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import {Component, OnInit, ElementRef, Input, Output, EventEmitter} from "angular2/core";
import {EditingData, EditingDataService} from "./editing-data.service";
import CodeMirror from "codemirror";
import "codemirror/mode/ruby/ruby";
import "codemirror/mode/php/php";
import "codemirror/mode/htmlmixed/htmlmixed";
import "codemirror/mode/xml/xml";
import "codemirror/mode/css/css";
import "codemirror/mode/clike/clike";
import "codemirror/mode/javascript/javascript";
import "codemirror/addon/edit/closebrackets";
import "codemirror/addon/edit/matchbrackets";
@Component({
selector: "editor",
template: `
<textarea></textarea>
`,
})
export class EditorComponent implements OnInit {
private _mode: string;
@Input() set mode(val: string) {
this._mode = val;
if (this.cm) {
this.cm.setOption("mode", val);
}
}
private _value: string;
@Input() set value(val: string) {
if (this._value !== val) {
this._value = val;
if (this.cm) {
this.cm.getDoc().setValue(val);
}
}
}
@Output() valueChange = new EventEmitter();
@Output() onSubmit = new EventEmitter();
private cm: CodeMirror.EditorFromTextArea;
constructor(
private elementRef: ElementRef) { }
ngOnInit() {
if (!this.cm) {
const elm = this.elementRef.nativeElement;
const origTextarea = <HTMLTextAreaElement>elm.querySelector("textarea");
this.cm = CodeMirror.fromTextArea(origTextarea, {
mode: this._mode,
lineNumbers: true,
value: this._value,
extraKeys: {
"Ctrl-Enter": cm => this.onSubmit.emit(this._value),
}
});
this.cm.on("change", cm => {
this.cm.save();
if (this._value !== origTextarea.value) {
this._value = origTextarea.value;
this.valueChange.emit(this._value);
}
});
}
}
}
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