Koha/koha-tmpl/intranet-tmpl/lib/koha/cateditor/marc-editor.js
Alex Sassmannshausen 5e746f9d56
Bug 17179: (follow-up) Correct typos, add default select.
Correct error whereby object curCursor was invoked as a function.

Added action whereby the most recent entry in the clipboard is
selected after all copy and cut operations.

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
2019-10-09 14:36:24 +01:00

879 lines
31 KiB
JavaScript

/**
* Copyright 2015 ByWater Solutions
*
* This file is part of Koha.
*
* Koha is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Koha 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Koha; if not, see <http://www.gnu.org/licenses>.
*/
define( [ 'marc-record', 'koha-backend', 'preferences', 'text-marc', 'widget' ], function( MARC, KohaBackend, Preferences, TextMARC, Widget ) {
var NOTIFY_TIMEOUT = 250;
function editorCursorActivity( cm ) {
var editor = cm.marceditor;
var field = editor.getCurrentField();
if ( !field ) return;
// Set overwrite mode for tag numbers/indicators and contents of fixed fields
if ( field.isControlField || cm.getCursor().ch < 8 ) {
cm.toggleOverwrite(true);
} else {
cm.toggleOverwrite(false);
}
editor.onCursorActivity();
}
// This function exists to prevent inserting or partially deleting text that belongs to a
// widget. The 'marcAware' change source exists for other parts of the editor code to bypass
// this check.
function editorBeforeChange( cm, change ) {
var editor = cm.marceditor;
if ( editor.textMode || change.origin == 'marcAware' || change.origin == 'widget.clearToText' ) return;
// FIXME: Should only cancel changes if this is a control field/subfield widget
if ( change.from.line !== change.to.line || Math.abs( change.from.ch - change.to.ch ) > 1 || change.text.length != 1 || change.text[0].length != 0 ) return; // Not single-char change
if ( change.from.ch == change.to.ch - 1 && cm.findMarksAt( { line: change.from.line, ch: change.from.ch + 1 } ).length ) {
change.cancel();
} else if ( change.from.ch == change.to.ch && cm.findMarksAt(change.from).length && !change.text[0] == '‡' ) {
change.cancel();
}
}
function editorChanges( cm, changes ) {
var editor = cm.marceditor;
if ( editor.textMode ) return;
for (var i = 0; i < changes.length; i++) {
var change = changes[i];
var origin = change.from.line;
var newTo = CodeMirror.changeEnd(change);
for (var delLine = origin; delLine <= change.to.line; delLine++) {
// Line deleted; currently nothing to do
}
for (var line = origin; line <= newTo.line; line++) {
if ( Preferences.user.fieldWidgets ) Widget.UpdateLine( cm.marceditor, line );
if ( change.origin != 'setValue' && change.origin != 'marcWidgetPrefill' && change.origin != 'widget.clearToText' ) {
cm.addLineClass( line, 'wrapper', 'modified-line' );
editor.modified = true;
}
}
}
Widget.ActivateAt( cm, cm.getCursor() );
cm.marceditor.startNotify();
}
function editorSetOverwriteMode( cm, newState ) {
var editor = cm.marceditor;
editor.overwriteMode = newState;
}
// Editor helper functions
function activateTabPosition( cm, pos, idx ) {
// Allow tabbing to as-yet-nonexistent positions
var lenDiff = pos.ch - cm.getLine( pos.line ).length;
if ( lenDiff > 0 ) {
var extra = '';
while ( lenDiff-- > 0 ) extra += ' ';
if ( pos.prefill ) extra += pos.prefill;
cm.replaceRange( extra, { line: pos.line } );
}
