svg-layout-designer-react/public/smartcomponent/svg-layout-designer.ts

309 lines
12 KiB
TypeScript

namespace SmartBusiness.Web.Components {
/**
* Types macros
*/
type IHistoryState = SVGLD.IHistoryState;
type IEditorState = SVGLD.IEditorState;
export class SVGLayoutDesigner extends Components.ComponentBase {
public constructor(componentInfo: KnockoutComponentTypes.ComponentInfo, params: any) {
super(componentInfo, params);
this._hooks = {};
}
/**
* Return the HTML component handling the editor
*/
public GetEditorComponent() {
const component = this.$component[0]
.querySelector('iframe')
.contentDocument
.querySelector('.Editor');
if (component === undefined) {
throw new Error('[SVGLD] Cannot hook the event because the editor is not yet open')
}
return component;
}
/**
* Return the root HTML component of the SmartComponent
* In the iframe, it would be the document.
*/
public GetRootComponent() {
return this.$component[0]
.querySelector('iframe')
.contentDocument;
}
/// Custom Events ///
/**
* Return in a callback the current state in the history of the editor
* @param callback
*/
public GetCurrentHistoryState(callback: (state: IHistoryState) => void) {
const eventType = 'getCurrentHistoryState';
this.AddEventListener(callback, eventType);
const component = this.GetEditorComponent();
component.dispatchEvent(new CustomEvent(eventType));
}
/**
* Return in a callback the current state of the editor
* @param callback
*/
public GetEditorState(callback: (state: IEditorState) => void) {
const eventType = 'getEditorState';
this.AddEventListener(callback, eventType);
const component = this.GetEditorComponent();
component.dispatchEvent(new CustomEvent(eventType));
}
/**
* Set the current history of the editor
* @param history Whole history of the editor
* @param callback (optional)
*/
public SetEditorState(history: IHistoryState[], callback?: (state: IEditorState) => void) {
const eventType = 'setEditorState';
this.AddEventListener(callback, eventType);
const component = this.GetEditorComponent();
component.dispatchEvent(new CustomEvent(eventType, { detail: history }));
}
/**
* Revive the references in the editor state by mutation
* Useful after using JSON.stringify with a replacer
* @param editorState Editor state to revive
* @param callback Callback with the revived state
*/
public ReviveEditorState(editorState: IEditorState, callback: (state: IEditorState) => void) {
const eventType = 'reviveEditorState';
this.AddEventListener(callback, eventType);
const component = this.GetEditorComponent();
component.dispatchEvent(new CustomEvent(eventType, { detail: editorState }));
}
/**
* Revive the references in the history by mutation
* Useful after using JSON.stringify with a replacer
* @param history History to revive
* @param callback Callback with the revived state
*/
public ReviveHistory(history: IHistoryState[], callback: (state: IHistoryState[]) => void) {
const eventType = 'reviveHistory';
this.AddEventListener(callback, eventType);
const component = this.GetEditorComponent();
component.dispatchEvent(new CustomEvent(eventType, { detail: history }));
}
/**
* Add a new state to the editor
* @param historyState New history state to append
* @param callback
*/
public AppendNewHistoryState(historyState: IHistoryState, callback?: (state: IEditorState) => void) {
const eventType = 'appendNewState';
this.AddEventListener(callback, eventType);
this.GetEditorComponent().dispatchEvent(new CustomEvent(eventType, { detail: historyState }));
}
/**
* Create a new container at the given index position in a given parent container
* @param index Position to insert the container
* @param type Container type to create
* @param parentId Parent container of the new container
* @param callback
*/
public AddContainer(index: number, type: string, parentId: string, callback?: (state: IEditorState) => void) {
const eventType = 'addContainer';
this.AddEventListener(callback, eventType);
const detail = {
index,
type,
parentId
}
this.GetEditorComponent().dispatchEvent(new CustomEvent(eventType, { detail }));
}
/**
* Create a new container at the given index position in the current selected container
* @param index Position to insert the container
* @param type Container type to create
* @param callback
*/
public AddContainerToSelectedContainer(index: number, type: string, callback?: (state: IEditorState) => void) {
const eventType = 'addContainerToSelectedContainer';
this.AddEventListener(callback, eventType);
const detail = {
index,
type
}
this.GetEditorComponent().dispatchEvent(new CustomEvent(eventType, { detail }));
}
/**
