modules/imagecache/imagecache_ui.pages.inc

<?php
// $Id: imagecache_ui.pages.inc,v 1.5 2009/05/03 16:31:43 drewish Exp $

/**
 * Preset Admin callbacks and required functions.
 */
function imagecache_ui_preset_overview() {
  $header = array(t('Preset Name'), t('Storage'), t('Actions'));
  $rows = array();
  // Always clear the preset cache on this display.
  foreach (imagecache_presets(TRUE) as $preset) {
    $row = array();
    $row[] = l($preset['presetname'], 'admin/build/imagecache/'. $preset['presetid']);
    $links = array();
    switch ($preset['storage']) {
      case IMAGECACHE_STORAGE_DEFAULT:
        $row[] = t('Default');
        $links[] = l(t('View'), 'admin/build/imagecache/'. $preset['presetid']);
        $links[] = l(t('Flush'), 'admin/build/imagecache/'. $preset['presetid'] .'/flush' );
        break;
      case IMAGECACHE_STORAGE_OVERRIDE:
        $row[] = t('Override');
        $links[] = l(t('Edit'), 'admin/build/imagecache/'. $preset['presetid']);
        $links[] = l(t('Revert'), 'admin/build/imagecache/'. $preset['presetid'] .'/delete');
        $links[] = l(t('Flush'), 'admin/build/imagecache/'. $preset['presetid'] .'/flush' );
        $links[] = l(t('Export'), 'admin/build/imagecache/'. $preset['presetid'] .'/export' );
        break;
      case IMAGECACHE_STORAGE_NORMAL:
        $row[] = t('Normal');
        $links[] = l(t('Edit'), 'admin/build/imagecache/'. $preset['presetid']);
        $links[] = l(t('Delete'), 'admin/build/imagecache/'. $preset['presetid'] .'/delete');
        $links[] = l(t('Flush'), 'admin/build/imagecache/'. $preset['presetid'] .'/flush' );
        $links[] = l(t('Export'), 'admin/build/imagecache/'. $preset['presetid'] .'/export' );
        break;
    }
    $row[] = implode('&nbsp;&nbsp;&nbsp;&nbsp;', $links);
    $rows[] = $row;
  }
  $output = theme('table', $header, $rows);
  return $output;
}

function imagecache_ui_preset_delete_form($form_state, $preset = array()) {
  if (empty($preset)) {
    drupal_set_message(t('The specified preset was not found'), 'error');
    drupal_goto('admin/build/imagecache');
  }

  $form = array();
  $form['presetid'] = array('#type' => 'value', '#value' => $preset['presetid']);
  return confirm_form(
    $form,
    t('Are you sure you want to delete the preset %preset?',
      array('%preset' => $preset['presetname'])
    ),
    'admin/build/imagecache',
    t('This action cannot be undone.'),
    t('Delete'),  t('Cancel')
  );
}

function imagecache_ui_preset_delete_form_submit($form, &$form_state) {
  $preset = imagecache_preset($form_state['values']['presetid']);
  imagecache_preset_delete($preset);
  drupal_set_message(t('Preset %name (ID: @id) was deleted.', array('%name' => $preset['presetname'], '@id' => $preset['presetid'])));
  $form_state['redirect'] = 'admin/build/imagecache';
}


function imagecache_ui_preset_flush_form(&$form_state, $preset = array()) {
  if (empty($preset)) {
    drupal_set_message(t('The specified preset was not found'), 'error');
    $form_state['redirect'] = 'admin/build/imagecache';
  }

  $form = array();
  $form['presetid'] = array('#type' => 'value', '#value' => $preset['presetid']);
  return confirm_form(
    $form,
    t('Are you sure you want to flush the preset %preset?',
      array('%preset' => $preset['presetname'])
    ),
    'admin/build/imagecache',
    t('This action cannot be undone.'),
    t('Flush'),  t('Cancel')
  );
}

function imagecache_ui_preset_flush_form_submit($form, &$form_state) {
  $preset = imagecache_preset($form_state['values']['presetid']);
  imagecache_preset_flush($preset);
  drupal_set_message(t('Preset %name (ID: @id) was flushed.', array('%name' => $preset['presetname'], '@id' => $preset['presetid'])));
  $form_state['redirect'] = 'admin/build/imagecache';
}


