nextcloud/core/js/oc-dialogs.js

838 lines
25 KiB
JavaScript

/**
* ownCloud
*
* @author Bartek Przybylski, Christopher Schäpers, Thomas Tanghus
* @copyright 2012 Bartek Przybylski bartek@alefzero.eu
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* global alert */
/**
* this class to ease the usage of jquery dialogs
* @lends OC.dialogs
*/
var OCdialogs = {
// dialog button types
YES_NO_BUTTONS: 70,
OK_BUTTONS: 71,
// used to name each dialog
dialogsCounter: 0,
/**
* displays alert dialog
* @param text content of dialog
* @param title dialog title
* @param callback which will be triggered when user presses OK
* @param modal make the dialog modal
*/
alert:function(text, title, callback, modal) {
this.message(
text,
title,
'alert',
OCdialogs.OK_BUTTON,
callback,
modal
);
},
/**
* displays info dialog
* @param text content of dialog
* @param title dialog title
* @param callback which will be triggered when user presses OK
* @param modal make the dialog modal
*/
info:function(text, title, callback, modal) {
this.message(text, title, 'info', OCdialogs.OK_BUTTON, callback, modal);
},
/**
* displays confirmation dialog
* @param text content of dialog
* @param title dialog title
* @param callback which will be triggered when user presses YES or NO
* (true or false would be passed to callback respectively)
* @param modal make the dialog modal
*/
confirm:function(text, title, callback, modal) {
return this.message(
text,
title,
'notice',
OCdialogs.YES_NO_BUTTONS,
callback,
modal
);
},
/**
* displays prompt dialog
* @param text content of dialog
* @param title dialog title
* @param callback which will be triggered when user presses YES or NO
* (true or false would be passed to callback respectively)
* @param modal make the dialog modal
* @param name name of the input field
* @param password whether the input should be a password input
*/
prompt: function (text, title, callback, modal, name, password) {
return $.when(this._getMessageTemplate()).then(function ($tmpl) {
var dialogName = 'oc-dialog-' + OCdialogs.dialogsCounter + '-content';
var dialogId = '#' + dialogName;
var $dlg = $tmpl.octemplate({
dialog_name: dialogName,
title : title,
message : text,
type : 'notice'
});
var input = $('<input/>');
input.attr('type', password ? 'password' : 'text').attr('id', dialogName + '-input');
var label = $('<label/>').attr('for', dialogName + '-input').text(name + ': ');
$dlg.append(label);
$dlg.append(input);
if (modal === undefined) {
modal = false;
}
$('body').append($dlg);
var buttonlist = [{
text : t('core', 'No'),
click: function () {
if (callback !== undefined) {
callback(false, input.val());
}
$(dialogId).ocdialog('close');
}
}, {
text : t('core', 'Yes'),
click : function () {
if (callback !== undefined) {
callback(true, input.val());
}
$(dialogId).ocdialog('close');
},
defaultButton: true
}
];
$(dialogId).ocdialog({
closeOnEscape: true,
modal : modal,
buttons : buttonlist
});
OCdialogs.dialogsCounter++;
});
},
/**
* show a file picker to pick a file from
* @param title dialog title
* @param callback which will be triggered when user presses Choose
* @param multiselect whether it should be possible to select multiple files
* @param mimetypeFilter mimetype to filter by - directories will always be included
* @param modal make the dialog modal
*/
filepicker:function(title, callback, multiselect, mimetypeFilter, modal) {
var self = this;
// avoid opening the picker twice
if (this.filepicker.loading) {
return;
}
this.filepicker.loading = true;
$.when(this._getFilePickerTemplate()).then(function($tmpl) {
self.filepicker.loading = false;
var dialogName = 'oc-dialog-filepicker-content';
if(self.$filePicker) {
self.$filePicker.ocdialog('close');
}
self.$filePicker = $tmpl.octemplate({
dialog_name: dialogName,
title: title
}).data('path', '').data('multiselect', multiselect).data('mimetype', mimetypeFilter);