* Append a new container in a given parent container
* @param type Container type to create
* @param parentId Parent container of the new container
* @param callback
*/
public AppendContainer(type: string, parentId: string, callback?: (state: IEditorState) => void) {
const eventType = 'appendContainer';
this.AddEventListener(callback, eventType);
const detail = {
type,
parentId
}
this.GetEditorComponent().dispatchEvent(new CustomEvent(eventType, { detail }));
}
/**
* Append a new container in the current selected container
* @param type Container type to create
* @param callback
*/
public AppendContainerToSelectedContainer(type: string, callback?: (state: IEditorState) => void) {
const eventType = 'appendContainerToSelectedContainer';
this.AddEventListener(callback, eventType);
const detail = {
type
}
this.GetEditorComponent().dispatchEvent(new CustomEvent(eventType, { detail }));
}
/**
* Select a container by id
* @param containerId Container's id to select
* @param callback
*/
public SelectContainer(containerId: string, callback?: (state: IEditorState) => void) {
const eventType = 'selectContainer';
this.AddEventListener(callback, eventType);
const detail = {
containerId
}
this.GetEditorComponent().dispatchEvent(new CustomEvent(eventType, { detail }));
}
/**
* Delete a container by id
* @param containerId Container's id to delete
* @param callback
*/
public DeleteContainer(containerId: string, callback?: (state: IEditorState) => void) {
const eventType = 'deleteContainer';
this.AddEventListener(callback, eventType);
const detail = {
containerId
}
this.GetEditorComponent().dispatchEvent(new CustomEvent(eventType, { detail }));
}
/**
* Create a new symbol
* @param name Name of the symbol present in the config
* @param callback
*/
public AddSymbol(name: string, callback?: (state: IEditorState) => void) {
const eventType = 'addSymbol';
this.AddEventListener(callback, eventType);
const detail = {
name
}
this.GetEditorComponent().dispatchEvent(new CustomEvent(eventType, { detail }));
}
/**
* Select a symbol by id
* @param symbolId Symbol's id to select
* @param callback
*/
public SelectSymbol(symbolId: string, callback?: (state: IEditorState) => void) {
const eventType = 'selectSymbol';
this.AddEventListener(callback, eventType);
const detail = {
symbolId
}
this.GetEditorComponent().dispatchEvent(new CustomEvent(eventType, { detail }));
}
/**
* Delete a symbol by id
* @param symbolId Symbol's id to delete
* @param callback
*/
public DeleteSymbol(symbolId: string, callback?: (state: IEditorState) => void) {
const eventType = 'deleteSymbol';
this.AddEventListener(callback, eventType);
const detail = {
symbolId
}
this.GetEditorComponent().dispatchEvent(new CustomEvent(eventType, { detail }));
}
/**
* Add the a new event listener that will be delete on call,
* optionnally call a callback
* @param callback Callback function to call in the event listener
* @param eventType Event type for the listener to listen to
*/
private AddEventListener(callback: ((...args: any[]) => void) | undefined, eventType: string) {
const root = this.GetRootComponent();
const listener = (e: CustomEvent) => {
e.target.removeEventListener(e.type, listener);
callback && callback(e.detail);
};
root.addEventListener(eventType, listener);
}
private static EDITOR_LISTENER_TYPE = 'editorListener';
private _hooks: Record<string, (e: CustomEvent) => void>;
/**
* Add a hook to the editor state change.
* After every time an action is perform on the editor, the callback will be called
* @param callback Callback to add that listen to the event
*/
public AddEditorListenerHook(hookId: string, callback: (state: IEditorState) => void): void {
const root = this.GetRootComponent();
const customEvent = (e: CustomEvent) => {
callback(e.detail);
}
if (this._hooks[hookId] !== undefined) {
console.error(`HookId is already occupied. Please use a different HookId: ${hookId}`);
return;
}
this._hooks[hookId] = customEvent;
root.addEventListener(SVGLayoutDesigner.EDITOR_LISTENER_TYPE, customEvent);
}
/**
* Remove a hook to the editor state change.
* @param callback Callback to remove that listen to the event
*/
public RemoveEditorListenerHook(hookId): void {
const root = this.GetRootComponent();
root.removeEventListener(SVGLayoutDesigner.EDITOR_LISTENER_TYPE, this._hooks[hookId]);
delete this._hooks[hookId];
}
}
ko.components.register('svg-layout-designer', {
viewModel: {
createViewModel: function (params, componentInfo) {
return new SmartBusiness.Web.Components.SVGLayoutDesigner(componentInfo, params);
}
},
template: { element: 'svg-layout-designer' }
});
}