eclipse-che/che#9434 add usage of Editor API

Signed-off-by: Yevhen Vydolob <yvydolob@redhat.com>

src/editor.ts

@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2018-2018 Red Hat, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Red Hat, Inc. - initial API and implementation
+ */
+import * as theia from '@wiptheia/plugin';
+export function initEditorsCommands() {
+
+    theia.workspace.onDidOpenTextDocument(e => {
+        console.log(`Text Document opened: ${e.uri}`);
+    });
+
+    theia.workspace.onDidCloseTextDocument( e =>{
+        console.log(`Text Document closed: ${e.uri}`);
+    });
+
+    theia.workspace.onDidChangeTextDocument( e =>{
+        if(e.contentChanges.length !== 0){
+            console.log(`Text Document Changed: 'changes: ${JSON.stringify(e.contentChanges)}', 'document: ${e.document.uri}'`);
+        }
+    });
+
+    theia.window.onDidChangeActiveTextEditor( e =>{
+        if(e){
+                    console.log(`Active Editor Changed: ${e.document.uri}`);
+        } else {
+            console.log("All editors are closed");
+        }
+    });
+
+    theia.window.onDidChangeTextEditorOptions( e => {
+        console.log(`Text Editor options changed: ${e.options}`);
+    });
+
+    theia.window.onDidChangeTextEditorSelection(e => {
+        if(e.selections.length === 1){
+            const sel = e.selections[0];
+            console.log(`Cursor position is: Ln: ${sel.end.line+1}, Col: ${sel.end.character+1}`);
+        }
+
+    });
+
+    theia.window.onDidChangeTextEditorVisibleRanges(e => {
+        console.log(`Text Editor: ${e.textEditor.document.uri} visible ranges: ${JSON.stringify(e.visibleRanges)}`);
+    });
+
+    theia.commands.registerCommand({id: "change editor",label: "Select Editor Cursor"}, ()=>{
+        theia.window.showQuickPick(["Block","BlockOutline", "Line", "Underline", "LineThin", "UnderlineThin" ],{placeHolder:"Select Cursor"}).then((c: string| undefined) =>{
+            let cursorStyle: theia.TextEditorCursorStyle = theia.TextEditorCursorStyle.Line;
+            switch(c!){
+                case "Block":
+                cursorStyle  = theia.TextEditorCursorStyle.Block;
+                break;
+                case "BlockOutline":
+                cursorStyle  = theia.TextEditorCursorStyle.BlockOutline;
+                break;
+                case "Line":
+                cursorStyle  = theia.TextEditorCursorStyle.Line;
+                break;
+                case "Underline":
+                cursorStyle = theia.TextEditorCursorStyle.Underline;
+                break;
+                case "LineThin":
+                cursorStyle  = theia.TextEditorCursorStyle.LineThin;
+                break;
+                case "UnderlineThin":
+                cursorStyle  = theia.TextEditorCursorStyle.UnderlineThin;
+                break;
+            }
+            theia.window.activeTextEditor!.options ={cursorStyle: cursorStyle};
+        });
+    });
+
+    theia.commands.registerCommand({id: 'reveal range test', label:'Test Reveal Range'}, ()=>{
+        theia.window.activeTextEditor!.revealRange(new theia.Range(new theia.Position(32, 4), new theia.Position(34,0)), theia.TextEditorRevealType.InCenter);
+    });
+
+    theia.commands.registerCommand({id:'test editor edit',label:'Test EditorEdit'}, ()=>{
+        const editor = theia.window.activeTextEditor;
+        if(editor){
+            editor.edit(edit=>{
+                edit.insert(new theia.Position(0,0),'Hello from Plugin Editor API');
+            });
+        }
+    });
+
+    theia.commands.registerCommand({id:'test editor snippet', label:"Test Editor Snippet"}, ()=>{
+        const editor = theia.window.activeTextEditor;
+        if(editor){
+            editor.insertSnippet(new theia.SnippetString('Hello from ${1|snippet,one,two|},current year: ${CURRENT_YEAR}\n\t${2:some}-Dir:${TM_DIRECTORY}, File:${TM_FILEPATH}$0'));
+        }
+    });
+
+    theia.commands.registerCommand({id:'test editor decoration', label:'Test Editor Decoration'}, ()=>{
+        const editor = theia.window.activeTextEditor;
+        if(editor){
+            const decoration1 = theia.window.createTextEditorDecorationType({color:'red', textDecoration:'underline overline dotted',cursor:'pointer',});
+            editor.setDecorations(decoration1, [new theia.Range(0,0,0,9)]);
+            const decoration2 = theia.window.createTextEditorDecorationType({color:'green'})
+            editor.setDecorations(decoration2, [{range:  new theia.Range(1,0,1,5), hoverMessage:new theia.MarkdownString('Hello From Plugin')}])
+            setTimeout(()=>{
+                decoration1.dispose();
+            }, 5000);
+        }
+    });
+
+}

src/index.ts

@@ -11,9 +11,11 @@
 
 import * as theia from '@wiptheia/plugin';
 import * as _ from 'lodash';
+import {initEditorsCommands} from './editor';
 const disposables: theia.Disposable[] = [];
 
 export function start() {
+    initEditorsCommands();
     const command: theia.Command = {
         id: 'simple-plugin-command',
         label: 'Command from simple server plugin'
@@ -85,4 +87,4 @@ export function stop() {
         const disposable = disposables.pop();
         disposable.dispose();
     }
-}
+}