model.get('etag'), $iconDiv, $container, this.model.isImage());
} else {
var iconUrl = this.model.get('icon') || OC.MimeType.getIconUrl('dir');
$iconDiv.css('background-image', 'url("' + iconUrl + '")');
OC.Util.scaleFixForIE8($iconDiv);
}
this.$el.find('[title]').tooltip({placement: 'bottom'});
} else {
this.$el.empty();
}
this.delegateEvents();
},
loadPreview: function(path, mime, etag, $iconDiv, $container, isImage) {
var maxImageWidth = $container.parent().width() + 50; // 50px for negative margins
var maxImageHeight = maxImageWidth / (16/9);
var smallPreviewSize = 75;
var isLandscape = function(img) {
return img.width > (img.height * 1.2);
};
var isSmall = function(img) {
return (img.width * 1.1) < (maxImageWidth * window.devicePixelRatio);
};
var getTargetHeight = function(img) {
if(isImage) {
var targetHeight = img.height / window.devicePixelRatio;
if (targetHeight <= smallPreviewSize) {
targetHeight = smallPreviewSize;
}
return targetHeight;
}else{
return smallPreviewSize;
}
};
var getTargetRatio = function(img){
var ratio = img.width / img.height;
if (ratio > 16/9) {
return ratio;
} else {
return 16/9;
}
};
this._fileList.lazyLoadPreview({
path: path,
mime: mime,
etag: etag,
y: isImage ? maxImageHeight : smallPreviewSize,
x: isImage ? maxImageWidth : smallPreviewSize,
a: isImage ? 1 : null,
mode: isImage ? 'cover' : null,
callback: function (previewUrl, img) {
$iconDiv.previewImg = previewUrl;
// as long as we only have the mimetype icon, we only save it in case there is no preview
if (!img) {
return;
}
$iconDiv.removeClass('icon-loading icon-32');
var targetHeight = getTargetHeight(img);
if (this.model.isImage() && targetHeight > smallPreviewSize) {
$container.addClass((isLandscape(img) && !isSmall(img))? 'landscape': 'portrait');
$container.addClass('image');
}
// only set background when we have an actual preview
// when we don't have a preview we show the mime icon in the error handler
$iconDiv.css({
'background-image': 'url("' + previewUrl + '")',
height: (targetHeight > smallPreviewSize)? 'auto': targetHeight,
'max-height': isSmall(img)? targetHeight: null
});
var targetRatio = getTargetRatio(img);
$iconDiv.find('.stretcher').css({
'padding-bottom': (100 / targetRatio) + '%'
});
}.bind(this),
error: function () {
$iconDiv.removeClass('icon-loading icon-32');
this.$el.find('.thumbnailContainer').removeClass('image'); //fall back to regular view
$iconDiv.css({
'background-image': 'url("' + $iconDiv.previewImg + '")'
});
OC.Util.scaleFixForIE8($iconDiv);
}.bind(this)
});
}
});
OCA.Files.MainFileInfoDetailView = MainFileInfoDetailView;
})();