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Current File : /home/thanudqk/siampokernew.org/wp-content/plugins/wp-file-manager/lib/js/commands/edit.js

/**
 * @class elFinder command "edit".
 * Edit text file in dialog window
 *
 * @author Dmitry (dio) Levashov, dio@std42.ru
 **/
elFinder.prototype.commands.edit = function () {
  "use strict";
  var self = this,
    fm = this.fm,
    clsEditing = fm.res("class", "editing"),
    mimesSingle = [],
    mimes = [],
    allowAll = false,
    rtrim = function (str) {
      return str.replace(/\s+$/, "");
    },
    getEncSelect = function (heads) {
      var sel = jQuery('<select class="ui-corner-all"></select>'),
        hval;
      if (heads) {
        jQuery.each(heads, function (i, head) {
          hval = fm.escape(head.value);
          sel.append(
            '<option value="' +
              hval +
              '">' +
              (head.caption ? fm.escape(head.caption) : hval) +
              "</option>"
          );
        });
      }
      jQuery.each(self.options.encodings, function (i, v) {
        sel.append('<option value="' + v + '">' + v + "</option>");
      });
      return sel;
    },
    getDlgWidth = function () {
      var win = fm.options.dialogContained ? fm.getUI() : jQuery(window),
        m,
        width;
      if (
        typeof self.options.dialogWidth === "string" &&
        (m = self.options.dialogWidth.match(/(\d+)%/))
      ) {
        width = parseInt(win.width() * (m[1] / 100));
      } else {
        width = parseInt(self.options.dialogWidth || 650);
      }
      return Math.min(width, win.width());
    },
    getDlgHeight = function () {
      if (!self.options.dialogHeight) {
        return void 0;
      }
      var win = fm.options.dialogContained ? fm.getUI() : jQuery(window),
        m,
        height;
      if (
        typeof self.options.dialogHeight === "string" &&
        (m = self.options.dialogHeight.match(/(\d+)%/))
      ) {
        height = parseInt(win.height() * (m[1] / 100));
      } else {
        height = parseInt(self.options.dialogHeight || win.height());
      }
      return Math.min(height, win.height());
    },
    /**
     * Return files acceptable to edit
     *
     * @param  Array  files hashes
     * @return Array
     **/
    filter = function (files) {
      var cnt = files.length,
        mime,
        ext,
        skip;