/**
 * Imagecache preset export form.
 */
function imagecache_ui_preset_export_form(&$form_state, $preset = array()) {
  if (empty($preset)) {
    drupal_set_message(t('The specified preset was not found'), 'error');
    $form_state['redirect'] = 'admin/build/imagecache';
  }

  if (isset($preset['presetid'])) {
    unset($preset['presetid']);
  }
  if (isset($preset['storage'])) {
    unset($preset['storage']);
  }
  foreach ($preset['actions'] as $id => $action) {
    unset($preset['actions'][$id]['actionid']);
    unset($preset['actions'][$id]['presetid']);
  }
  $exported = '$presets = array();';
  $exported .= "\n";
  $exported .= '$presets[\''. $preset['presetname'] .'\'] = ';
  $exported .= var_export($preset, TRUE) .';';
  $rows = substr_count($exported, "\n") + 1;

  $form = array();
  $form['export'] = array(
    '#type' => 'textarea',
    '#default_value' => $exported,
    '#rows' => $rows,
    '#resizable' => FALSE,
  );
  return $form;
}


function imagecache_ui_preset_form($form_state, $preset = array()) {
  $form = array();

  $form['presetid'] = array(
    '#type' => 'value',
    '#value' => $preset['presetid'],
  );

  // Browsers don't submit disabled form values so we've got to put two copies
  // of the name on the form: one for the submit handler and one for the user.
  if ($preset['storage'] === IMAGECACHE_STORAGE_DEFAULT) {
    $form['presetname'] = array(
      '#type' => 'value',
      '#value' => $preset['presetname'],
    );
    $form['presetname_display'] = array(
      '#type' => 'textfield',
      '#size' => '64',
      '#title' => t('Preset Namespace'),
      '#default_value' => $preset['presetname'],
      '#disabled' => TRUE,
    );
  }
  else {
    $form['presetname'] = array(
      '#type' => 'textfield',
      '#size' => '64',
      '#title' => t('Preset Namespace'),
      '#default_value' => $preset['presetname'],
      '#description' => t('The namespace is used in URL\'s for images to tell imagecache how to process an image. Please only use alphanumeric characters, underscores (_), and hyphens (-) for preset names.'),
      '#validate' => array('imagecache_element_presetname_validate' => array()),
    );
  }

  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => $preset['storage'] === IMAGECACHE_STORAGE_DEFAULT ? t('Override Defaults') : t('Save Preset'),
    '#weight' => 9,
  );

  // For new presets don't show the preview or all actions to be added.
  if (empty($preset['presetid'])) {
    return $form;
  }

  $form['actions'] = array(
    '#type' => 'fieldset',
    '#title' => t('Actions'),
    '#tree' => TRUE,
    '#theme' => 'imagecache_ui_preset_actions',
  );

  foreach ($preset['actions'] as $i => $action) {
    // skip unknown actions...
    if (!$definition = imagecache_action_definition($action['action'])) {
      continue;
    }
    $action_form['name'] = array(
      '#value' => t($definition['name']),
    );

    $action_form['action'] = array(
      '#type' => 'value',
      '#value' => $action['action'],
    );
    $action_form['actionid'] = array(
      '#type' => 'value',
      '#value' => $action['actionid'],
    );
    $action_form['presetid'] = array(
      '#type' => 'value',
      '#value' => $action['presetid'],
    );