if (modal === undefined) {
modal = false;
}
if (multiselect === undefined) {
multiselect = false;
}
if (mimetypeFilter === undefined) {
mimetypeFilter = '';
}
$('body').append(self.$filePicker);
self.$filePicker.ready(function() {
self.$filelist = self.$filePicker.find('.filelist');
self.$dirTree = self.$filePicker.find('.dirtree');
self.$dirTree.on('click', 'div:not(:last-child)', self, self._handleTreeListSelect.bind(self));
self.$filelist.on('click', 'li', function(event) {
self._handlePickerClick(event, $(this));
});
self._fillFilePicker('');
});
// build buttons
var functionToCall = function() {
if (callback !== undefined) {
var datapath;
if (multiselect === true) {
datapath = [];
self.$filelist.find('.filepicker_element_selected .filename').each(function(index, element) {
datapath.push(self.$filePicker.data('path') + '/' + $(element).text());
});
} else {
datapath = self.$filePicker.data('path');
datapath += '/' + self.$filelist.find('.filepicker_element_selected .filename').text();
}
callback(datapath);
self.$filePicker.ocdialog('close');
}
};
var buttonlist = [{
text: t('core', 'Choose'),
click: functionToCall,
defaultButton: true
}];
self.$filePicker.ocdialog({
closeOnEscape: true,
// max-width of 600
width: Math.min((4/5)*$(document).width(), 600),
height: 420,
modal: modal,
buttons: buttonlist,
close: function() {
try {
$(this).ocdialog('destroy').remove();
} catch(e) {}
self.$filePicker = null;
}
});
if (!OC.Util.hasSVGSupport()) {
OC.Util.replaceSVG(self.$filePicker.parent());
}
})
.fail(function(status, error) {
// If the method is called while navigating away
// from the page, it is probably not needed ;)
self.filepicker.loading = false;
if(status !== 0) {
alert(t('core', 'Error loading file picker template: {error}', {error: error}));
}
});
},
/**
* Displays raw dialog
* You better use a wrapper instead ...
*/
message:function(content, title, dialogType, buttons, callback, modal) {
return $.when(this._getMessageTemplate()).then(function($tmpl) {
var dialogName = 'oc-dialog-' + OCdialogs.dialogsCounter + '-content';
var dialogId = '#' + dialogName;
var $dlg = $tmpl.octemplate({
dialog_name: dialogName,
title: title,
message: content,
type: dialogType
});
if (modal === undefined) {
modal = false;
}
$('body').append($dlg);
var buttonlist = [];
switch (buttons) {
case OCdialogs.YES_NO_BUTTONS:
buttonlist = [{
text: t('core', 'No'),
click: function(){
if (callback !== undefined) {
callback(false);
}
$(dialogId).ocdialog('close');
}
},
{
text: t('core', 'Yes'),
click: function(){
if (callback !== undefined) {
callback(true);
}
$(dialogId).ocdialog('close');
},
defaultButton: true
}];
break;
case OCdialogs.OK_BUTTON:
var functionToCall = function() {
$(dialogId).ocdialog('close');
if(callback !== undefined) {
callback();
}
};
buttonlist[0] = {
text: t('core', 'Ok'),
click: functionToCall,
defaultButton: true
};
break;
}
$(dialogId).ocdialog({
closeOnEscape: true,
modal: modal,
buttons: buttonlist
});
OCdialogs.dialogsCounter++;
})
.fail(function(status, error) {
// If the method is called while navigating away from
// the page, we still want to deliver the message.
if(status === 0) {
alert(title + ': ' + content);
} else {
alert(t('core', 'Error loading message template: {error}', {error: error}));
}
});
},
_fileexistsshown: false,
/**
* Displays file exists dialog
* @param {object} data upload object
* @param {object} original file with name, size and mtime
* @param {object} replacement file with name, size and mtime
* @param {object} controller with onCancel, onSkip, onReplace and onRename methods
* @return {Promise} jquery promise that resolves after the dialog template was loaded
*/
fileexists:function(data, original, replacement, controller) {
var self = this;
var dialogDeferred = new $.Deferred();
var getCroppedPreview = function(file) {
var deferred = new $.Deferred();
// Only process image files.
