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/*******************************************************************************
* Copyright (c) 2015 itemis AG (http://www.itemis.eu) and others.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
define([], function() {
/**
* An editor context mediates between the Xtext services and the CodeMirror editor framework.
*/
function CodeMirrorEditorContext(editor) {
this._editor = editor;
this._serverState = {};
this._serverStateListeners = [];
this._dirty = false;
this._dirtyStateListeners = [];
};
CodeMirrorEditorContext.prototype = {
getServerState: function() {
return this._serverState;
},
updateServerState: function(currentText, currentStateId) {
this._serverState.text = currentText;
this._serverState.stateId = currentStateId;
return this._serverStateListeners;
},
addServerStateListener: function(listener) {
this._serverStateListeners.push(listener);
},
getCaretOffset: function() {
var editor = this._editor;
return editor.indexFromPos(editor.getCursor());
},
getLineStart: function(lineNumber) {
var editor = this._editor;
return editor.indexFromPos({line: lineNumber, ch: 0});
},
getSelection: function() {
var editor = this._editor;
return {
start: editor.indexFromPos(editor.getCursor('from')),
end: editor.indexFromPos(editor.getCursor('to'))
};
},
getText: function(start, end) {
var editor = this._editor;
if (start && end) {
return editor.getRange(editor.posFromIndex(start), editor.posFromIndex(end));
} else {
return editor.getValue();
}
},
isDirty: function() {
return !this._clean;
},
setDirty: function(dirty) {
if (dirty != this._dirty) {
for (var i = 0; i < this._dirtyStateListeners.length; i++) {
this._dirtyStateListeners[i](dirty);
}
}
this._dirty = dirty;
},
addDirtyStateListener: function(listener) {
this._dirtyStateListeners.push(listener);
},
clearUndoStack: function() {
this._editor.clearHistory();
},
setCaretOffset: function(offset) {
var editor = this._editor;
editor.setCursor(editor.posFromIndex(offset));
},
setSelection: function(selection) {
var editor = this._editor;
editor.setSelection(editor.posFromIndex(selection.start), editor.posFromIndex(selection.end));
},
setText: function(text, start, end) {
var editor = this._editor;
if (!start)
start = 0;
if (!end)
end = editor.getValue().length;
var cursor = editor.getCursor();
editor.replaceRange(text, editor.posFromIndex(start), editor.posFromIndex(end));
editor.setCursor(cursor);
}
};
return CodeMirrorEditorContext;
});
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