    $action_form['settings'] = array(
      '#theme' => $action['action'],
      '#value' => $action['data'],
    );
    $action_form['data'] = array(
      '#type' => 'value',
      '#value' => $action['data'],
    );
    $action_form['weight'] = array(
      '#type' => 'weight',
      '#default_value' => $action['weight'],
      '#access' => $preset['storage'] !== IMAGECACHE_STORAGE_DEFAULT,
    );
    $action_form['configure'] = array(
      '#value' => l(t('Configure'), 'admin/build/imagecache/'. $action['presetid'] .'/'. $action['actionid'] ),
      '#access' => $preset['storage'] !== IMAGECACHE_STORAGE_DEFAULT,
    );
    $action_form['remove'] = array(
      '#value' => l(t('Delete'), 'admin/build/imagecache/'. $action['presetid'] .'/'. $action['actionid'] .'/delete'),
      '#access' => $preset['storage'] !== IMAGECACHE_STORAGE_DEFAULT,
    );
    $form['actions'][$i] = $action_form;
  }

  $form['actions']['new'] = array(
    '#tree' => FALSE,
    '#type' => 'fieldset',
    '#title' => t('New Actions'),
    '#collapsible' => TRUE,
    '#collapsed' => count($preset['actions']) > 0,
    '#access' => $preset['storage'] !== IMAGECACHE_STORAGE_DEFAULT,
  );
  foreach (imagecache_action_definitions() as $action => $definition) {
    $form['actions']['new'][] = array(
      '#type' => 'markup',
      '#prefix' => '<div>',
      '#suffix' => '</div>',
      '#value' => l(t('Add !action', array('!action' => $definition['name'])),
                    'admin/build/imagecache/'.  $preset['presetid'] .'/add/'. $action) .
                    ' - '. $definition['description'],
    );
  }

  // Display a preview image for this action. Put it below the submit button so
  // users don't have to do a bunch of scrolling.
  $preview_path = file_create_path('imagecache_sample.png');
  if (!file_exists($preview_path)) {
    // Copy of the image into the files directory so rather than generating it
    // from the original so we don't end up creating subdirectories mirroring
    // the path to the this module.
    $preview_path = drupal_get_path('module', 'imagecache_ui') .'/sample.png';
    file_copy($preview_path, 'imagecache_sample.png');
  }
  imagecache_image_flush($preview_path);
  $imagecache_path = imagecache_create_url($preset['presetname'], $preview_path, TRUE);
  $form['preview'] = array(
    '#type' => 'item',
    '#title' => t('Preview'),
    '#value' => l($imagecache_path, $imagecache_path) .'<br />'. l("<img src='$imagecache_path' />", $imagecache_path, array('html' => TRUE)),
    '#weight' => 10,
  );

  return $form;
}

function imagecache_ui_preset_form_validate($form, &$form_state) {
  $values = $form_state['values'];
  // Check for duplicates
  foreach (imagecache_presets() as $preset) {
    if ($values['presetname'] == $preset['presetname'] && $values['presetid'] != $preset['presetid']) {
      form_set_error('presetname', t('The preset name you have chosen is already in use.'));
      break;
    }
  }

  // Check for illegal characters in preset names
  if (preg_match('/[^0-9a-zA-Z_\-]/', $values['presetname'])) {
    form_set_error('presetname', t('Please only use alphanumeric characters, underscores (_), and hyphens (-) for preset names.'));
  }
}

function imagecache_ui_preset_form_submit($form, &$form_state) {
  // Save the preset first to retrieve the presetid when overriding
  $preset = imagecache_preset_save($form_state['values']);

  // Populate the presetid as needed for overrides
  if (isset($form_state['values']['actions'])) {
    foreach($form_state['values']['actions'] as $action) {
      if (empty($action['presetid'])) {
        $action['presetid'] = $preset['presetid'];
      }
      imagecache_action_save($action);
    }
  }

  // Push back to the preset form
  $form_state['redirect'] = 'admin/build/imagecache/'. $preset['presetid'];
}

function theme_imagecache_ui_preset_actions($form) {
  $header = array(t('Action'), t('Settings'));
  // $header = array(, t('Weight'), '','');
  $rows = array();
  foreach(element_children($form) as $key) {
    if (!is_numeric($key)) {
      continue;
    }
    $row = array();
    $row[] = drupal_render($form[$key]['name']);
    $row[] = drupal_render($form[$key]['settings']);