var type = file.type && file.type.split('/').shift();
if (window.FileReader && type === 'image') {
var reader = new FileReader();
reader.onload = function (e) {
var blob = new Blob([e.target.result]);
window.URL = window.URL || window.webkitURL;
var originalUrl = window.URL.createObjectURL(blob);
var image = new Image();
image.src = originalUrl;
image.onload = function () {
var url = crop(image);
deferred.resolve(url);
};
};
reader.readAsArrayBuffer(file);
} else {
deferred.reject();
}
return deferred;
};
var crop = function(img) {
var canvas = document.createElement('canvas'),
targetSize = 96,
width = img.width,
height = img.height,
x, y, size;
// Calculate the width and height, constraining the proportions
if (width > height) {
y = 0;
x = (width - height) / 2;
} else {
y = (height - width) / 2;
x = 0;
}
size = Math.min(width, height);
// Set canvas size to the cropped area
canvas.width = size;
canvas.height = size;
var ctx = canvas.getContext("2d");
ctx.drawImage(img, x, y, size, size, 0, 0, size, size);
// Resize the canvas to match the destination (right size uses 96px)
resampleHermite(canvas, size, size, targetSize, targetSize);
return canvas.toDataURL("image/png", 0.7);
};
/**
* Fast image resize/resample using Hermite filter with JavaScript.
*
* @author: ViliusL
*
* @param {*} canvas
* @param {number} W
* @param {number} H
* @param {number} W2
* @param {number} H2
*/
var resampleHermite = function (canvas, W, H, W2, H2) {
W2 = Math.round(W2);
H2 = Math.round(H2);
var img = canvas.getContext("2d").getImageData(0, 0, W, H);
var img2 = canvas.getContext("2d").getImageData(0, 0, W2, H2);
var data = img.data;
var data2 = img2.data;
var ratio_w = W / W2;
var ratio_h = H / H2;
var ratio_w_half = Math.ceil(ratio_w / 2);
var ratio_h_half = Math.ceil(ratio_h / 2);
for (var j = 0; j < H2; j++) {
for (var i = 0; i < W2; i++) {
var x2 = (i + j * W2) * 4;
var weight = 0;
var weights = 0;
var weights_alpha = 0;
var gx_r = 0;
var gx_g = 0;
var gx_b = 0;
var gx_a = 0;
var center_y = (j + 0.5) * ratio_h;
for (var yy = Math.floor(j * ratio_h); yy < (j + 1) * ratio_h; yy++) {
var dy = Math.abs(center_y - (yy + 0.5)) / ratio_h_half;
var center_x = (i + 0.5) * ratio_w;
var w0 = dy * dy; //pre-calc part of w
for (var xx = Math.floor(i * ratio_w); xx < (i + 1) * ratio_w; xx++) {
var dx = Math.abs(center_x - (xx + 0.5)) / ratio_w_half;
var w = Math.sqrt(w0 + dx * dx);
if (w >= -1 && w <= 1) {
//hermite filter
weight = 2 * w * w * w - 3 * w * w + 1;
if (weight > 0) {
dx = 4 * (xx + yy * W);
//alpha
gx_a += weight * data[dx + 3];
weights_alpha += weight;
//colors
if (data[dx + 3] < 255)
weight = weight * data[dx + 3] / 250;
gx_r += weight * data[dx];
gx_g += weight * data[dx + 1];
gx_b += weight * data[dx + 2];
weights += weight;
}
}
}
}
data2[x2] = gx_r / weights;
data2[x2 + 1] = gx_g / weights;
data2[x2 + 2] = gx_b / weights;
data2[x2 + 3] = gx_a / weights_alpha;
}
}
canvas.getContext("2d").clearRect(0, 0, Math.max(W, W2), Math.max(H, H2));
canvas.width = W2;
canvas.height = H2;
canvas.getContext("2d").putImageData(img2, 0, 0);
};
var addConflict = function($conflicts, original, replacement) {
var $conflict = $conflicts.find('.template').clone().removeClass('template').addClass('conflict');
var $originalDiv = $conflict.find('.original');
var $replacementDiv = $conflict.find('.replacement');
$conflict.data('data',data);
$conflict.find('.filename').text(original.name);