cm.setCursor( pos );
Widget.ActivateAt( cm, pos, idx );
}
function getTabPositions( editor, cur ) {
cur = cur || editor.cm.getCursor();
var field = editor.getFieldAt( cur.line );
if ( field ) {
if ( field.isControlField ) {
var positions = [ { ch: 0 }, { ch: 4 } ];
$.each( positions, function( undef, pos ) {
pos.line = cur.line;
} );
return positions;
} else {
var positions = [ { ch: 0 }, { ch: 4, prefill: '_' }, { ch: 6, prefill: '_' } ];
$.each( positions, function( undef, pos ) {
pos.line = cur.line;
} );
$.each( field.getSubfields(), function( undef, subfield ) {
positions.push( { line: cur.line, ch: subfield.contentsStart } );
} );
// Allow to tab to start of empty field
if ( field.getSubfields().length == 0 ) {
positions.push( { line: cur.line, ch: 8 } );
}
return positions;
}
} else {
return [];
}
}
var _editorKeys = {};
_editorKeys[insert_copyright] = function( cm ) {
cm.replaceRange( '©', cm.getCursor() );
}
_editorKeys[insert_copyright_sound] = function( cm ) {
cm.replaceRange( '℗', cm.getCursor() );
}
_editorKeys[new_line] = function( cm ) {
var cursor = cm.getCursor();
cm.replaceRange( '\n', { line: cursor.line }, null, 'marcAware' );
cm.setCursor( { line: cursor.line + 1, ch: 0 } );
}
_editorKeys[line_break] = function( cm ) {
var cur = cm.getCursor();
cm.replaceRange( "\n", cur, null );
}
_editorKeys[delete_field] = function( cm ) {
// Delete line (or cut)
if ( cm.somethingSelected() ) return true;
var curLine = cm.getLine( cm.getCursor().line );
$("#clipboard").prepend('<option>'+curLine+'</option>');
$("#clipboard option:first-child").prop('selected', true);
cm.execCommand('deleteLine');
}
_editorKeys[link_authorities] = function( cm ) {
// Launch the auth search popup
var field = cm.marceditor.getCurrentField();
if ( !field ) return;
if ( authInfo[field.tag] == undefined ) return;
authtype = authInfo[field.tag].authtypecode;
index = 'tag_'+field.tag+'_rancor';
var mainmainstring = '';
if( field.getSubfields( authInfo[field.tag].subfield ).length != 0 ){
mainmainstring += field.getSubfields( authInfo[field.tag].subfield )[0].text;
}
var subfields = field.getSubfields();
var mainstring= '';
for(i=0;i < subfields.length ;i++){
if ( authInfo[field.tag].subfield == subfields[i].code ) continue;
if( subfields[i].code == '9' ) continue;
mainstring += subfields[i].text+' ';
}
newin=window.open("../authorities/auth_finder.pl?source=biblio&authtypecode="+authtype+"&index="+index+"&value_mainstr="+encodeURI(mainmainstring)+"&value_main="+encodeURI(mainstring), "_blank",'width=700,height=550,toolbar=false,scrollbars=yes');
}
_editorKeys[delete_subfield] = function( cm ) {
// Delete subfield
var field = cm.marceditor.getCurrentField();
if ( !field ) return;
var curCursor = cm.getCursor();
var subfield = field.getSubfieldAt( curCursor.ch );
var subfieldText= cm.getRange({line:curCursor.line,ch:subfield.start},{line:curCursor.line,ch:subfield.end});
if ( subfield ) {
$("#clipboard").prepend('<option>'+subfieldText+'</option>');
$("#clipboard option:first-child").prop('selected', true);
subfield.delete();
}
}
_editorKeys[copy_line] = function( cm ) {
// Copy line
if ( cm.somethingSelected() ) return true;
var curLine = cm.getLine( cm.getCursor().line );
$("#clipboard").prepend('<option>'+curLine+'</option>');
$("#clipboard option:first-child").prop('selected', true);
