Milovana.com

Code: Select all

// EOS PageManager extensions v1.1
// See: https://milovana.com/forum/viewtopic.php?p=288665
if (!pages.call) {

  /**
   * Set "pages.debug = true;" to enable debug output 
   */
  pages.debug = false;

  /**
   * Page call stack.
   */
  pages.stack = [];

  /**
   * Check if current list of pages contains a given page id
   * @pageId The name of the page you're testing for existance.
   * @return true if page exists, false if page does not
   */
  pages.contains = function (pageId) {
    // Store the original state of the page, if any.
    // (pages.isEnabled will always return true for pages that don't exist)
    var origState = pages.isEnabled(pageId)
    // Disable the page (will not store disabled state for pages that don't exist)
    pages.disable(pageId)
    // If the page is now disabled, it exists.  Missing pages will always return true. 
    var hasPage = !pages.isEnabled(pageId)
    // If the page exists, restore its state to what it was when we got here
    if (hasPage && origState) pages.enable(pageId)
    // Return our result
    return hasPage
  }
  
  /**
   * Record the current page on the page stack, and goto the given page.
   * @pageId Page you're calling
   * @altReturn Optional alternate return page.  Can be a function.
   * @return false if called page is invalid.  true if able to call page.
   */
  pages.call = function (pageId, altReturn) {
    if (pages.contains(pageId)) {
      pages.stack.push({
        caller: pages.getCurrentPageId(),
        altReturn: altReturn
      });
      if (pages.debug) console.log('Calling page: ', pageId, pages.stack[pages.stack.length-1]);
      pages.goto(pageId);
      return true;
    } else {
      console.error("Unable to call page.  Invalid pageId:", pageId)
      return false;
    }
  }

  /**
   * Pulls last page called from the page stack.  
   * (Don't use this unless you know what you're doing.)
   * @return page stack entry of last page called.  undefined if no pages on stack.
   */
  pages.popStack = function () {
    var poppedPage = pages.stack.pop();
    if (!poppedPage) {
      if (pages.debug) console.warn("Page stack is empty.  Unable to pop page.");
    }
    if (pages.debug) console.log('Pulled page from stack: ', poppedPage);
    return poppedPage;
  }

  /**
   * Clears page stack.
   * (Don't use this unless you know what you're doing.)
   */
  pages.clearStack = function () {
    if (pages.debug) console.log('Clearing ' + pages.stack.length + ' pages from page stack.', pages.stack);
    pages.stack = [];
  }

  /**
   * Return to last page called, or altReturn if in stack entry, after first executing altReturn if it's a function.
   */
  pages.returnToCaller = function () {
    var lastPage = pages.popStack();
    if (pages.debug) console.log('Returning to page caller: ', lastPage);
    if (lastPage) {
      var altReturn = lastPage.altReturn;
      if (typeof altReturn === 'function') {
        if (pages.debug) console.log('Executing altReturn callback');
        altReturn = altReturn();
      }
      if (altReturn) {
        if ((typeof altReturn === 'string') && pages.contains(altReturn)) {
          if (pages.debug) console.log('Returning to alternate caller page "' + altReturn 
            + '" instead of actual caller "' + lastPage.caller + '"');
          pages.goto(altReturn);
          return true;
        } else {
          if (pages.debug) console.warn('Alternate caller page "' + altReturn 
            + '" does not exist.  Skipping return to any caller."', lastPage);
          return false;
        }
      } else {
        if (pages.debug) console.warn('Returning to page caller:', lastPage.caller);
        pages.goto(lastPage.caller);
        return true;
      }
    } else {
      console.error('Unable to return to calling page.  Page stack is empty.');
      return false;
    }
  }

  /**
   * Reload current page.
   */
  pages.reload = function () {
    if (pages.debug) console.log('Realoding current page: ', pages.getCurrentPageId());
    pages.goto(pages.getCurrentPageId());
  }
}

Code: Select all

// EOS PageManager extensions v1.1
// See: https://milovana.com/forum/viewtopic.php?p=288665
pages.call||(pages.debug=!1,pages.stack=[],pages.contains=function(e){var a=pages.isEnabled(e);pages.disable(e);var g=!pages.isEnabled(e);return g&&a&&pages.enable(e),g},pages.call=function(e,a){return pages.contains(e)?(pages.stack.push({caller:pages.getCurrentPageId(),altReturn:a}),pages.debug&&console.log("Calling page: ",e,pages.stack[pages.stack.length-1]),pages.goto(e),!0):(console.error("Unable to call page.  Invalid pageId:",e),!1)},pages.popStack=function(){var e=pages.stack.pop();return e||pages.debug&&console.warn("Page stack is empty.  Unable to pop page."),pages.debug&&console.log("Pulled page from stack: ",e),e},pages.clearStack=function(){pages.debug&&console.log("Clearing "+pages.stack.length+" pages from page stack.",pages.stack),pages.stack=[]},pages.returnToCaller=function(){var e=pages.popStack();if(pages.debug&&console.log("Returning to page caller: ",e),e){var a=e.altReturn;return"function"==typeof a&&(pages.debug&&console.log("Executing altReturn callback"),a=a()),a?"string"==typeof a&&pages.contains(a)?(pages.debug&&console.log('Returning to alternate caller page "'+a+'" instead of actual caller "'+e.caller+'"'),pages.goto(a),!0):(pages.debug&&console.warn('Alternate caller page "'+a+'" does not exist.  Skipping return to any caller."',e),!1):(pages.debug&&console.warn("Returning to page caller:",e.caller),pages.goto(e.caller),!0)}return console.error("Unable to return to calling page.  Page stack is empty."),!1},pages.reload=function(){pages.debug&&console.log("Realoding current page: ",pages.getCurrentPageId()),pages.goto(pages.getCurrentPageId())});