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176 lines
4.6 KiB
176 lines
4.6 KiB
/**********************************************************************************
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*
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* Copyright (c) 2017-2019 MuK IT GmbH.
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*
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* This file is part of MuK Web Utils
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* (see https://mukit.at).
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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**********************************************************************************/
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odoo.define('muk_web_utils.files', function (require) {
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"use strict";
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var core = require('web.core');
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var QWeb = core.qweb;
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var _t = core._t;
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var traverseItems = function(items, tree) {
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var def = $.Deferred();
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var files = [];
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var defs = [];
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_.each(items, function(item, index) {
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var entry = item.webkitGetAsEntry();
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if(entry) {
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var traverse = $.Deferred();
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traverseEntry(entry, tree).then(function(result) {
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if(tree) {
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files = files.concat(result);
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} else {
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files = _.union(files, result);
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}
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traverse.resolve();
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});
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defs.push(traverse);
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} else {
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var file = item.getAsFile();
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if(file) {
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if(file.size) {
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files.push(_.extend({}, file, {isFileItem: true}));
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}
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} else {
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console.warn("Your browser doesn't support Drag and Drop!");
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}
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}
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});
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$.when.apply($, defs).then(function () {
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def.resolve(files);
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});
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return def;
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};
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var traverseEntries = function(entries, tree) {
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var def = $.Deferred();
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var files = [];
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var defs = [];
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_.each(entries, function(entry, index) {
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var traverse = $.Deferred();
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traverseEntry(entry, tree).then(function(result) {
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if(tree) {
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files = files.concat(result);
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} else {
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files = _.union(files, result);
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}
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traverse.resolve();
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});
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defs.push(traverse);
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});
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$.when.apply($, defs).then(function () {
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def.resolve(files);
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});
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return def;
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}
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var traverseEntry = function(entry, tree) {
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var def = $.Deferred();
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if(entry.isFile) {
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def.resolve([entry]);
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} else if(entry.isDirectory) {
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entry.createReader().readEntries(function (entries) {
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traverseEntries(entries, tree).then(function (files) {
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if(tree) {
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def.resolve([{
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name: entry.name,
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files: files,
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isFile: false,
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isDirectory: true,
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childCount: files.length,
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fullPath: entry.fullPath,
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fileCount: _.reduce(files, function(sum, item) {
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return item.isFile ? sum + 1 : sum + item.fileCount || 0;
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}, 0),
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}]);
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} else {
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def.resolve(files);
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}
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});
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});
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} else {
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def.resolve([]);
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}
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return def;
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};
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var getFileTree = function(items, count) {
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var traverse = traverseItems(items, true);
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if(count) {
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var def = $.Deferred();
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traverse.then(function(files) {
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def.resolve({
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files: files,
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count: _.reduce(files, function(sum, item) {
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return item.isFile ? sum + 1 : sum + item.fileCount || 0;
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}, 0),
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});
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});
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return def;
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}
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return traverse;
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};
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var getFileList = function(items, count) {
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var traverse = traverseItems(items, false);
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if(count) {
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var def = $.Deferred();
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traverse.then(function(files) {
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def.resolve({
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files: files,
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count: files.length,
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});
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});
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return def;
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}
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return traverse;
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};
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var loadFile = function(file, callback) {
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var fileReader = new FileReader();
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fileReader.readAsDataURL(file);
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fileReader.onloadend = callback;
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};
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var readFile = function(file, callback) {
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if(file.isFile) {
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file.file(function(file) {
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loadFile(file, callback);
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});
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} else {
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loadFile(file, callback);
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}
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};
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return {
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traverseItems: traverseItems,
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traverseEntries: traverseEntries,
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traverseEntry: traverseEntry,
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getFileTree: getFileTree,
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getFileList: getFileList,
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loadFile: loadFile,
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readFile: readFile,
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};
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});
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