}
_editorKeys[copy_subfield] = function( cm ) {
// Copy subfield
var field = cm.marceditor.getCurrentField();
if ( !field ) return;
var curCursor = cm.getCursor();
var subfield = field.getSubfieldAt( curCursor.ch );
var subfieldText= cm.getRange({line:curCursor.line,ch:subfield.start},{line:curCursor.line,ch:subfield.end});
if ( subfield ) {
$("#clipboard").prepend('<option>'+subfieldText+'</option>');
$("#clipboard option:first-child").prop('selected', true);
}
}
_editorKeys[paste_line] = function( cm ) {
// Paste line from "clipboard"
if ( cm.somethingSelected() ) return true;
var cBoard = document.getElementById("clipboard");
var strUser = cBoard.options[cBoard.selectedIndex].text;
cm.replaceRange( strUser, cm.getCursor(), null );
}
_editorKeys[insert_line] = function( cm ) {
// Copy line and insert below
if ( cm.somethingSelected() ) return true;
var curLine = cm.getLine( cm.getCursor().line );
cm.execCommand('newlineAndIndent');
cm.replaceRange( curLine, cm.getCursor(), null );
}
_editorKeys[next_position] = function( cm ) {
// Move through parts of tag/fixed fields
var positions = getTabPositions( cm.marceditor );
var cur = cm.getCursor();
for ( var i = 0; i < positions.length; i++ ) {
if ( positions[i].ch > cur.ch ) {
activateTabPosition( cm, positions[i] );
return false;
}
}
cm.setCursor( { line: cur.line + 1, ch: 0 } );
}
_editorKeys[prev_position] = function( cm ) {
// Move backwards through parts of tag/fixed fields
var positions = getTabPositions( cm.marceditor );
var cur = cm.getCursor();
for ( var i = positions.length - 1; i >= 0; i-- ) {
if ( positions[i].ch < cur.ch ) {
activateTabPosition( cm, positions[i], -1 );
return false;
}
}
if ( cur.line == 0 ) return;
var prevPositions = getTabPositions( cm.marceditor, { line: cur.line - 1, ch: cm.getLine( cur.line - 1 ).length } );
if ( prevPositions.length ) {
activateTabPosition( cm, prevPositions[ prevPositions.length - 1 ], -1 );
} else {
cm.setCursor( { line: cur.line - 1, ch: 0 } );
}
}
_editorKeys[insert_delimiter] = function(cm){
var cur = cm.getCursor();
cm.replaceRange( "‡", cur, null );
}
_editorKeys[toggle_keyboard] = function( cm ) {
let keyboard = $(cm.getInputField()).getkeyboard();
keyboard.isVisible()?keyboard.close():keyboard.reveal();
}
// The objects below are part of a field/subfield manipulation API, accessed through the base
// editor object.
//
// Each one is tied to a particular line; this means that using a field or subfield object after
// any other changes to the record will cause entertaining explosions. The objects are meant to
// be temporary, and should only be reused with great care. The macro code does this only
// because it is careful to dispose of the object after any other updates.
//
// Note, however, tha you can continue to use a field object after changing subfields. It's just
// the subfield objects that become invalid.
// This is an exception raised by the EditorSubfield and EditorField when an invalid change is
// attempted.
function FieldError(line, message) {
this.line = line;
this.message = message;
};
FieldError.prototype.toString = function() {
return 'FieldError(' + this.line + ', "' + this.message + '")';
};
// This is the temporary object for a particular subfield in a field. Any change to any other
// subfields will invalidate this subfield object.