      if (cnt > 1) {
        mime = files[0].mime;
        ext = files[0].name.replace(/^.*(\.[^.]+)$/, "$1");
      }
      return jQuery.grep(files, function (file) {
        var res;
        if (skip || file.mime === "directory") {
          return false;
        }
        res =
          file.read &&
          (allowAll ||
            fm.mimeIsText(file.mime) ||
            jQuery.inArray(file.mime, cnt === 1 ? mimesSingle : mimes) !== -1) &&
          (!self.onlyMimes.length ||
            jQuery.inArray(file.mime, self.onlyMimes) !== -1) &&
          (cnt === 1 ||
            (file.mime === mime &&
              file.name.substr(ext.length * -1) === ext)) &&
          (fm.uploadMimeCheck(file.mime, file.phash) ? true : false) &&
          setEditors(file, cnt) &&
          Object.keys(editors).length;
        if (!res) {
          skip = true;
        }
        return res;
      });
    },
    fileSync = function (hash) {
      var old = fm.file(hash),
        f;
      fm.request({
        cmd: "info",
        targets: [hash],
        preventDefault: true,
      }).done(function (data) {
        var changed;
        if (data && data.files && data.files.length) {
          f = data.files[0];
          if (old.ts != f.ts || old.size != f.size) {
            changed = { changed: [f] };
            fm.updateCache(changed);
            fm.change(changed);
          }
        }
      });
    },
    /**
     * Open dialog with textarea to edit file
     *
     * @param  String  id       dialog id
     * @param  Object  file     file object
     * @param  String  content  file content
     * @return jQuery.Deferred
     **/
    dialog = function (id, file, content, encoding, editor, toasts) {
      var dfrd = jQuery.Deferred(),
        _loaded = false,
        loaded = function () {
          if (!_loaded) {
            fm.toast({
              mode: "warning",
              msg: fm.i18n("nowLoading"),
            });
            return false;
          }
          return true;
        },
        makeToasts = function () {
          // make toast message
          if (toasts && Array.isArray(toasts)) {
            jQuery.each(toasts, function () {
              this.msg && fm.toast(this);
            });
          }
        },
        save = function () {
          var encord = selEncoding ? selEncoding.val() : void 0,
            saveDfd = jQuery.Deferred().fail(function (err) {
              dialogNode
                .show()
                .find("button.elfinder-btncnt-0,button.elfinder-btncnt-1")
                .hide();
            }),
            conf,
            res,
            tm;
          if (!loaded()) {
            return saveDfd.resolve();
          }
          if (ta.editor) {
            ta.editor.save(ta[0], ta.editor.instance);
            conf = ta.editor.confObj;
            if (
              conf.info &&
              (conf.info.schemeContent || conf.info.arrayBufferContent)
            ) {
              encord = "scheme";
            }
          }
          res = getContent();
          setOld(res);
          if (res.promise) {
            tm = setTimeout(function () {
              fm.notify({
                type: "chkcontent",
                cnt: 1,
                hideCnt: true,
                cancel: function () {
                  res.reject();
                },
              });
            }, 100);
            res
              .always(function () {
                tm && clearTimeout(tm);
                fm.notify({ type: "chkcontent", cnt: -1 });
              })
              .done(function (data) {
                dfrd.notifyWith(ta, [encord, ta.data("hash"), old, saveDfd]);
              })
              .fail(function (err) {
                saveDfd.reject(err);
              });
          } else {
            dfrd.notifyWith(ta, [encord, ta.data("hash"), old, saveDfd]);
          }
          return saveDfd;
        },
        saveon = function () {
          if (!loaded()) {
            return;
          }
          save().fail(function (err) {
            err && fm.error(err);
          });
        },
        cancel = function () {
          ta.elfinderdialog("close");
        },
        savecl = function () {
          if (!loaded()) {
            return;
          }
          dialogNode.hide();
          save()
            .done(function () {
              _loaded = false;
              dialogNode.show();
              cancel();
            })
            .fail(function (err) {
              dialogNode.show();
              err && fm.error(err);
            });
        },
        saveAs = function () {
          if (!loaded()) {
            return;
          }
          var prevOld = old,
            phash = file.phash,
            fail = function (err) {
              dialogs.addClass(clsEditing).fadeIn(function () {
                err && fm.error(err);
              });
              old = prevOld;
              fm.disable();
            },
            make = function () {
              self.mime = saveAsFile.mime || file.mime;
              self.prefix = (saveAsFile.name || file.name).replace(
                / \d+(\.[^.]+)?$/,
                "$1"
              );
              self.requestCmd = "mkfile";
              self.nextAction = {};
              self.data = { target: phash };
              jQuery.proxy(fm.res("mixin", "make"), self)()
                .done(function (data) {
                  var oldHash;
                  if (data.added && data.added.length) {
                    oldHash = ta.data("hash");
                    ta.data("hash", data.added[0].hash);
                    save()
                      .done(function () {
                        _loaded = false;
                        dialogNode.show();
                        cancel();
                        dialogs.fadeIn();
                      })
                      .fail(function () {
                        fm.exec("rm", [data.added[0].hash], {
                          forceRm: true,
                          quiet: true,
                        });
                        ta.data("hash", oldHash);
                        dialogNode.find("button.elfinder-btncnt-2").hide();
                        fail();
                      });
                  } else {
                    fail();
                  }
                })
                .progress(function (err) {
                  if (err && err === "errUploadMime") {
                    ta.trigger("saveAsFail");
                  }
                })
                .fail(fail)
                .always(function () {
                  delete self.mime;
                  delete self.prefix;
                  delete self.nextAction;
                  delete self.data;
                });
              fm.trigger("unselectfiles", { files: [file.hash] });
            },
            reqOpen = null,
            reqInfo = null,
            dialogs = fm.getUI().children("." + self.dialogClass + ":visible");
          if (dialogNode.is(":hidden")) {
            dialogs = dialogs.add(dialogNode);
          }
          dialogs.removeClass(clsEditing).fadeOut();

          fm.enable();

          if (fm.searchStatus.state < 2 && phash !== fm.cwd().hash) {
            reqOpen = fm.exec("open", [phash], { thash: phash });
          } else if (!fm.file(phash)) {
            reqInfo = fm.request({ cmd: "info", targets: [phash] });
          }