$originalDiv.find('.size').text(humanFileSize(original.size));
$originalDiv.find('.mtime').text(formatDate(original.mtime));
// ie sucks
if (replacement.size && replacement.lastModifiedDate) {
$replacementDiv.find('.size').text(humanFileSize(replacement.size));
$replacementDiv.find('.mtime').text(formatDate(replacement.lastModifiedDate));
}
var path = original.directory + '/' +original.name;
var urlSpec = {
file: path,
x: 96,
y: 96,
c: original.etag,
forceIcon: 0
};
var previewpath = Files.generatePreviewUrl(urlSpec);
// Escaping single quotes
previewpath = previewpath.replace(/'/g, "%27");
$originalDiv.find('.icon').css({"background-image": "url('" + previewpath + "')"});
getCroppedPreview(replacement).then(
function(path){
$replacementDiv.find('.icon').css('background-image','url(' + path + ')');
}, function(){
path = OC.MimeType.getIconUrl(replacement.type);
$replacementDiv.find('.icon').css('background-image','url(' + path + ')');
}
);
// connect checkboxes with labels
var checkboxId = $conflicts.find('.conflict').length;
$originalDiv.find('input:checkbox').attr('id', 'checkbox_original_'+checkboxId);
$replacementDiv.find('input:checkbox').attr('id', 'checkbox_replacement_'+checkboxId);
$conflicts.append($conflict);
//set more recent mtime bold
// ie sucks
if (replacement.lastModifiedDate && replacement.lastModifiedDate.getTime() > original.mtime) {
$replacementDiv.find('.mtime').css('font-weight', 'bold');
} else if (replacement.lastModifiedDate && replacement.lastModifiedDate.getTime() < original.mtime) {
$originalDiv.find('.mtime').css('font-weight', 'bold');
} else {
//TODO add to same mtime collection?
}
// set bigger size bold
if (replacement.size && replacement.size > original.size) {
$replacementDiv.find('.size').css('font-weight', 'bold');
} else if (replacement.size && replacement.size < original.size) {
$originalDiv.find('.size').css('font-weight', 'bold');
} else {
//TODO add to same size collection?
}
//TODO show skip action for files with same size and mtime in bottom row
// always keep readonly files
if (original.status === 'readonly') {
$originalDiv
.addClass('readonly')
.find('input[type="checkbox"]')
.prop('checked', true)
.prop('disabled', true);
$originalDiv.find('.message')
.text(t('core','read-only'))
}
};
//var selection = controller.getSelection(data.originalFiles);
//if (selection.defaultAction) {
// controller[selection.defaultAction](data);
//} else {
var dialogName = 'oc-dialog-fileexists-content';
var dialogId = '#' + dialogName;
if (this._fileexistsshown) {
// add conflict
var $conflicts = $(dialogId+ ' .conflicts');
addConflict($conflicts, original, replacement);
var count = $(dialogId+ ' .conflict').length;
var title = n('core',
'{count} file conflict',
'{count} file conflicts',
count,
{count:count}
);
$(dialogId).parent().children('.oc-dialog-title').text(title);
//recalculate dimensions
$(window).trigger('resize');
dialogDeferred.resolve();
} else {
//create dialog
this._fileexistsshown = true;
$.when(this._getFileExistsTemplate()).then(function($tmpl) {
var title = t('core','One file conflict');
var $dlg = $tmpl.octemplate({
dialog_name: dialogName,
title: title,
type: 'fileexists',
allnewfiles: t('core','New Files'),
allexistingfiles: t('core','Already existing files'),
why: t('core','Which files do you want to keep?'),
what: t('core','If you select both versions, the copied file will have a number added to its name.')