function EditorSubfield( field, index, start, end ) {
this.field = field;
this.index = index;
this.start = start;
this.end = end;
if ( this.field.isControlField ) {
this.contentsStart = start;
this.code = '@';
} else {
this.contentsStart = start + 2;
this.code = this.field.contents.substr( this.start + 1, 1 );
}
this.cm = field.cm;
var marks = this.cm.findMarksAt( { line: field.line, ch: this.contentsStart } );
if ( marks[0] && marks[0].widget ) {
this.widget = marks[0].widget;
this.text = this.widget.text;
this.setText = this.widget.setText;
this.getFixed = this.widget.getFixed;
this.setFixed = this.widget.setFixed;
} else {
this.widget = null;
this.text = this.field.contents.substr( this.contentsStart, end - this.contentsStart );
}
};
$.extend( EditorSubfield.prototype, {
_invalid: function() {
return this.field._subfieldsInvalid();
},
delete: function() {
this.cm.replaceRange( "", { line: this.field.line, ch: this.start }, { line: this.field.line, ch: this.end }, 'marcAware' );
},
focus: function() {
this.cm.setCursor( { line: this.field.line, ch: this.contentsStart } );
},
focusEnd: function() {
this.cm.setCursor( { line: this.field.line, ch: this.end } );
},
getText: function() {
return this.text;
},
setText: function( text ) {
if ( !this._invalid() ) throw new FieldError( this.field.line, 'subfield invalid' );
this.cm.replaceRange( text, { line: this.field.line, ch: this.contentsStart }, { line: this.field.line, ch: this.end }, 'marcAware' );
this.field._invalidateSubfields();
},
} );
function EditorField( editor, line ) {
this.editor = editor;
this.line = line;
this.cm = editor.cm;
this._updateInfo();
this.tag = this.contents.substr( 0, 3 );
this.isControlField = ( this.tag < '010' );
if ( this.isControlField ) {
this._ind1 = this.contents.substr( 4, 1 );
this._ind2 = this.contents.substr( 6, 1 );
} else {
this._ind1 = null;
this._ind2 = null;
}
this.subfields = null;
}
$.extend( EditorField.prototype, {
_subfieldsInvalid: function() {
return !this.subfields;
},
_invalidateSubfields: function() {
this._subfields = null;
},
_updateInfo: function() {
this.info = this.editor.getLineInfo( { line: this.line, ch: 0 } );
if ( this.info == null ) throw new FieldError( 'Invalid field' );
this.contents = this.info.contents;
},
_scanSubfields: function() {
this._updateInfo();
if ( this.isControlField ) {
this._subfields = [ new EditorSubfield( this, 0, 4, this.contents.length ) ];
} else {
var field = this;
var subfields = this.info.subfields;
this._subfields = [];
for (var i = 0; i < this.info.subfields.length; i++) {
var end = i == subfields.length - 1 ? this.contents.length : subfields[i+1].ch;
this._subfields.push( new EditorSubfield( this, i, subfields[i].ch, end ) );
}
}
},
delete: function() {
this.cm.replaceRange( "", { line: this.line, ch: 0 }, { line: this.line + 1, ch: 0 }, 'marcAware' );
},
focus: function() {
this.cm.setCursor( { line: this.line, ch: 0 } );
return this;
},
getText: function() {
var result = '';
$.each( this.getSubfields(), function() {
if ( this.code != '@' ) result += '‡' + this.code;
result += this.getText();
} );
return result;
},
setText: function( text ) {
var indicator_match = /^([_ 0-9])([_ 0-9])\‡/.exec( text );
if ( indicator_match ) {
text = text.substr(2);
this.setIndicator1( indicator_match[1] );
this.setIndicator2( indicator_match[2] );
}
this.cm.replaceRange( text, { line: this.line, ch: this.isControlField ? 4 : 8 }, { line: this.line }, 'marcAware' );
this._invalidateSubfields();
return this;
},
getIndicator1: function() {
return this._ind1;
