i solved my case.
probably not the better way but here is the js modified :
Module.register('MMM-pages', {
// We require the older style of function declaration for compatibility
// reasons.
/**
* By default, we have don't pseudo-paginate any modules. We also exclude
* the page indicator by default, in case people actually want to use the
* sister module. We also don't rotate out modules by default.
*/
defaults: {
modules: [],
excludes: [], // Keep for compatibility
fixed: ['MMM-page-indicator'],
animationTime: 1000,
rotationTime: 0,
rotationFirstpage:0,
rotationDelay: 10000
},
/**
* Apply any styles, if we have any.
*/
getStyles: function () {
return ['pages.css'];
},
/**
* Modulo that also works with negative numbers.
*
* @param {number} x The dividend
* @param {number} n The divisor
*/
mod: function (x, n) {
return ((x % n) + n) % n;
},
/**
* Pseudo-constructor for our module. Makes sure that values aren't negative,
* and sets the default current page to 0.
*/
start: function () {
this.curPage = 0;
this.rotationPaused = false;
// Compatibility
if (this.config.excludes.length) {
Log.warn('[Pages]: The config option "excludes" is deprecated. Please use "fixed" instead.');
this.config.fixed = this.config.excludes;
}
// Disable rotation if an invalid input is given
this.config.rotationTime = Math.max(this.config.rotationTime, 0);
this.config.rotationDelay = Math.max(this.config.rotationDelay, 0);
this.config.rotationFirstpage = Math.max(this.config.rotationFirstpage, 0);
},
/**
* Handles incoming notifications. Responds to the following:
* 'PAGE_CHANGED' - Set the page to the specified payload page.
* 'PAGE_INCREMENT' - Move to the next page.
* 'PAGE_DECREMENT' - Move to the previous page.
* 'DOM_OBJECTS_CREATED' - Starts the module.
* 'QUERY_PAGE_NUMBER' - Requests the current page number
*
* @param {string} notification the notification ID
* @param {number} payload the page to change to/by
*/
notificationReceived: function (notification, payload) {
switch (notification) {
case 'PAGE_CHANGED':
Log.log('[Pages]: received a notification '
+ `to change to page ${payload} of type ${typeof payload}`);
this.curPage = payload;
this.updatePages();
break;
case 'PAGE_INCREMENT':
Log.log('[Pages]: received a notification to increment pages!');
this.changePageBy(payload, 1);
this.updatePages();
break;
case 'PAGE_DECREMENT':
Log.log('[Pages]: received a notification to decrement pages!');
// We can't just pass in -payload for situations where payload is null
// JS will coerce -payload to -0.
this.changePageBy(payload ? -payload : payload, -1);
this.updatePages();
break;
case 'DOM_OBJECTS_CREATED':
Log.log('[Pages]: received that all objects are created;'
+ 'will now hide things!');
this.sendNotification('MAX_PAGES_CHANGED', this.config.modules.length);
this.animatePageChange();
this.resetTimerWithDelay(0);
break;
case 'QUERY_PAGE_NUMBER':
this.sendNotification('PAGE_NUMBER_IS', this.curPage);
break;
case 'PAUSE_ROTATION':
if (!this.rotationPaused) {
Log.log('[Pages]: pausing rotation due to notification');
clearInterval(this.timer);
clearInterval(this.delayTimer);
this.rotationPaused = true;
} else {
Log.warn('[Pages]: Was asked to paused but rotation was already paused!');
}
break;
case 'RESUME_ROTATION':
if (this.rotationPaused) {
Log.log('[Pages]: resuming rotation due to notification');
this.resetTimerWithDelay(this.rotationDelay);
this.rotationPaused = false;
} else {
Log.warn('[Pages]: Was asked to resume but rotation was not paused!');
}
break;
default: // Do nothing
}
},
/**
* Changes the internal page number by the specified amount. If the provided
* amount is invalid, use the fallback amount. If the fallback amount is
* missing or invalid, do nothing.
*
* @param {number} amt the amount of pages to move forward by. Accepts
* negative numbers.
* @param {number} fallback the fallback value to use. Accepts negative
* numbers.
*/
changePageBy: function (amt, fallback) {
if (typeof amt !== 'number') {
Log.warn(`[Pages]: ${amt} is not a number!`);
}
if (typeof amt === 'number' && !Number.isNaN(amt)) {
this.curPage = this.mod(
this.curPage + amt,
this.config.modules.length
);
} else if (typeof fallback === 'number') {
this.curPage = this.mod(
this.curPage + fallback,
this.config.modules.length
);
}
},
/**
* Handles hiding the current page's elements and showing the next page's
* elements.
*/
updatePages: function () {
// Update iff there's at least one page.
if (this.config.modules.length !== 0) {
this.animatePageChange();
if (!this.rotationPaused) {
this.resetTimerWithDelay(this.config.rotationDelay);
}
this.sendNotification('NEW_PAGE', this.curPage);
} else { Log.error("[Pages]: Pages aren't properly defined!"); }
},
/**
* Animates the page change from the previous page to the current one. This
* assumes that there is a discrepancy between the page currently being shown
* and the page that is meant to be shown.
*/
animatePageChange: function () {
const self = this;
// Hides all modules not on the current page. This hides any module not
// meant to be shown.
MM.getModules()
.exceptWithClass(this.config.fixed)
.exceptWithClass(this.config.modules[this.curPage])
.enumerate(module => module.hide(
self.config.animationTime / 2,
{ lockString: self.identifier }
));
// Shows all modules meant to be on the current page, after a small delay.
setTimeout(() => {
MM.getModules()
.withClass(self.config.modules[self.curPage])
.enumerate((module) => {
module.show(
self.config.animationTime / 2,
{ lockString: self.identifier }
);
});
}, this.config.animationTime / 2);
},
/**
* Resets the page changing timer with a delay.
*
* @param {number} delay the delay, in milliseconds.
*/
resetTimerWithDelay: function (delay) {
if (this.config.rotationTime > 0) {
// This timer is the auto rotate function.
clearInterval(this.timer);
// This is delay timer after manually updating.
clearInterval(this.delayTimer);
const self = this;
this.delayTimer = setTimeout(() => {
self.timer = setInterval(() => {
self.sendNotification('PAGE_INCREMENT');
self.changePageBy(1);
self.updatePages();
}, self.config.rotationTime);
}, delay);
}if (this.config.rotationFirstpage > 0) {
// This timer is the auto rotate function.
clearInterval(this.timer);
// This is delay timer after manually updating.
clearInterval(this.delayTimer);
const self = this;
this.delayTimer = setTimeout(() => {
self.timer = setInterval(() => {
self.sendNotification('PAGE_CHANGED', 0);
self.changePageBy(-this.curPage);
self.updatePages();
}, self.config.rotationFirstpage);
}, delay);
}
},
});