});
$('body').append($dlg);
if (original && replacement) {
var $conflicts = $dlg.find('.conflicts');
addConflict($conflicts, original, replacement);
}
var buttonlist = [{
text: t('core', 'Cancel'),
classes: 'cancel',
click: function(){
if ( typeof controller.onCancel !== 'undefined') {
controller.onCancel(data);
}
$(dialogId).ocdialog('close');
}
},
{
text: t('core', 'Continue'),
classes: 'continue',
click: function(){
if ( typeof controller.onContinue !== 'undefined') {
controller.onContinue($(dialogId + ' .conflict'));
}
$(dialogId).ocdialog('close');
}
}];
$(dialogId).ocdialog({
width: 500,
closeOnEscape: true,
modal: true,
buttons: buttonlist,
closeButton: null,
close: function() {
self._fileexistsshown = false;
$(this).ocdialog('destroy').remove();
}
});
$(dialogId).css('height','auto');
var $primaryButton = $dlg.closest('.oc-dialog').find('button.continue');
$primaryButton.prop('disabled', true);
function updatePrimaryButton() {
var checkedCount = $dlg.find('.conflicts .checkbox:checked').length;
$primaryButton.prop('disabled', checkedCount === 0);
}
//add checkbox toggling actions
$(dialogId).find('.allnewfiles').on('click', function() {
var $checkboxes = $(dialogId).find('.conflict .replacement input[type="checkbox"]');
$checkboxes.prop('checked', $(this).prop('checked'));
});
$(dialogId).find('.allexistingfiles').on('click', function() {
var $checkboxes = $(dialogId).find('.conflict .original:not(.readonly) input[type="checkbox"]');
$checkboxes.prop('checked', $(this).prop('checked'));
});
$(dialogId).find('.conflicts').on('click', '.replacement,.original:not(.readonly)', function() {
var $checkbox = $(this).find('input[type="checkbox"]');
$checkbox.prop('checked', !$checkbox.prop('checked'));
});
$(dialogId).find('.conflicts').on('click', '.replacement input[type="checkbox"],.original:not(.readonly) input[type="checkbox"]', function() {
var $checkbox = $(this);
$checkbox.prop('checked', !$checkbox.prop('checked'));
});
//update counters
$(dialogId).on('click', '.replacement,.allnewfiles', function() {
var count = $(dialogId).find('.conflict .replacement input[type="checkbox"]:checked').length;
if (count === $(dialogId+ ' .conflict').length) {
$(dialogId).find('.allnewfiles').prop('checked', true);
$(dialogId).find('.allnewfiles + .count').text(t('core','(all selected)'));
} else if (count > 0) {
$(dialogId).find('.allnewfiles').prop('checked', false);
$(dialogId).find('.allnewfiles + .count').text(t('core','({count} selected)',{count:count}));
} else {
$(dialogId).find('.allnewfiles').prop('checked', false);
$(dialogId).find('.allnewfiles + .count').text('');
}
updatePrimaryButton();
});
$(dialogId).on('click', '.original,.allexistingfiles', function(){
var count = $(dialogId).find('.conflict .original input[type="checkbox"]:checked').length;
if (count === $(dialogId+ ' .conflict').length) {
$(dialogId).find('.allexistingfiles').prop('checked', true);
$(dialogId).find('.allexistingfiles + .count').text(t('core','(all selected)'));
} else if (count > 0) {
$(dialogId).find('.allexistingfiles').prop('checked', false);
$(dialogId).find('.allexistingfiles + .count')
.text(t('core','({count} selected)',{count:count}));
} else {
$(dialogId).find('.allexistingfiles').prop('checked', false);
$(dialogId).find('.allexistingfiles + .count').text('');
}
updatePrimaryButton();
});
dialogDeferred.resolve();
})
.fail(function() {
dialogDeferred.reject();
alert(t('core', 'Error loading file exists template'));
});
}
//}
return dialogDeferred.promise();
},
_getFilePickerTemplate: function() {
var defer = $.Deferred();
if(!this.$filePickerTemplate) {
var self = this;
$.get(OC.filePath('core', 'templates', 'filepicker.html'), function(tmpl) {
self.$filePickerTemplate = $(tmpl);
self.$listTmpl = self.$filePickerTemplate.find('.filelist li:first-child').detach();
