Walkthrough

This Angular model is inspired in part by ng-walkthrough for AngularJS.

Installation

npm i angular-walkthrough --save

Requirements

• Angular 16.1 and more
• Angular/cdk 16.1 and more

Old versions:

• For Angular 6~11 use 0.8.2
• For Angular 11~15 use 0.9.8

Demo

See a demo.

Usage

ng-walkthrough attributes

All attributes are optional.

• id: HTML id.

Output events

• ready: fired when the walkthrough is completely ready
• closed: fired when the walkthrough has been closed. It sends a boolean value set to true if the walkthrough has been closed with the "finishButton" button.
• finished: fired when the walkthrough has been finished, which means : closed on last step.

Focus zone:

• focusElementSelector: CSS selector for focus a HTML element. If the selector detect more that one, the only the first will be chosen.
• focusElementCSSClass: Add a class on focusElement
• focusHighlightAnimation: true for show highlight animation on the focus element. By default false.
• focusBackdrop: true for show a dark backdrop around the focus element. By default false.
• focusGlow: true for show a glow on the focus element. By default false.
• focusClick: add an action click on the highlight zone.
• typeSelector: type of selection. Two modes possible: element (one unique HTML element), zone (a zone with contains the first and last element). By default : element.
• radius: apply a “borderRadius” on highlight zone. If number the value as change in percent. If auto use the focused element borderRadius. If it's a simple string, use it without changes. By default, no radius.
• marginZone: add a margin of focus zone in px. (e.g. 12 15 12 13 for CSS 12px 15px 12px 13px, 12 15 for 12px 15px 12px 15px, 12 for 12px 12px 12px 12px.)
• scrollOnTarget: if the walkthrough detects that focusElementSelector is outside of the current view, scrolls automatically. By default : true
• visibilityCallback: callback to check if focusElementSelector is hidden, only if the walkthrough needs specific verification. By default : optional
• notScrollOnResize: do not scroll when resizing (e.g. may be required with dynamic menu on mobile)
• observerOptions: options of DOM detection changes (default: { attributes: false, childList: true, subtree: true })

Content:

• contentTemplate: add a ng-template with your description.
• contentText: show a simple description without formatting in content.
• contentStyle: background style for content container. By default : darken. Possible values: none, darken.
• alignContent: align the contentTemplate horizontally. . By default : left.
  • left : on the left
  • center : on the center of the page
  • right: on the right
  • content: center to the target content
• verticalAlignContent: align the contentTemplate vertically. By default : top. Possible values :
  • With target :
    • above : above content
    • top : top of content
    • center : center of content
    • bottom : bottom of content
    • below : below content
    • top-screen-center : no effect
  • Without target
    • above or top : top of the page
    • center : center of the page
    • bottom or below : bottom of the page
    • top-screen-center : center on the screen with scroll on top
• contentSpacing: The max space which separates the content to the focus zone horizontally, default is 0 (opposite of the focusZone)
• verticalContentSpacing: The max space which separates the content to the focus zone vertically, default is 50
• rootElement: root element on which walkthrough will scroll to after each positioning, as to avoid hidden zones

Navigation:

• hidePrevious: true to hide the previous button. By default false
• previousStep: add a link to go to the previous ng-walkthrough.
• nextStep: add a link to go to the next ng-walkthrough.
• hideNext: hide the next step link.
• HiveNav: hide the navigation step links.
• closeButton: true for show the button. By default false.
• closeAnywhere: false for click anywhere to close. By default true.
• finishButton: true for show a link to exit. By default false.
• disabled: true for ignoring the walkthrough based on a boolean flag. By default false.
• texts: change texts. It's an overlay of WalkthroughText.

Arrow:

• showArrow: true for show the arrow. By default false.
• arrowColor: change the arrow color. By default #FFF.

ng-walkthrough-flow attributes

All attributes are optional and not overriding the sub-components attributes except previousStep, nextStep that will be ignored.

• id: HTML id.

Output events

• closed: fired when a walkthrough has been closed. It sends a boolean value set to true if the walkthrough has been closed with the "finishButton" button.
• finished: fired when the last walkthrough has been closed.