},
getIndicator2: function() {
return this._ind2;
},
setIndicator1: function(val) {
if ( this.isControlField ) throw new FieldError('Cannot set indicators on control field');
this._ind1 = ( !val || val == ' ' ) ? '_' : val;
this.cm.replaceRange( this._ind1, { line: this.line, ch: 4 }, { line: this.line, ch: 5 }, 'marcAware' );
return this;
},
setIndicator2: function(val) {
if ( this.isControlField ) throw new FieldError('Cannot set indicators on control field');
this._ind2 = ( !val || val == ' ' ) ? '_' : val;
this.cm.replaceRange( this._ind2, { line: this.line, ch: 6 }, { line: this.line, ch: 7 }, 'marcAware' );
return this;
},
appendSubfield: function( code ) {
if ( this.isControlField ) throw new FieldError('Cannot add subfields to control field');
this._invalidateSubfields();
this.cm.replaceRange( '‡' + code, { line: this.line }, null, 'marcAware' );
var subfields = this.getSubfields();
return subfields[ subfields.length - 1 ];
},
insertSubfield: function( code, position ) {
if ( this.isControlField ) throw new FieldError('Cannot add subfields to control field');
position = position || 0;
var subfields = this.getSubfields();
this._invalidateSubfields();
this.cm.replaceRange( '‡' + code, { line: this.line, ch: subfields[position] ? subfields[position].start : null }, null, 'marcAware' );
subfields = this.getSubfields();
return subfields[ position ];
},
getSubfields: function( code ) {
if ( !this._subfields ) this._scanSubfields();
if ( code == null ) return this._subfields;
var result = [];
$.each( this._subfields, function() {
if ( code == null || this.code == code ) result.push(this);
} );
return result;
},
getFirstSubfield: function( code ) {
var result = this.getSubfields( code );
return ( result && result.length ) ? result[0] : null;
},
getSubfieldAt: function( ch ) {
var subfields = this.getSubfields();
for (var i = 0; i < subfields.length; i++) {
if ( subfields[i].start < ch && subfields[i].end >= ch ) return subfields[i];
}
},
} );
function MARCEditor( options ) {
this.frameworkcode = '';
this.cm = CodeMirror(
options.position,
{
extraKeys: _editorKeys,
gutters: [
'modified-line-gutter',
],
lineWrapping: true,
mode: {
name: 'marc',
nonRepeatableTags: KohaBackend.GetTagsBy( '', 'repeatable', '0' ),
nonRepeatableSubfields: KohaBackend.GetSubfieldsBy( '', 'repeatable', '0' )
}
}
);
var inf = this.cm.getInputField();
var self = this;
var kb = $(inf).keyboard({
//keyBinding: "mousedown touchstart",
usePreview: false,
lockInput: false,
autoAccept: true,
autoAcceptOnEsc: true,
userClosed: true,
//alwaysOpen: true,
openOn : '',
position: {
of: $("#statusbar"), // optional - null (attach to input/textarea) or a jQuery object (attach elsewhere)
my: 'center top',
at: 'center bottom',
at2: 'center bottom' // used when "usePreview" is false (centers keyboard at bottom of the input/textarea)
},
beforeInsert: function(evnt, keyboard, elem, txt) {
var position = self.cm.getCursor();
if (txt === "\b") {
self.cm.execCommand("delCharBefore");
}
if (txt === "\b" && position.ch === 0 && position.line !== 0) {
elem.value = self.cm.getLine(position.line) || "";
txt = "";
}
return txt;
},
visible: function() {
$('#set-keyboard-layout').removeClass('hide');
},
hidden: function(e, keyboard, el, accepted) {
inf.focus();
$('#set-keyboard-layout').addClass('hide');
}
}).getkeyboard();
Object.keys($.keyboard.layouts).forEach(function(layout) {
var div = $('#keyboard-layout .layouts').append('<div class="layout" data-layout="'+layout+'" data-name="'+($.keyboard.layouts[layout].name||layout)+'" >'+($.keyboard.layouts[layout].name||layout)+'</div>')
