How to use @theia/editor - 10 common examples

protected parentContains(candidate: DocumentSymbol | Range, parent: DocumentSymbol | Range, rangeBased: boolean): boolean {
        // TODO: move this code to the `monaco-languageclient`: https://github.com/theia-ide/theia/pull/2885#discussion_r217800446
        const candidateRange = Range.is(candidate) ? candidate : this.getFullRange(candidate);
        const parentRange = Range.is(parent) ? parent : this.getFullRange(parent);
        const sameStartLine = candidateRange.start.line === parentRange.start.line;
        const startColGreaterOrEqual = candidateRange.start.character >= parentRange.start.character;
        const startLineGreater = candidateRange.start.line > parentRange.start.line;
        const sameEndLine = candidateRange.end.line === parentRange.end.line;
        const endColSmallerOrEqual = candidateRange.end.character <= parentRange.end.character;
        const endLineSmaller = candidateRange.end.line < parentRange.end.line;
        return (((sameStartLine && startColGreaterOrEqual || startLineGreater) &&
            (sameEndLine && endColSmallerOrEqual || endLineSmaller)) || !rangeBased);
    }

protected parentContains(candidate: DocumentSymbol | Range, parent: DocumentSymbol | Range, rangeBased: boolean): boolean {
        // TODO: move this code to the `monaco-languageclient`: https://github.com/theia-ide/theia/pull/2885#discussion_r217800446
        const candidateRange = Range.is(candidate) ? candidate : this.getFullRange(candidate);
        const parentRange = Range.is(parent) ? parent : this.getFullRange(parent);
        const sameStartLine = candidateRange.start.line === parentRange.start.line;
        const startColGreaterOrEqual = candidateRange.start.character >= parentRange.start.character;
        const startLineGreater = candidateRange.start.line > parentRange.start.line;
        const sameEndLine = candidateRange.end.line === parentRange.end.line;
        const endColSmallerOrEqual = candidateRange.end.character <= parentRange.end.character;
        const endLineSmaller = candidateRange.end.line < parentRange.end.line;
        return (((sameStartLine && startColGreaterOrEqual || startLineGreater) &&
            (sameEndLine && endColSmallerOrEqual || endLineSmaller)) || !rangeBased);
    }

keybinding: this.keyCode(keybinding).toString(),
                        context: EditorKeybindingContexts.editorTextFocus,
                    });
                } else {
                    // FIXME support chord keybindings properly, KeyCode does not allow it right now
                }
            }
        }

        // `Select All` is not an editor action just like everything else.
        const selectAllCommand = this.commands.validate(MonacoCommands.SELECTION_SELECT_ALL);
        if (selectAllCommand) {
            registry.registerKeybinding({
                command: selectAllCommand,
                keybinding: "ctrlcmd+a",
                context: EditorKeybindingContexts.editorTextFocus,
            });
        }
    }

* are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Pivotal, Inc. - initial API and implementation
 *******************************************************************************/
import { injectable, inject } from 'inversify';
import { VersionedTextDocumentIdentifier, Range, CodeLens } from 'vscode-languageserver-types';
import { EditorDecorationStyle, TextEditor, DeltaDecorationParams, EditorManager } from '@theia/editor/lib/browser';
import { DiffUris } from '@theia/core/lib/browser/diff-uris';
import URI from '@theia/core/lib/common/uri';

// const BOOT_LIVE_HINTS = 'Boot-Live-Hints';

const INLINE_BOOT_HINT_DECORATION_STYLE = new EditorDecorationStyle('inline-boot-hint-decoration', style => {
    style.backgroundColor = 'rgba(109,179,63,0.25)',
    style.borderColor = 'rgba(109,179,63,0.25)',
    style.borderSpacing = '4px',
    style.borderRadius = '4px',
    style.borderWidth = '4px'
});

@injectable()
export class HighlightService {

    protected readonly appliedDecorations = new Map();

    constructor(
        @inject(EditorManager) protected readonly editorManager: EditorManager
    ) {}

run(mode: QuickOpenMode): boolean {
        if (mode !== QuickOpenMode.OPEN) {
            return false;
        }