Focus zone:

• focusHighlightAnimation: true for show highlight animation on the focus element.
• focusBackdrop: true for show a dark backdrop around the focus element.
• focusGlow: true for show a glow on the focus element.
• radius: apply a “borderRadius” on highlight zone. If number the value as change in percent. If auto use the focused element borderRadius. If it's a simple string, use it without changes.
• marginZone: add a margin of focus zone in px. (e.g. 12 15 12 13 for CSS 12px 15px 12px 13px, 12 15 for 12px 15px 12px 15px, 12 for 12px 12px 12px 12px.)
• notScrollOnResize: do not scroll when resizing (e.g. may be required with dynamic menu on mobile)
• observerOptions: options of DOM detection changes (default: { attributes: false, childList: true, subtree: true })

Content:

• contentStyle: background style for content container. Possible values: none, darken.
• rootElement: root element on which walkthrough will scroll to after each positioning, as to avoid hidden zones (facultative)

Navigation:

• hidePrevious: true to hide the previous button. By default false
• closeButton: true for show the button.
• closeAnywhere: false for for click anywhere to close.
• texts: change texts. It's a overlay of WalkthroughText.
• finishButton: true for show a link to exit. By default false. Always true on the last step.

Arrow:

• showArrow: true for show the arrow. By default false.
• arrowColor: change the arrow color. By default #FFF.

Change texts

It's possible to change all texts. With the texts directive attribute.

WalkthroughText {
    previous = 'Previous';
    next     = 'Next';
    close    = 'Close';
}

Statics methods

• WalkthroughComponent.walkthroughStop(): hide and stop the current walkthrough (impossible to open a new walkthrough). Does not work if no walkthrough is showed.
• WalkthroughComponent.walkthroughContinue(): show and continue the current walkthrough. Does not work if no walkthrough is paused.
• WalkthroughComponent.walkthroughHasShow(): if the a walkthrough is currently showing.
• WalkthroughComponent.walkthroughNext(): to load the next walkthrough.
• WalkthroughComponent.walkthroughPrevious(): to load the previous walkthrough.

Statics observable

• WalkthroughComponent.onOpen: on open
• WalkthroughComponent.onRefresh: on reshowing the current step
• WalkthroughComponent.onClose: on close
• WalkthroughComponent.onFinish: on close in the last step
• WalkthroughComponent.onNavigate: on navigate
• WalkthroughComponent.onNavigatePrevious: on navigate on the previous step
• WalkthroughComponent.onNavigateNext: on navigate on the next step

Example

Highlighting #selectorId element with example text in ng-template.

<ng-walkthrough
    id="wt-test"
    focusElementSelector="#selectorId"
    focusBackdrop="true"
    [contentTemplate]="template"
    closeButton="true"
>
    <ng-template #template>
        <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit...</p>
    </ng-template>
</ng-walkthrough>

Example of scenario with ng-walkthrough-flow:

<ng-walkthrough-flow
    #walkFlow
    id="wt-test-flow"
    focusBackdrop="true"
    focusHighlightAnimation="true"
    closeButton="true"
    closeAnywhere="false"
    showArrow="true"
    radius="auto"
    [texts]="frenchText"
>
    <ng-walkthrough
        id="wt-test1-flow"
        focusElementSelector="#test1"
        [contentText]="Lorem ipsum dolor sit amet, consectetur adipiscing elit..."
    >
    </ng-walkthrough>
    <ng-walkthrough
        id="wt-test2-flow"
        focusElementSelector="#test2"
        [contentText]="Lorem ipsum dolor sit amet, consectetur adipiscing elit..."
    >
    </ng-walkthrough>
    <ng-walkthrough
        id="wt-test3-flow"
        focusElementSelector="#test3"
        closeButton="true"
        [contentText]="Lorem ipsum dolor sit amet, consectetur adipiscing elit..."
    >
    </ng-walkthrough>
</ng-walkthrough-flow>

For more examples, see examples/example.component.html.

Publishing the library

npm run build:lib
cd dist/angular-walkthrough
npm publish

License

Like Angular, this module is released under the permissive MIT license. Your contributions are always welcome.