          jQuery.when([reqOpen, reqInfo])
            .done(function () {
              if (reqInfo) {
                fm.one("infodone", function () {
                  fm.file(phash) ? make() : fail("errFolderNotFound");
                });
              } else {
                reqOpen ? fm.one("cwdrender", make) : make();
              }
            })
            .fail(fail);
        },
        changed = function () {
          var dfd = jQuery.Deferred(),
            res,
            tm;
          if (!_loaded) {
            return dfd.resolve(false);
          }
          ta.editor && ta.editor.save(ta[0], ta.editor.instance);
          res = getContent();
          if (res && res.promise) {
            tm = setTimeout(function () {
              fm.notify({
                type: "chkcontent",
                cnt: 1,
                hideCnt: true,
                cancel: function () {
                  res.reject();
                },
              });
            }, 100);
            res
              .always(function () {
                tm && clearTimeout(tm);
                fm.notify({ type: "chkcontent", cnt: -1 });
              })
              .done(function (d) {
                dfd.resolve(old !== d);
              })
              .fail(function (err) {
                dfd.resolve(err || (old === undefined ? false : true));
              });
          } else {
            dfd.resolve(old !== res);
          }
          return dfd;
        },
        opts = {
          title: fm.escape(file.name),
          width: getDlgWidth(),
          height: getDlgHeight(),
          buttons: {},
          cssClass: clsEditing,
          maxWidth: "window",
          maxHeight: "window",
          allowMinimize: true,
          allowMaximize: true,
          openMaximized:
            editorMaximized() ||
            (editor && editor.info && editor.info.openMaximized),
          btnHoverFocus: false,
          closeOnEscape: false,
          propagationEvents: ["mousemove", "mouseup", "click"],
          minimize: function () {
            var conf;
            if (ta.editor && dialogNode.closest(".ui-dialog").is(":hidden")) {
              conf = ta.editor.confObj;
              if (conf.info && conf.info.syncInterval) {
                fileSync(file.hash);
              }
            }
          },
          close: function () {
            var close = function () {
                var conf;
                dfrd.resolve();
                if (ta.editor) {
                  ta.editor.close(ta[0], ta.editor.instance);
                  conf = ta.editor.confObj;
                  if (conf.info && conf.info.syncInterval) {
                    fileSync(file.hash);
                  }
                }
                ta.elfinderdialog("destroy");
              },
              onlySaveAs = typeof saveAsFile.name !== "undefined",
              accept = onlySaveAs
                ? {
                    label: "btnSaveAs",
                    callback: function () {
                      requestAnimationFrame(saveAs);
                    },
                  }
                : {
                    label: "btnSaveClose",
                    callback: function () {
                      save().done(function () {
                        close();
                      });
                    },
                  };
            changed().done(function (change) {
              var msgs = ["confirmNotSave"];
              if (change) {
                if (typeof change === "string") {
                  msgs.unshift(change);
                }
                fm.confirm({
                  title: self.title,
                  text: msgs,
                  accept: accept,
                  cancel: {
                    label: "btnClose",
                    callback: close,
                  },
                  buttons: onlySaveAs
                    ? null
                    : [
                        {
                          label: "btnSaveAs",
                          callback: function () {
                            requestAnimationFrame(saveAs);
                          },
                        },
                      ],
                });
              } else {
                close();
              }
            });
          },
          open: function () {
            var loadRes, conf, interval;
            ta.initEditArea.call(ta, id, file, content, fm);
            if (ta.editor) {
              loadRes = ta.editor.load(ta[0]) || null;
              if (loadRes && loadRes.done) {
                loadRes
                  .always(function () {
                    _loaded = true;
                  })
                  .done(function (instance) {
                    ta.editor.instance = instance;
                    ta.editor.focus(ta[0], ta.editor.instance);
                    setOld(getContent());
                    requestAnimationFrame(function () {
                      dialogNode.trigger("resize");
                    });
                  })
                  .fail(function (error) {
                    error && fm.error(error);
                    ta.elfinderdialog("destroy");
                    return;
                  })
                  .always(makeToasts);
              } else {
                _loaded = true;
                if (
                  loadRes &&
                  (typeof loadRes === "string" || Array.isArray(loadRes))
                ) {
                  fm.error(loadRes);
                  ta.elfinderdialog("destroy");
                  return;
                }
                ta.editor.instance = loadRes;
                ta.editor.focus(ta[0], ta.editor.instance);
                setOld(getContent());
                requestAnimationFrame(function () {
                  dialogNode.trigger("resize");
                });
                makeToasts();
              }
              conf = ta.editor.confObj;
              if (conf.info && conf.info.syncInterval) {
                if ((interval = parseInt(conf.info.syncInterval))) {
                  setTimeout(function () {
                    autoSync(interval);
                  }, interval);
                }
              }
            } else {
              _loaded = true;
              setOld(getContent());
            }
          },
          resize: function (e, data) {
            ta.editor &&
              ta.editor.resize(ta[0], ta.editor.instance, e, data || {});
          },
        },
        getContent = function () {
          var res = ta.getContent.call(ta, ta[0]);
          if (res === undefined || res === false || res === null) {
            res = jQuery.Deferred().reject();
          }
          return res;
        },
        setOld = function (res) {
          if (res && res.promise) {
            res.done(function (d) {
              old = d;
            });
          } else {
            old = res;
          }
        },
        autoSync = function (interval) {
          if (dialogNode.is(":visible")) {
            fileSync(file.hash);
            setTimeout(function () {
              autoSync(interval);
            }, interval);
          }
        },
        stateChange = function () {
          if (selEncoding) {
            changed().done(function (change) {
              if (change) {
                selEncoding
                  .attr("title", fm.i18n("saveAsEncoding"))
                  .addClass("elfinder-edit-changed");
              } else {
                selEncoding
                  .attr("title", fm.i18n("openAsEncoding"))
                  .removeClass("elfinder-edit-changed");
              }
            });
          }
        },
        saveAsFile = {},
        ta,
        old,
        dialogNode,
        selEncoding,
        extEditor,
        maxW,
        syncInterval;