        // Search results are 1-based, positions in editors are 0-based.
        const line = this.result.line - 1;
        const character = this.result.character - 1;
        const uri = new URI('file://' + this.result.file);
        const r = Range.create(line, character, line, character + this.result.length);
        open(this.openerService, uri, { selection: r });

        return true;
    }

menus.registerMenuAction(GitWidget.ContextMenu.BATCH, {
            commandId: GIT_COMMANDS.STAGE_ALL.id,
            label: 'Stage All Changes'
        });
        menus.registerMenuAction(GitWidget.ContextMenu.BATCH, {
            commandId: GIT_COMMANDS.UNSTAGE_ALL.id,
            label: 'Unstage All Changes'
        });
        menus.registerMenuAction(GitWidget.ContextMenu.BATCH, {
            commandId: GIT_COMMANDS.DISCARD_ALL.id,
            label: 'Discard All Changes'
        });
        menus.registerMenuAction(EditorContextMenu.NAVIGATION, {
            commandId: GIT_COMMANDS.OPEN_FILE.id
        });
        menus.registerMenuAction(EditorContextMenu.NAVIGATION, {
            commandId: GIT_COMMANDS.OPEN_CHANGES.id
        });
        [GIT_COMMANDS.STASH, GIT_COMMANDS.APPLY_STASH,
        GIT_COMMANDS.APPLY_LATEST_STASH, GIT_COMMANDS.POP_STASH,
        GIT_COMMANDS.POP_LATEST_STASH, GIT_COMMANDS.DROP_STASH].forEach(command =>
            menus.registerMenuAction(GitWidget.ContextMenu.STASH, {
                commandId: command.id,
                label: command.label
            })
        );
    }

registerMenus(menus: MenuModelRegistry): void {
        menus.registerMenuAction(EditorContextMenu.NAVIGATION, {
            commandId: PreviewCommands.OPEN.id,
            label: 'Open Preview',
        });
    }

commandId: GIT_COMMANDS.COMMIT_SIGN_OFF.id,
            label: 'Commit (Signed Off)'
        });
        menus.registerMenuAction(GitWidget.ContextMenu.BATCH, {
            commandId: GIT_COMMANDS.STAGE_ALL.id,
            label: 'Stage All Changes'
        });
        menus.registerMenuAction(GitWidget.ContextMenu.BATCH, {
            commandId: GIT_COMMANDS.UNSTAGE_ALL.id,
            label: 'Unstage All Changes'
        });
        menus.registerMenuAction(GitWidget.ContextMenu.BATCH, {
            commandId: GIT_COMMANDS.DISCARD_ALL.id,
            label: 'Discard All Changes'
        });
        menus.registerMenuAction(EditorContextMenu.NAVIGATION, {
            commandId: GIT_COMMANDS.OPEN_FILE.id
        });
        menus.registerMenuAction(EditorContextMenu.NAVIGATION, {
            commandId: GIT_COMMANDS.OPEN_CHANGES.id
        });
        [GIT_COMMANDS.STASH, GIT_COMMANDS.APPLY_STASH,
        GIT_COMMANDS.APPLY_LATEST_STASH, GIT_COMMANDS.POP_STASH,
        GIT_COMMANDS.POP_LATEST_STASH, GIT_COMMANDS.DROP_STASH].forEach(command =>
            menus.registerMenuAction(GitWidget.ContextMenu.STASH, {
                commandId: command.id,
                label: command.label
            })
        );
    }

registerMenus(menus: MenuModelRegistry): void {
        menus.registerMenuAction(EditorContextMenu.NAVIGATION, {
            commandId: GIT_COMMANDS.OPEN_FILE.id
        });
        menus.registerMenuAction(EditorContextMenu.NAVIGATION, {
            commandId: GIT_COMMANDS.OPEN_CHANGES.id
        });

        const registerResourceAction = (group: string, action: MenuAction) => {
            menus.registerMenuAction(ScmWidget.RESOURCE_INLINE_MENU, action);
            menus.registerMenuAction([...ScmWidget.RESOURCE_CONTEXT_MENU, group], action);
        };

        registerResourceAction('navigation', {
            commandId: GIT_COMMANDS.OPEN_CHANGED_FILE.id,
            when: 'scmProvider == git && scmResourceGroup == workingTree'
        });
        registerResourceAction('1_modification', {
            commandId: GIT_COMMANDS.DISCARD.id,
            when: 'scmProvider == git && scmResourceGroup == workingTree'
        });

registerMenus(menus: MenuModelRegistry): void {
        menus.registerMenuAction(EditorContextMenu.NAVIGATION, {
            commandId: GIT_COMMANDS.OPEN_FILE.id
        });
        menus.registerMenuAction(EditorContextMenu.NAVIGATION, {
            commandId: GIT_COMMANDS.OPEN_CHANGES.id
        });

        const registerResourceAction = (group: string, action: MenuAction) => {
            menus.registerMenuAction(ScmWidget.RESOURCE_INLINE_MENU, action);
            menus.registerMenuAction([...ScmWidget.RESOURCE_CONTEXT_MENU, group], action);
        };

        registerResourceAction('navigation', {
            commandId: GIT_COMMANDS.OPEN_CHANGED_FILE.id,
            when: 'scmProvider == git && scmResourceGroup == workingTree'
        });
        registerResourceAction('1_modification', {