opera.extension.tabs.getSelected()

By Opera Software

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Description:

The getSelected() method provides a way to obtain the currently selected browser tab, either globally or within the context window or context tab group. The value returned is based on the following algorithm:

1. If this is the global tab manager, return a BrowserTab object representing the currently selected browser tab within the currently selected browser window, if any. Otherwise, return null.
2. If this is a window tab manager, return a BrowserTab object representing the currently selected browser tab within the context window, if any. Otherwise, return null.
3. If this is a group tab manager, return a BrowserTab object representing the currently selected browser tab within the context tab group, if any. Otherwise, return null.

Parameters:

None

Syntax:

BrowserTab getSelected ()

Example:

The following example creates a button on the browser toolbar. When the button is clicked, the current tab is detected and a tab is then created to the left of it.

//
// The background process (e.g. index.html)
//

// Specify the properties of the button before creating it.
var UIItemProperties = {
  disabled: false,
  title: "Example extension",
  icon: "images/icon_18.png",
  onclick: function() {
    // Get the current tab as a BrowserTab object
    var thisTab = opera.extension.tabs.getSelected();

    // Create a tab with the specified URL
    var tab = opera.extension.tabs.create({url: '../../../'}, thisTab);
  }
};

// Create the button and add it to the toolbar.
var button = opera.contexts.toolbar.createItem( UIItemProperties );
opera.contexts.toolbar.addItem(button);

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