190 lines
3.6 KiB
JavaScript
190 lines
3.6 KiB
JavaScript
/**
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* @class elFinder command "undo"
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* Undo previous commands
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*
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* @author Naoki Sawada
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**/
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elFinder.prototype.commands.undo = function() {
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"use strict";
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var self = this,
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fm = this.fm,
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setTitle = function(undo) {
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if (undo) {
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self.title = fm.i18n('cmdundo') + ' ' + fm.i18n('cmd'+undo.cmd);
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self.state = 0;
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} else {
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self.title = fm.i18n('cmdundo');
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self.state = -1;
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}
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self.change();
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},
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cmds = [];
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this.alwaysEnabled = true;
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this.updateOnSelect = false;
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this.shortcuts = [{
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pattern : 'ctrl+z'
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}];
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this.syncTitleOnChange = true;
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this.getstate = function() {
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return cmds.length? 0 : -1;
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};
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this.setUndo = function(undo, redo) {
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var _undo = {};
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if (undo) {
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if (jQuery.isPlainObject(undo) && undo.cmd && undo.callback) {
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Object.assign(_undo, undo);
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if (redo) {
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delete redo.undo;
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_undo.redo = redo;
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} else {
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fm.getCommand('redo').setRedo(null);
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}
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cmds.push(_undo);
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setTitle(_undo);
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}
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}
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};
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this.exec = function() {
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var redo = fm.getCommand('redo'),
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dfd = jQuery.Deferred(),
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undo, res, _redo = {};
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if (cmds.length) {
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undo = cmds.pop();
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if (undo.redo) {
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Object.assign(_redo, undo.redo);
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delete undo.redo;
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} else {
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_redo = null;
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}
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dfd.done(function() {
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if (_redo) {
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redo.setRedo(_redo, undo);
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}
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});
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setTitle(cmds.length? cmds[cmds.length-1] : void(0));
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res = undo.callback();
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if (res && res.done) {
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res.done(function() {
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dfd.resolve();
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}).fail(function() {
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dfd.reject();
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});
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} else {
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dfd.resolve();
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}
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if (cmds.length) {
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this.update(0, cmds[cmds.length - 1].name);
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} else {
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this.update(-1, '');
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}
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} else {
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dfd.reject();
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}
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return dfd;
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};
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fm.bind('exec', function(e) {
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var data = e.data || {};
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if (data.opts && data.opts._userAction) {
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if (data.dfrd && data.dfrd.done) {
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data.dfrd.done(function(res) {
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if (res && res.undo && res.redo) {
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res.undo.redo = res.redo;
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self.setUndo(res.undo);
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}
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});
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}
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}
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});
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};
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/**
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* @class elFinder command "redo"
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* Redo previous commands
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*
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* @author Naoki Sawada
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**/
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elFinder.prototype.commands.redo = function() {
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"use strict";
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var self = this,
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fm = this.fm,
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setTitle = function(redo) {
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if (redo && redo.callback) {
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self.title = fm.i18n('cmdredo') + ' ' + fm.i18n('cmd'+redo.cmd);
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self.state = 0;
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} else {
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self.title = fm.i18n('cmdredo');
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self.state = -1;
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}
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self.change();
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},
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cmds = [];
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this.alwaysEnabled = true;
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this.updateOnSelect = false;
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this.shortcuts = [{
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pattern : 'shift+ctrl+z ctrl+y'
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}];
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this.syncTitleOnChange = true;
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this.getstate = function() {
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return cmds.length? 0 : -1;
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};
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this.setRedo = function(redo, undo) {
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if (redo === null) {
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cmds = [];
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setTitle();
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} else {
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if (redo && redo.cmd && redo.callback) {
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if (undo) {
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redo.undo = undo;
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}
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cmds.push(redo);
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setTitle(redo);
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}
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}
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};
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this.exec = function() {
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var undo = fm.getCommand('undo'),
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dfd = jQuery.Deferred(),
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redo, res, _undo = {}, _redo = {};
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if (cmds.length) {
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redo = cmds.pop();
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if (redo.undo) {
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Object.assign(_undo, redo.undo);
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Object.assign(_redo, redo);
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delete _redo.undo;
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dfd.done(function() {
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undo.setUndo(_undo, _redo);
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});
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}
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setTitle(cmds.length? cmds[cmds.length-1] : void(0));
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res = redo.callback();
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if (res && res.done) {
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res.done(function() {
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dfd.resolve();
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}).fail(function() {
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dfd.reject();
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});
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} else {
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dfd.resolve();
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}
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return dfd;
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} else {
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return dfd.reject();
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}
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};
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};
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