      if (editor) {
        if (editor.html) {
          ta = jQuery(editor.html);
        }
        extEditor = {
          init: editor.init || null,
          load: editor.load,
          getContent: editor.getContent || null,
          save: editor.save,
          beforeclose:
            typeof editor.beforeclose == "function"
              ? editor.beforeclose
              : void 0,
          close:
            typeof editor.close == "function" ? editor.close : function () {},
          focus:
            typeof editor.focus == "function" ? editor.focus : function () {},
          resize:
            typeof editor.resize == "function" ? editor.resize : function () {},
          instance: null,
          doSave: saveon,
          doCancel: cancel,
          doClose: savecl,
          file: file,
          fm: fm,
          confObj: editor,
          trigger: function (evName, data) {
            fm.trigger(
              "editEditor" + evName,
              Object.assign({}, editor.info || {}, data)
            );
          },
        };
      }

      if (!ta) {
        if (!fm.mimeIsText(file.mime)) {
          return dfrd.reject("errEditorNotFound");
        }
        (function () {
          ta = jQuery(
            '<textarea class="elfinder-file-edit" rows="20" id="' +
              id +
              '-ta"></textarea>'
          ).on("input propertychange", stateChange);

          if (!editor || !editor.info || editor.info.useTextAreaEvent) {
            ta.on("keydown", function (e) {
              var code = e.keyCode,
                value,
                start;

              e.stopPropagation();
              if (code == jQuery.ui.keyCode.TAB) {
                e.preventDefault();
                // insert tab on tab press
                if (this.setSelectionRange) {
                  value = this.value;
                  start = this.selectionStart;
                  this.value =
                    value.substr(0, start) +
                    "\t" +
                    value.substr(this.selectionEnd);
                  start += 1;
                  this.setSelectionRange(start, start);
                }
              }

              if (e.ctrlKey || e.metaKey) {
                // close on ctrl+w/q
                if (code == "Q".charCodeAt(0) || code == "W".charCodeAt(0)) {
                  e.preventDefault();
                  cancel();
                }
                if (code == "S".charCodeAt(0)) {
                  e.preventDefault();
                  saveon();
                }
              }
            }).on("mouseenter", function () {
              this.focus();
            });
          }

          ta.initEditArea = function (id, file, content) {
            // ta.hide() for performance tune. Need ta.show() in `load()` if use textarea node.
            ta.hide().val(content);
            this._setupSelEncoding(content);
          };
        })();
      }

      // extended function to setup selector of encoding for text editor
      ta._setupSelEncoding = function (content) {
        var heads =
            encoding && encoding !== "unknown" ? [{ value: encoding }] : [],
          wfake = jQuery("<select></select>").hide(),
          setSelW = function (init) {
            init && wfake.appendTo(selEncoding.parent());
            wfake
              .empty()
              .append(jQuery("<option></option>").text(selEncoding.val()));
            selEncoding.width(wfake.width());
          };
        if (content === "" || !encoding || encoding !== "UTF-8") {
          heads.push({ value: "UTF-8" });
        }
        selEncoding = getEncSelect(heads)
          .on("touchstart", function (e) {
            // for touch punch event handler
            e.stopPropagation();
          })
          .on("change", function () {
            // reload to change encoding if not edited
            changed().done(function (change) {
              if (!change && getContent() !== "") {
                cancel();
                edit(file, selEncoding.val(), editor).fail(function (err) {
                  err && fm.error(err);
                });
              }
            });
            setSelW();
          })
          .on("mouseover", stateChange);
        ta.parent()
          .next()
          .prepend(
            jQuery(
              '<div class="ui-dialog-buttonset elfinder-edit-extras"></div>'
            ).append(selEncoding)
          );
        setSelW(true);
      };

      ta.data("hash", file.hash);

      if (extEditor) {
        ta.editor = extEditor;

        if (typeof extEditor.beforeclose === "function") {
          opts.beforeclose = function () {
            return extEditor.beforeclose(ta[0], extEditor.instance);
          };
        }

        if (typeof extEditor.init === "function") {
          ta.initEditArea = extEditor.init;
        }

        if (typeof extEditor.getContent === "function") {
          ta.getContent = extEditor.getContent;
        }
      }

      if (!ta.initEditArea) {
        ta.initEditArea = function () {};
      }

      if (!ta.getContent) {
        ta.getContent = function () {
          return rtrim(ta.val());
        };
      }

      if (!editor || !editor.info || !editor.info.preventGet) {
        opts.buttons[fm.i18n("btnSave")] = saveon;
        opts.buttons[fm.i18n("btnSaveClose")] = savecl;
        opts.buttons[fm.i18n("btnSaveAs")] = saveAs;
        opts.buttons[fm.i18n("btnCancel")] = cancel;
      }

