Conceal and Reveal every marker on the map

Question

Conceal and Reveal every marker on the map

Creating a map using angular to display data on the web page and Google Map is my current project.

This is my first major project utilizing Angular, and I have nearly achieved the functionality as planned. I am eager to enhance the site with more user-friendly features.

Click here to see the working code.

View the code on GitHub.

I have incorporated two buttons for hiding or showing all markers, but I am encountering errors such as clearMarkers, showMarkers, and allSetMap not being defined. When clicked, these buttons should be able to:

- Hide all markers except the one with the open info window - Show all markers I also intend to include code to remove the polyline and restore all markers to their original state upon clicking the "clear directions" button, selecting one of the options in the top image bar, or utilizing the hide/show markers buttons.

Any form of assistance or guidance you can offer would be greatly appreciated! Simple code, advice, or direction would be preferable as I am still a novice in this area. Forks are welcomed. I am keen to learn and code correctly. Your guidance will be immensely valued.

Here is the HTML code for the data and map:

Your rewritten content...

The controller code may seem messy, but it functions mostly well, excluding the mentioned issues. Here is the controller code:

Your rewritten content...

javascript angularjs dictionary google-maps-api-3 markers

Answer 1

Answer №1

One issue that may be causing errors in your code is the attempt to call the setAllMap() function as a global function when it only exists on the $scope object.

// The `map` argument is unused and redundant
$scope.setAllMap = function(map) {
    for (var i = 0; i < $scope.bars.length; i++){
          createMarker($scope.bars[i]);
    }  
}

// Calling setAllMap with map does nothing
$scope.setAllMap(map); 

$scope.clearMarkers = function(map) {
    // Since setAllMap only exists on $scope, trying to call it without referencing $scope will result in 'setAllMap is undefined'

    // To fix this, change it to $scope.setAllMap()

    // Additionally, passing null to setAllMap has no effect
    setAllMap(null);


}

Answer 2

One issue that may be causing errors in your code is the attempt to call the setAllMap() function as a global function when it only exists on the $scope object.

// The `map` argument is unused and redundant
$scope.setAllMap = function(map) {
    for (var i = 0; i < $scope.bars.length; i++){
          createMarker($scope.bars[i]);
    }  
}

// Calling setAllMap with map does nothing
$scope.setAllMap(map); 

$scope.clearMarkers = function(map) {
    // Since setAllMap only exists on $scope, trying to call it without referencing $scope will result in 'setAllMap is undefined'

    // To fix this, change it to $scope.setAllMap()

    // Additionally, passing null to setAllMap has no effect
    setAllMap(null);


}

Conceal and Reveal every marker on the map

Answer №1

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