Extend Image Picker to forms other than node forms

I'll see if I can put together a patch in the next few days.

Yes, if it works, it would allow that.

Hutch - As a proof of concept, I've managed to include the imagepicker iframe on other forms. However, the insert button doesn't work when I do this. I'm not clear enough on the inner workings of the module to be able to fix this.

What I've done so far is the following:
1) Changed imapicker_form_alter() (in imagepicker.module) to the following:

/**
 * Implementation of hook_form_alter().
 */
function imagepicker_form_alter(&$form, &$form_state, $form_id) {
  global $user;

  $node_type = FALSE;
  $comment = FALSE;
  $block = FALSE;
  $custom_form = FALSE;
  $weight = 1;
  if (isset($form['#node'])) {
    $node = $form['#node'];
    $node_types = node_get_types('names');
    $node_type = in_array($node->type, variable_get('imagepicker_node_types_enabled', array_keys($node_types)), TRUE);
  }
  elseif (module_exists('comment') && variable_get('imagepicker_comment_enabled', 0) && preg_match('/comment_form$/i', $form_id) ) {
    $comment = TRUE;
    $weight = 1;
  }
  // blocks
  elseif (( $form_id == 'block_add_block_form' || $form_id == 'block_admin_configure' ) && variable_get('imagepicker_blocks_enabled', 0)) {
    $block = TRUE;
    $weight = 1;
  }
  if(!$node_type && !$comment && !$block) {
    $custom_forms = explode(PHP_EOL, variable_get('image_picker_custom_forms', ''));
    if(is_array($custom_forms) && count($custom_forms)) {
      foreach($custom_forms as $cf) {
        if(trim($cf) == $form_id) {
          $custom_form = TRUE;
          break;
        }
      }
    }
  }
  if (user_access('use imagepicker') && ($node_type || $block || $comment || $custom_form)) {
    $width = variable_get('imagepicker_advanced_iframe_width', "100%");
    if ( isset($user->imagepicker_advanced_iframe_width) && $user->imagepicker_advanced_iframe_width ) {
      $width = $user->imagepicker_advanced_iframe_width;
    }
    if (! preg_match("/%$/", $width)) {
      $width .= 'px';
    }
    $height = variable_get('imagepicker_advanced_iframe_height', 500);
    if (isset($user->imagepicker_advanced_iframe_height) && $user->imagepicker_advanced_iframe_height ) {
      $height = $user->imagepicker_advanced_iframe_height;
    }
    $border = variable_get('imagepicker_advanced_iframe_border', "0");
    if (isset($user->imagepicker_advanced_iframe_border)) {
      $border = $user->imagepicker_advanced_iframe_border;
    }

    if (imagepicker_get_thickbox_perms()) {
      $iurl = l('Run imagepicker', 'imagepicker' );
    }
    elseif (imagepicker_get_colorbox_perms()) {
      $iurl = l('Run imagepicker', 'imagepicker', array(
        'query' => array('width' => $width, 'height' => $height, 'iframe' => 'true'),
        'attributes' => array('class' => 'colorbox-load')
      ));
    }
    else {
      $iurl = '<iframe id="imagepicker" style="width: '. $width .'; height: '. $height .'px; border: '. $border .';" src="'. url('imagepicker') .'">Imagepicker requires iframe support.</iframe>';
    }

    if (($node_type && preg_match('/node_form$/i', $form_id) ) || $comment || $custom_form) {
      $form['body_field']['body_filter']['file_upload'] = array(
        '#type' => 'fieldset',
        '#title' => t('Image picker'),
        '#collapsible' => 1,
        '#collapsed' => variable_get('imagepicker_advanced_collapsed', 0),
        '#weight' => $weight,
      );

      $form['body_field']['body_filter']['#weight'] = 2;
      $form['body_field']['body_filter']['file_upload']['mpframe'] = array(
        '#type' => 'markup',
        '#value' => '<div id="imgp_tb">'. $iurl .'</div>',
      );
      $form['body_field']['#prefix'] = '<a name="body_hash"></a>'. $form['body_field']['#prefix'];
    }
    elseif ($block) {
      $form['block_settings']['file_upload'] = array(
        '#type' => 'fieldset',
        '#title' => t('Image picker'),
        '#collapsible' => TRUE,
        '#collapsed' => (isset($user->imagepicker_advanced_collapsed) ? $user->imagepicker_advanced_collapsed : variable_get('imagepicker_advanced_collapsed', 0)),
        '#weight' => $weight,
      );
      $form['block_settings']['file_upload']['mpframe'] = array(
        '#type' => 'markup',
        '#value' => '<div id="imgp_tb">'. $iurl .'</div>',
      );
      $form['block_settings']['#prefix'] = '<a name="body_hash"></a>'. $form['block_settings']['#prefix'];
    }
  }
}

2) Added the following form element to imagepicker_settings_form() (in imagepicker.admin.inc):

  $form['imagepicker_settings']['image_picker_custom_forms'] = array(
    '#type' => 'textarea',
	'#title' => t('Custom Forms'),
	'#description' => t('Enter the form ID of any custom forms you want the image picker added to, one per line.'),
	'#default_value' => variable_get('image_picker_custom_forms', ''),
  );

This creates a textarea on the settings page that allows for a list of form_ids to be added for any forms that should have the imagepicker added. The imagepicker is then added to the form in question (though in the wrong spot - but I figure that's something that can be dealt with later). I'm not too sure on where to go from here though.

I looked through this a bunch more - I ran into a brick wall (for today). In order to insert the data into the textfield where the cursor lies, the javascript needs to know the text area where the curosor lies. This can be done through a process of elimination when the imagepicker can only be used in node forms, comments and blocks, but when extended to any other form, it's harder to do. I haven't figured out a solution yet.

It's your choice to close this, but it would be nice if the functionality could be provided in the future.

I got 2/3 of the way earlier in the thread. I'll have to look at it again sometime in the future. I'm deep into three projects right now, so it's not going to happen in the next month or so.