      if (editor && typeof editor.prepare === "function") {
        editor.prepare(ta, opts, file);
      }

      dialogNode = self
        .fmDialog(ta, opts)
        .attr("id", id)
        .on("keydown keyup keypress", function (e) {
          e.stopPropagation();
        })
        .css({ overflow: "hidden", minHeight: "7em" })
        .addClass("elfinder-edit-editor")
        .closest(".ui-dialog")
        .on("changeType", function (e, data) {
          if (data.extention && data.mime) {
            var ext = data.extention,
              mime = data.mime,
              btnSet = jQuery(this)
                .children(".ui-dialog-buttonpane")
                .children(".ui-dialog-buttonset");
            btnSet.children(".elfinder-btncnt-0,.elfinder-btncnt-1").hide();
            saveAsFile.name =
              fm.splitFileExtention(file.name)[0] + "." + data.extention;
            saveAsFile.mime = data.mime;
            if (!data.keepEditor) {
              btnSet.children(".elfinder-btncnt-2").trigger("click");
            }
          }
        });

      // care to viewport scale change with mobile devices
      maxW = (fm.options.dialogContained ? fm.getUI() : jQuery(window)).width();
      dialogNode.width() > maxW && dialogNode.width(maxW);

      return dfrd.promise();
    },
    /**
     * Get file content and
     * open dialog with textarea to edit file content
     *
     * @param  String  file hash
     * @return jQuery.Deferred
     **/
    edit = function (file, convert, editor) {
      var hash = file.hash,
        opts = fm.options,
        dfrd = jQuery.Deferred(),
        id = "edit-" + fm.namespace + "-" + file.hash,
        d = fm.getUI().find("#" + id),
        conv = !convert ? 0 : convert,
        noContent = false,
        req,
        error,
        res;

      if (d.length) {
        d.elfinderdialog("toTop");
        return dfrd.resolve();
      }

      if (
        !file.read ||
        (!file.write && (!editor.info || !editor.info.converter))
      ) {
        error = ["errOpen", file.name, "errPerm"];
        return dfrd.reject(error);
      }

      if (editor && editor.info) {
        if (typeof editor.info.edit === "function") {
          res = editor.info.edit.call(fm, file, editor);
          if (res.promise) {
            res
              .done(function () {
                dfrd.resolve();
              })
              .fail(function (error) {
                dfrd.reject(error);
              });
          } else {
            res ? dfrd.resolve() : dfrd.reject();
          }
          return dfrd;
        }

        noContent = editor.info.preventGet || editor.info.noContent;
        if (editor.info.urlAsContent || noContent) {
          req = jQuery.Deferred();
          if (editor.info.urlAsContent) {
            fm.url(hash, { async: true, onetime: true, temporary: true }).done(
              function (url) {
                req.resolve({ content: url });
              }
            );
          } else {
            req.resolve({});
          }
        } else {
          if (conv) {
            file.encoding = conv;
            fm.cache(file, "change");
          }
          req = fm.request({
            data: { cmd: "get", target: hash, conv: conv, _t: file.ts },
            options: { type: "get", cache: true },
            notify: { type: "file", cnt: 1 },
            preventDefault: true,
          });
        }

        req
          .done(function (data) {
            var selEncoding, reg, m, res;
            if (data.doconv) {
              fm.confirm({
                title: self.title,
                text:
                  data.doconv === "unknown"
                    ? "confirmNonUTF8"
                    : "confirmConvUTF8",
                accept: {
                  label: "btnConv",
                  callback: function () {
                    dfrd = edit(file, selEncoding.val(), editor);
                  },
                },
                cancel: {
                  label: "btnCancel",
                  callback: function () {
                    dfrd.reject();
                  },
                },
                optionsCallback: function (options) {
                  options.create = function () {
                    var base = jQuery(
                        '<div class="elfinder-dialog-confirm-encoding"></div>'
                      ),
                      head = { value: data.doconv },
                      detected;

