60 lines
2.8 KiB
JavaScript
60 lines
2.8 KiB
JavaScript
"use strict";
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/** Connect CMap toolbar actions to an editor and application callbacks. */
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export class CmapEditorUiController {
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constructor({ root, getEditor, actions = {} }) {
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this.root = root;
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this.getEditor = getEditor;
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this.actions = actions;
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this.listeners = [];
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}
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bind(selector, event, handler) {
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const element = this.root.querySelector(selector);
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if (!element) return;
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const listener = (eventObject) => handler(eventObject, this.getEditor());
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element.addEventListener(event, listener);
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this.listeners.push(() => element.removeEventListener(event, listener));
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}
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/**
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* Bind every standard CMap toolbar action once.
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* result : This controller, so the host may retain the initialized instance.
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*/
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initialize() {
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this.bind("#cmap-save-map", "click", () => this.actions.save?.());
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this.bind("#cmap-undo", "click", (_event, editor) => editor?.undo());
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this.bind("#cmap-redo", "click", (_event, editor) => editor?.redo());
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this.bind("#cmap-select-all", "click", (_event, editor) => editor?.selectAll());
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this.bind("#cmap-delete-selected", "click", (_event, editor) => editor?.deleteSelection());
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this.bind("#cmap-edit-selected", "click", () => this.actions.edit?.());
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this.bind("#cmap-copy-selected", "click", (_event, editor) => editor?.copySelectionReferences());
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this.bind("#cmap-cut-selected", "click", (_event, editor) => editor?.cutSelectionReferences());
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this.bind("#cmap-paste-concepts", "click", (_event, editor) => editor?.pasteConceptReferences());
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this.bind("#cmap-group-selected", "click", () => this.actions.group?.());
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this.bind("#cmap-ungroup-selected", "click", (_event, editor) => editor?.ungroupSelection());
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this.bind("#cmap-hide-selected", "click", (_event, editor) => editor?.hideSelectionInCurrentContext());
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this.bind("#cmap-zoom-out", "click", () => this.actions.zoom?.(-10));
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this.bind("#cmap-zoom-in", "click", () => this.actions.zoom?.(10));
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this.bind("#cmap-zoom-reset", "click", () => this.actions.zoom?.(100, true));
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this.bind("#cmap-zoom-percent", "change", (event) => this.actions.zoom?.(event.target.value, true));
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this.bind("#cmap-toggle-page-guides", "click", () => this.actions.togglePageGuides?.());
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this.bind("#cmap-selection-toolbar", "click", (event, editor) => {
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const button = event.target.closest("button");
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if (!button || button.disabled || !editor) return;
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if (button.dataset.cmapLayout) {
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editor.applySelectionLayout(button.dataset.cmapLayout);
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} else {
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this.actions.selection?.(button.dataset.cmapSelectionAction, editor);
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}
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});
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return this;
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}
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/** Remove every listener installed by initialize before the host is disposed. */
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destroy() {
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for (const remove of this.listeners) remove();
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this.listeners = [];
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}
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}
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