if(kb.layout == layout) {
div.addClass('active');
}
});
$('#keyboard-layout')
.on('show.bs.modal', function() {
kb.close();
$('#keyboard-layout .filter').focus();
$('#set-keyboard-layout').removeClass('hide');
})
.on('hide.bs.modal', function() {
!kb.isVisible() && kb.reveal();
});
$('#keyboard-layout .layout').click(function(event) {
$('#keyboard-layout .layout').removeClass('active');
$(this).addClass('active');
var layout = $(this).data().layout;
kb.redraw(layout);
$('#keyboard-layout').modal('hide');
$('#keyboard-layout .filter').val('');
$('#keyboard-layout .layout').show();
});
$('#keyboard-layout .filter').keyup(function() {
var val = $(this).val();
if(!val||!val.length) return $('#keyboard-layout .layout').show();
var filter = new RegExp(val, 'i');
$('#keyboard-layout .layout').hide();
$('#keyboard-layout .layout').each(function() {
var name = $(this).data().name;
if(filter.test(name)) $(this).show();
})
});
this.cm.marceditor = this;
this.cm.on( 'beforeChange', editorBeforeChange );
this.cm.on( 'changes', editorChanges );
this.cm.on( 'cursorActivity', editorCursorActivity );
this.cm.on( 'overwriteToggle', editorSetOverwriteMode );
this.onCursorActivity = options.onCursorActivity;
this.subscribers = [];
this.subscribe( function( marceditor ) {
Widget.Notify( marceditor );
} );
}
MARCEditor.FieldError = FieldError;
$.extend( MARCEditor.prototype, {
setUseWidgets: function( val ) {
if ( val ) {
for ( var line = 0; line <= this.cm.lastLine(); line++ ) {
Widget.UpdateLine( this, line );
}
} else {
$.each( this.cm.getAllMarks(), function( undef, mark ) {
if ( mark.widget ) mark.widget.clearToText();
} );
}
},
focus: function() {
this.cm.focus();
},
getCursor: function() {
return this.cm.getCursor();
},
refresh: function() {
this.cm.refresh();
},
setFrameworkCode: function( code, updateFields, callback ) {
this.frameworkcode = code;
$( 'a.change-framework i.selected' ).addClass( 'hidden' );
$( 'a.change-framework i.unselected' ).removeClass( 'hidden' );
$( 'a.change-framework[data-frameworkcode="' + code + '"] i.unselected' ).addClass( 'hidden' );
$( 'a.change-framework[data-frameworkcode="' + code + '"] i.selected' ).removeClass( 'hidden ');
var cm = this.cm;
KohaBackend.InitFramework( code, function ( error ) {
cm.setOption( 'mode', {
name: 'marc',
nonRepeatableTags: KohaBackend.GetTagsBy( code, 'repeatable', '0' ),
nonRepeatableSubfields: KohaBackend.GetSubfieldsBy( code, 'repeatable', '0' )
});
if ( updateFields ) {
var record = TextMARC.TextToRecord( cm.getValue() );
KohaBackend.FillRecord( code, record );
cm.setValue( TextMARC.RecordToText(record) );
}
callback( error );
} );
},
displayRecord: function( record ) {
this.cm.setValue( TextMARC.RecordToText(record) );
this.modified = false;
this.setFrameworkCode(
typeof record.frameworkcode !== 'undefined' ? record.frameworkcode : '',
false,
function ( error ) {
if ( typeof error !== 'undefined' ) {
humanMsg.displayAlert( _(error), { className: 'humanError' } );
}
}
);
},
getRecord: function() {
this.textMode = true;
$.each( this.cm.getAllMarks(), function( undef, mark ) {
if ( mark.widget ) mark.widget.clearToText();
} );
var record = TextMARC.TextToRecord( this.cm.getValue() );
for ( var line = 0; line <= this.cm.lastLine(); line++ ) {
if ( Preferences.user.fieldWidgets ) Widget.UpdateLine( this, line );
}
this.textMode = false;
record.frameworkcode = this.frameworkcode;
return record;
},
getLineInfo: function( pos ) {
var contents = this.cm.getLine( pos.line );
if ( contents == null ) return {};