                    if (data.doconv === "unknown") {
                      head.caption = "-";
                    }
                    selEncoding = getEncSelect([head]);
                    jQuery(this)
                      .next()
                      .find(".ui-dialog-buttonset")
                      .prepend(
                        base.append(
                          jQuery(
                            "<label>" + fm.i18n("encoding") + " </label>"
                          ).append(selEncoding)
                        )
                      );
                  };
                },
              });
            } else {
              if (!noContent && fm.mimeIsText(file.mime)) {
                reg = new RegExp(
                  "^(data:" +
                    file.mime.replace(/([.+])/g, "\\$1") +
                    ";base64,)",
                  "i"
                );
                if (!editor.info.dataScheme) {
                  if (window.atob && (m = data.content.match(reg))) {
                    data.content = atob(data.content.substr(m[1].length));
                  }
                } else {
                  if (window.btoa && !data.content.match(reg)) {
                    data.content =
                      "data:" + file.mime + ";base64," + btoa(data.content);
                  }
                }
              }
              dialog(id, file, data.content, data.encoding, editor, data.toasts)
                .done(function (data) {
                  dfrd.resolve(data);
                })
                .progress(function (encoding, newHash, data, saveDfd) {
                  var ta = this;
                  if (newHash) {
                    hash = newHash;
                  }
                  fm.request({
                    options: { type: "post" },
                    data: {
                      cmd: "put",
                      target: hash,
                      encoding: encoding || data.encoding,
                      content: data,
                    },
                    notify: { type: "save", cnt: 1 },
                    syncOnFail: true,
                    preventFail: true,
                    navigate: {
                      target: "changed",
                      toast: {
                        inbuffer: {
                          msg: fm.i18n(["complete", fm.i18n("btnSave")]),
                        },
                      },
                    },
                  })
                    .fail(function (error) {
                      dfrd.reject(error);
                      saveDfd.reject();
                    })
                    .done(function (data) {
                      requestAnimationFrame(function () {
                        ta.trigger("focus");
                        ta.editor && ta.editor.focus(ta[0], ta.editor.instance);
                      });
                      saveDfd.resolve();
                    });
                })
                .fail(function (error) {
                  dfrd.reject(error);
                });
            }
          })
          .fail(function (error) {
            var err = fm.parseError(error);
            err = Array.isArray(err) ? err[0] : err;
            if (file.encoding) {
              file.encoding = "";
              fm.cache(file, "change");
            }
            err !== "errConvUTF8" && fm.sync();
            dfrd.reject(error);
          });
      }

      return dfrd.promise();
    },
    /**
     * Current editors of selected files
     *
     * @type Object
     */
    editors = {},
    /**
     * Fallback editor (Simple text editor)
     *
     * @type Object
     */
    fallbackEditor = {
      // Simple Text (basic textarea editor)
      info: {
        id: "textarea",
        name: "TextArea",
        useTextAreaEvent: true,
      },
      load: function (textarea) {
        // trigger event 'editEditorPrepare'
        this.trigger("Prepare", {
          node: textarea,
          editorObj: void 0,
          instance: void 0,
          opts: {},
        });
        textarea.setSelectionRange && textarea.setSelectionRange(0, 0);
        jQuery(textarea).trigger("focus").show();
      },
      save: function () {},
    },
    /**
     * Set current editors
     *
     * @param  Object  file object
     * @param  Number  cnt  count of selected items
     * @return Void
     */
    setEditors = function (file, cnt) {
      var mimeMatch = function (fileMime, editorMimes) {
          if (!editorMimes) {
            return fm.mimeIsText(fileMime);
          } else {
            if (
              editorMimes[0] === "*" ||
              jQuery.inArray(fileMime, editorMimes) !== -1
            ) {
              return true;
            }
            var i, l;
            l = editorMimes.length;
            for (i = 0; i < l; i++) {
              if (fileMime.indexOf(editorMimes[i]) === 0) {
                return true;
              }
            }
            return false;
          }
        },
        extMatch = function (fileName, editorExts) {
          if (!editorExts || !editorExts.length) {
            return true;
          }
          var ext = fileName
              .replace(/^.+\.([^.]+)|(.+)$/, "$1$2")
              .toLowerCase(),
            i,
            l;
          l = editorExts.length;
          for (i = 0; i < l; i++) {
            if (ext === editorExts[i].toLowerCase()) {
              return true;
            }
          }
          return false;
        },
        optEditors = self.options.editors || [],
        cwdWrite = fm.cwd().write;