defer.resolve(self.$filePickerTemplate);
})
.fail(function(jqXHR, textStatus, errorThrown) {
defer.reject(jqXHR.status, errorThrown);
});
} else {
defer.resolve(this.$filePickerTemplate);
}
return defer.promise();
},
_getMessageTemplate: function() {
var defer = $.Deferred();
if(!this.$messageTemplate) {
var self = this;
$.get(OC.filePath('core', 'templates', 'message.html'), function(tmpl) {
self.$messageTemplate = $(tmpl);
defer.resolve(self.$messageTemplate);
})
.fail(function(jqXHR, textStatus, errorThrown) {
defer.reject(jqXHR.status, errorThrown);
});
} else {
defer.resolve(this.$messageTemplate);
}
return defer.promise();
},
_getFileExistsTemplate: function () {
var defer = $.Deferred();
if (!this.$fileexistsTemplate) {
var self = this;
$.get(OC.filePath('files', 'templates', 'fileexists.html'), function (tmpl) {
self.$fileexistsTemplate = $(tmpl);
defer.resolve(self.$fileexistsTemplate);
})
.fail(function () {
defer.reject();
});
} else {
defer.resolve(this.$fileexistsTemplate);
}
return defer.promise();
},
_getFileList: function(dir, mimeType) {
if (typeof(mimeType) === "string") {
mimeType = [mimeType];
}
return $.getJSON(
OC.filePath('files', 'ajax', 'list.php'),
{
dir: dir,
mimetypes: JSON.stringify(mimeType)
}
);
},
/**
* fills the filepicker with files
*/
_fillFilePicker:function(dir) {
var dirs = [];
var others = [];
var self = this;
this.$filelist.empty().addClass('icon-loading');
this.$filePicker.data('path', dir);
$.when(this._getFileList(dir, this.$filePicker.data('mimetype'))).then(function(response) {
$.each(response.data.files, function(index, file) {
if (file.type === 'dir') {
dirs.push(file);
} else {
others.push(file);
}
});
self._fillSlug();
var sorted = dirs.concat(others);
$.each(sorted, function(idx, entry) {
entry.icon = OC.MimeType.getIconUrl(entry.mimetype);
var $li = self.$listTmpl.octemplate({
type: entry.type,
dir: dir,
filename: entry.name,
date: OC.Util.relativeModifiedDate(entry.mtime)
});
if (entry.type === 'file') {
var urlSpec = {
file: dir + '/' + entry.name,
};
$li.find('img').attr('src', OC.MimeType.getIconUrl(entry.mimetype));
var img = new Image();
var previewUrl = OC.generateUrl('/core/preview.png?') + $.param(urlSpec);
img.onload = function() {
if (img.width > 5) {
$li.find('img').attr('src', previewUrl);
}
};
img.src = previewUrl;
}
else {
$li.find('img').attr('src', OC.Util.replaceSVGIcon(entry.icon));
}
self.$filelist.append($li);
});
self.$filelist.removeClass('icon-loading');
if (!OC.Util.hasSVGSupport()) {
OC.Util.replaceSVG(self.$filePicker.find('.dirtree'));
}
});
},
/**
* fills the tree list with directories
*/
_fillSlug: function() {
this.$dirTree.empty();
var self = this;
var dir;
var path = this.$filePicker.data('path');
var $template = $('<div data-dir="{dir}"><a>{name}</a></div>').addClass('crumb');
if(path) {
var paths = path.split('/');
$.each(paths, function(index, dir) {
dir = paths.pop();
if(dir === '') {
return false;
}
self.$dirTree.prepend($template.octemplate({
dir: paths.join('/') + '/' + dir,
name: dir
}));
});
}
$template.octemplate({
dir: '',
name: '' // Ugly but works ;)
}, {escapeFunction: null}).prependTo(this.$dirTree);
},
/**
* handle selection made in the tree list
*/
_handleTreeListSelect:function(event) {
var self = event.data;
var dir = $(event.target).parent().data('dir');
self._fillFilePicker(dir);
},
/**
* handle clicks made in the filepicker
*/
_handlePickerClick:function(event, $element) {
if ($element.data('type') === 'file') {
if (this.$filePicker.data('multiselect') !== true || !event.ctrlKey) {
this.$filelist.find('.filepicker_element_selected').removeClass('filepicker_element_selected');
}
$element.toggleClass('filepicker_element_selected');
} else if ( $element.data('type') === 'dir' ) {
this._fillFilePicker(this.$filePicker.data('path') + '/' + $element.data('entryname'));
}
}
};