var tagNumber = contents.match( /^([A-Za-z0-9]{3})/ );
if ( !tagNumber ) return null; // No tag at all on this line
tagNumber = tagNumber[1];
if ( tagNumber < '010' ) return { tagNumber: tagNumber, contents: contents }; // No current subfield
var matcher = /‡([a-z0-9%])/g;
var match;
var subfields = [];
var currentSubfield;
while ( ( match = matcher.exec(contents) ) ) {
subfields.push( { code: match[1], ch: match.index } );
if ( match.index < pos.ch ) currentSubfield = match[1];
}
return { tagNumber: tagNumber, subfields: subfields, currentSubfield: currentSubfield, contents: contents };
},
addError: function( line, error ) {
var found = false;
var options = {};
if ( line == null ) {
line = 0;
options.above = true;
}
$.each( this.cm.getLineHandle(line).widgets || [], function( undef, widget ) {
if ( !widget.isErrorMarker ) return;
found = true;
$( widget.node ).append( '; ' + error );
widget.changed();
return false;
} );
if ( found ) return;
var node = $( '<div class="structure-error"><i class="fa fa-remove"></i> ' + error + '</div>' )[0];
var widget = this.cm.addLineWidget( line, node, options );
widget.node = node;
widget.isErrorMarker = true;
},
removeErrors: function() {
for ( var line = 0; line < this.cm.lineCount(); line++ ) {
$.each( this.cm.getLineHandle( line ).widgets || [], function( undef, lineWidget ) {
if ( lineWidget.isErrorMarker ) lineWidget.clear();
} );
}
},
startNotify: function() {
if ( this.notifyTimeout ) clearTimeout( this.notifyTimeout );
this.notifyTimeout = setTimeout( $.proxy( function() {
this.notifyAll();
this.notifyTimeout = null;
}, this ), NOTIFY_TIMEOUT );
},
notifyAll: function() {
$.each( this.subscribers, $.proxy( function( undef, subscriber ) {
subscriber(this);
}, this ) );
},
subscribe: function( subscriber ) {
this.subscribers.push( subscriber );
},
createField: function( tag, line ) {
var contents = tag + ( tag < '010' ? ' ' : ' _ _ ' );
if ( line > this.cm.lastLine() ) {
contents = '\n' + contents;
} else {
contents = contents + '\n';
}
this.cm.replaceRange( contents, { line: line, ch: 0 }, null, 'marcAware' );
return new EditorField( this, line );
},
createFieldOrdered: function( tag ) {
var line, contents;
for ( line = 0; (contents = this.cm.getLine(line)); line++ ) {
if ( contents && contents.substr(0, 3) > tag ) break;
}
return this.createField( tag, line );
},
createFieldGrouped: function( tag ) {
// Control fields should be inserted in actual order, whereas other fields should be
// inserted grouped
if ( tag < '010' ) return this.createFieldOrdered( tag );
var line, contents;
for ( line = 0; (contents = this.cm.getLine(line)); line++ ) {
if ( contents && contents[0] > tag[0] ) break;
}
return this.createField( tag, line );
},
getFieldAt: function( line ) {
try {
return new EditorField( this, line );
} catch (e) {
return null;
}
},
getCurrentField: function() {
return this.getFieldAt( this.cm.getCursor().line );
},
getFields: function( tag ) {
var result = [];
if ( tag != null ) tag += ' ';
for ( var line = 0; line < this.cm.lineCount(); line++ ) {
if ( tag && this.cm.getLine(line).substr( 0, 4 ) != tag ) continue;
// If this throws a FieldError, pretend it doesn't exist
try {
result.push( new EditorField( this, line ) );
} catch (e) {
if ( !( e instanceof FieldError ) ) throw e;
}
}
return result;
},
getFirstField: function( tag ) {
var result = this.getFields( tag );
return ( result && result.length ) ? result[0] : null;
},
getAllFields: function( tag ) {
return this.getFields( null );
},
} );
return MARCEditor;
} );