      stored = fm.storage("storedEditors") || {};
      editors = {};
      if (!optEditors.length) {
        optEditors = [fallbackEditor];
      }
      jQuery.each(optEditors, function (i, editor) {
        var name;
        if (
          (cnt === 1 || !editor.info.single) &&
          (!editor.info || !editor.info.converter ? file.write : cwdWrite) &&
          (file.size > 0 ||
            (!editor.info.converter &&
              editor.info.canMakeEmpty !== false &&
              fm.mimesCanMakeEmpty[file.mime])) &&
          (!editor.info.maxSize || file.size <= editor.info.maxSize) &&
          mimeMatch(file.mime, editor.mimes || null) &&
          extMatch(file.name, editor.exts || null) &&
          typeof editor.load == "function" &&
          typeof editor.save == "function"
        ) {
          name = editor.info.name ? editor.info.name : "Code Editor";
          (editor.id = editor.info.id ? editor.info.id : "editor" + i),
            (editor.name = name);
          editor.i18n = fm.i18n(name);
          editors[editor.id] = editor;
        }
      });
      return Object.keys(editors).length ? true : false;
    },
    store = function (mime, editor) {
      if (mime && editor) {
        if (!jQuery.isPlainObject(stored)) {
          stored = {};
        }
        stored[mime] = editor.id;
        fm.storage("storedEditors", stored);
        fm.trigger("selectfiles", { files: fm.selected() });
      }
    },
    useStoredEditor = function () {
      var d = fm.storage("useStoredEditor");
      return d ? d > 0 : self.options.useStoredEditor;
    },
    editorMaximized = function () {
      var d = fm.storage("editorMaximized");
      return d ? d > 0 : self.options.editorMaximized;
    },
    getSubMenuRaw = function (files, callback) {
      var subMenuRaw = [];
      jQuery.each(editors, function (id, ed) {
        subMenuRaw.push({
          label: fm.escape(ed.i18n),
          icon: ed.info && ed.info.icon ? ed.info.icon : "edit",
          options: {
            iconImg:
              ed.info && ed.info.iconImg
                ? fm.baseUrl + ed.info.iconImg
                : void 0,
          },
          callback: function () {
            store(files[0].mime, ed);
            callback && callback.call(ed);
          },
        });
      });
      return subMenuRaw;
    },
    getStoreId = function (name) {
      // for compatibility to previous version
      return name.toLowerCase().replace(/ +/g, "");
    },
    getStoredEditor = function (mime) {
      var name = stored[mime];
      return name && Object.keys(editors).length
        ? editors[getStoreId(name)]
        : void 0;
    },
    infoRequest = function () {},
    stored;

  // make public method
  this.getEncSelect = getEncSelect;

  this.shortcuts = [
    {
      pattern: "ctrl+e",
    },
  ];

  this.init = function () {
    var self = this,
      fm = this.fm,
      opts = this.options,
      cmdChecks = [],
      ccData,
      dfd;

    this.onlyMimes = this.options.mimes || [];

    fm.one("open", function () {
      // editors setup
      if (opts.editors && Array.isArray(opts.editors)) {
        fm.trigger("canMakeEmptyFile", {
          mimes: Object.keys(fm.storage("mkfileTextMimes") || {}).concat(
            opts.makeTextMimes || ["text/plain"]
          ),
        });
        jQuery.each(opts.editors, function (i, editor) {
          if (editor.info && editor.info.cmdCheck) {
            cmdChecks.push(editor.info.cmdCheck);
          }
        });
        if (cmdChecks.length) {
          if (fm.api >= 2.103) {
            dfd = fm
              .request({
                data: {
                  cmd: "editor",
                  name: cmdChecks,
                  method: "enabled",
                },
                preventDefault: true,
              })
              .done(function (d) {
                ccData = d;
              })
              .fail(function () {
                ccData = {};
              });
          } else {
            ccData = {};
            dfd = jQuery.Deferred().resolve();
          }
        } else {
          dfd = jQuery.Deferred().resolve();
        }

        dfd.always(function () {
          if (ccData) {
            opts.editors = jQuery.grep(opts.editors, function (e) {
              if (e.info && e.info.cmdCheck) {
                return ccData[e.info.cmdCheck] ? true : false;
              } else {
                return true;
              }
            });
          }
          jQuery.each(opts.editors, function (i, editor) {
            if (editor.setup && typeof editor.setup === "function") {
              editor.setup.call(editor, opts, fm);
            }
            if (!editor.disabled) {
              if (editor.mimes && Array.isArray(editor.mimes)) {
                mimesSingle = mimesSingle.concat(editor.mimes);
                if (!editor.info || !editor.info.single) {
                  mimes = mimes.concat(editor.mimes);
                }
              }
              if (!allowAll && editor.mimes && editor.mimes[0] === "*") {
                allowAll = true;
              }
              if (!editor.info) {
                editor.info = {};
              }
              if (editor.info.integrate) {
                fm.trigger(
                  "helpIntegration",
                  Object.assign({ cmd: "edit" }, editor.info.integrate)
                );
              }
              if (editor.info.canMakeEmpty) {
                fm.trigger("canMakeEmptyFile", {
                  mimes: Array.isArray(editor.info.canMakeEmpty)
                    ? editor.info.canMakeEmpty
                    : editor.mimes,
                });
              }
            }
          });

          mimesSingle = (jQuery.uniqueSort || jQuery.unique)(mimesSingle);
          mimes = (jQuery.uniqueSort || jQuery.unique)(mimes);

          opts.editors = jQuery.grep(opts.editors, function (e) {
            return e.disabled ? false : true;
          });
        });
      }
    })
      .bind("select", function () {
        editors = null;
      })
      .bind("contextmenucreate", function (e) {
        var file,
          editor,
          single = function (editor) {
            var title = self.title;
            fm.one("contextmenucreatedone", function () {
              self.title = title;
            });
            self.title = fm.escape(editor.i18n);
            if (editor.info && editor.info.iconImg) {
              self.contextmenuOpts = {
                iconImg: fm.baseUrl + editor.info.iconImg,
              };
            }
            delete self.variants;
          };

