Toolbar methods

add

Adds a new control to the toolbar

void add(object config, number index, string parent);

Parameter	Type	Description
config	object	an object with the control config
index	number	the index of the position to place the control into
parent	string	the id of a parent control (for the menuItem type)

richtext.toolbar.data.add({
    type: "button",
    value: "Count Characters",
    id: "calc"
}, 24);

Related samples: Custom Button

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remove

Removes a control from the toolbar

void remove(string id);

Parameter	Type	Description
id	string	the id of the control

richtext.toolbar.data.remove("undo");

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update

Updates configuration options of the control

void update(string id, object new_config);

Parameter	Type	Description
id	string	the id of the control
config	object	an object with new configuration of the control

var icons = [
    ["bold", "fas fa-bold"],
    ["underline", "fas fa-underline"],
    ["italic", "fas fa-italic"],
    ["strike", "fas fa-strikethrough"]
];

for (var i=0; i<icons.length; i++) {
   var toolbarId = icons[i][0];
   var iconName = icons[i][1];
   richtext.toolbar.data.update(toolbarId, {icon: iconName});
}

Related samples: Custom Icons