        self.contextmenuOpts = void 0;
        if (e.data.type === "files" && self.enabled()) {
          file = fm.file(e.data.targets[0]);
          if (setEditors(file, e.data.targets.length)) {
            if (Object.keys(editors).length > 1) {
              if (
                !useStoredEditor() ||
                !(editor = getStoredEditor(file.mime))
              ) {
                delete self.extra;
                self.variants = [];
                jQuery.each(editors, function (id, editor) {
                  self.variants.push([
                    { editor: editor },
                    editor.i18n,
                    editor.info && editor.info.iconImg
                      ? fm.baseUrl + editor.info.iconImg
                      : "edit",
                  ]);
                });
              } else {
                single(editor);
                self.extra = {
                  icon: "menu",
                  node: jQuery("<span></span>")
                    .attr({ title: fm.i18n("select") })
                    .on("click touchstart", function (e) {
                      if (
                        e.type === "touchstart" &&
                        e.originalEvent.touches.length > 1
                      ) {
                        return;
                      }
                      var node = jQuery(this);
                      e.stopPropagation();
                      e.preventDefault();
                      fm.trigger("contextmenu", {
                        raw: getSubMenuRaw(fm.selectedFiles(), function () {
                          var hashes = fm.selected();
                          fm.exec("edit", hashes, { editor: this });
                          fm.trigger("selectfiles", { files: hashes });
                        }),
                        x: node.offset().left,
                        y: node.offset().top,
                      });
                    }),
                };
              }
            } else {
              single(editors[Object.keys(editors)[0]]);
              delete self.extra;
            }
          }
        }
      })
      .bind("canMakeEmptyFile", function (e) {
        if (e.data && e.data.resetTexts) {
          var defs = fm.arrayFlip(self.options.makeTextMimes || ["text/plain"]),
            hides = self.getMkfileHides();

          jQuery.each(fm.storage("mkfileTextMimes") || {}, function (mime, type) {
            if (!defs[mime]) {
              delete fm.mimesCanMakeEmpty[mime];
              delete hides[mime];
            }
          });
          fm.storage("mkfileTextMimes", null);
          if (Object.keys(hides).length) {
            fm.storage("mkfileHides", hides);
          } else {
            fm.storage("mkfileHides", null);
          }
        }
      });
  };

  this.getstate = function (select) {
    var sel = this.files(select),
      cnt = sel.length;

    return cnt && filter(sel).length == cnt ? 0 : -1;
  };

  this.exec = function (select, opts) {
    var fm = this.fm,
      files = filter(this.files(select)),
      hashes = jQuery.map(files, function (f) {
        return f.hash;
      }),
      list = [],
      editor = opts && opts.editor ? opts.editor : null,
      node = jQuery(
        opts && opts._currentNode
          ? opts._currentNode
          : fm.cwdHash2Elm(hashes[0])
      ),
      getEditor = function () {
        var dfd = jQuery.Deferred(),
          storedId;

        if (!editor && Object.keys(editors).length > 1) {
          if (useStoredEditor() && (editor = getStoredEditor(files[0].mime))) {
            return dfd.resolve(editor);
          }
          fm.trigger("contextmenu", {
            raw: getSubMenuRaw(files, function () {
              dfd.resolve(this);
            }),
            x: node.offset().left,
            y: node.offset().top + 22,
            opened: function () {
              fm.one("closecontextmenu", function () {
                requestAnimationFrame(function () {
                  if (dfd.state() === "pending") {
                    dfd.reject();
                  }
                });
              });
            },
          });

          fm.trigger("selectfiles", { files: hashes });

          return dfd;
        } else {
          Object.keys(editors).length > 1 &&
            editor &&
            store(files[0].mime, editor);
          return dfd.resolve(
            editor
              ? editor
              : Object.keys(editors).length
              ? editors[Object.keys(editors)[0]]
              : null
          );
        }
      },
      dfrd = jQuery.Deferred(),
      file;

    if (editors === null) {
      setEditors(files[0], hashes.length);
    }

    if (!node.length) {
      node = fm.getUI("cwd");
    }

    getEditor()
      .done(function (editor) {
        while ((file = files.shift())) {
          list.push(
            edit(file, file.encoding || void 0, editor).fail(function (error) {
              error && fm.error(error);
            })
          );
        }

        if (list.length) {
          jQuery.when
            .apply(null, list)
            .done(function () {
              dfrd.resolve();
            })
            .fail(function () {
              dfrd.reject();
            });
        } else {
          dfrd.reject();
        }
      })
      .fail(function () {
        dfrd.reject();
      });

    return dfrd;
  };

  this.getMkfileHides = function () {
    return (
      fm.storage("mkfileHides") ||
      fm.arrayFlip(self.options.mkfileHideMimes || [])
    );
  };
};