    // Check for form access before rendering these portions of the table / header
    if (!empty($form[$key]['weight']['#access'])) {
      if (empty($header['weight'])) {
        $header['weight'] = t('Weight');
      }
      $form[$key]['weight']['#attributes']['class'] = 'imagecache-action-order-weight';
      $row[] = drupal_render($form[$key]['weight']);
    }
    if (!empty($form[$key]['configure']['#access'])) {
      if (empty($header['configure'])) {
        $header['configure'] = '';
      }
      $row[] = drupal_render($form[$key]['configure']);
    }
    if (!empty($form[$key]['remove']['#access'])) {
      if (empty($header['remove'])) {
        $header['remove'] = '';
      }
      $row[] = drupal_render($form[$key]['remove']);
    }
    $rows[] = array(
      'data' => $row,
      'class' => 'draggable',
    );
  }

  $output = '';
  if ($rows) {
    drupal_add_tabledrag('imagecache-preset-actions', 'order', 'sibling', 'imagecache-action-order-weight');
    $output = theme('table', $header, $rows, array('id' => 'imagecache-preset-actions'));
  }
  $output .= drupal_render($form);
  return $output;
}


/**
 * Page with form for adding a new action to add to a preset.
 */
function imagecache_ui_action_add_page($preset, $actionname) {
  // Make sure the name is valid.
  if (!$definition = imagecache_action_definition($actionname)) {
    drupal_set_message(t('Unknown action.'), 'error');
    drupal_goto('admin/build/imagecache/'. $preset['presetid']);
  }
  $action = array(
    'presetid' => $preset['presetid'],
    'action' => $actionname,
    'data' => array(),
  );
  return drupal_get_form('imagecache_ui_action_form', $preset, $action);
}


function imagecache_ui_action_form($form_state, $preset, $action) {
  // Do some error checking.
  if (empty($preset['presetid'])) {
    drupal_set_message(t('Unknown preset.'), 'error');
    drupal_goto('admin/build/imagecache');
  }
  if (empty($action['action']) || !$definition = imagecache_action_definition($action['action'])) {
    drupal_set_message(t('Unknown action.'), 'error');
    drupal_goto('admin/build/imagecache/'. $preset['presetid']);
  }
  if ($action['presetid'] != $preset['presetid']) {
    drupal_set_message(t('This %action action is not associated %preset preset.', array('%action' => $action['action'], '%preset' => $preset['presetname'])), 'error');
    drupal_goto('admin/build/imagecache/'. $preset['presetid']);
  }

  $form['#tree'] = TRUE;
  $form['presetid'] = array(
    '#type' => 'value',
    '#value' => $action['presetid'],
  );
  $form['actionid'] = array(
    '#type' => 'value',
    '#value' => $action['actionid'],
  );
  $form['action'] = array(
    '#type' => 'value',
    '#value' => $action['action'],
  );

  if (!empty($definition['file'])) {
    require_once($definition['file']);
  }
  if (function_exists($action['action'] .'_form')) {
    $form['data'] = call_user_func($action['action'] .'_form', $action['data']);
  }

  $form['submit'] = array(
    '#type' => 'submit',
    '#value' => empty($action['actionid']) ? t('Create Action') : t('Update Action'),
  );
  return $form;
}

function imagecache_ui_action_form_submit($form, &$form_state) {
  imagecache_action_save($form_state['values']);
  if (empty($form_state['values']['presetid'])) {
    drupal_set_message(t('The action was succesfully created.'));
  }
  else {
    drupal_set_message(t('The action was succesfully updated.'));
  }
  $form_state['redirect'] = 'admin/build/imagecache/'. $form_state['values']['presetid'];
}


function imagecache_ui_action_delete_form($form_state, $preset = array(), $action = array()) {
  if (empty($action)) {
    drupal_set_message(t('Unknown Action.'), 'error');
    drupal_goto('admin/build/imagecache');
  }
  if (empty($preset)) {
    drupal_set_message(t('Unknown Preset.'), 'error');
    drupal_goto('admin/build/imagecache');
  }

  $form = array();
  $form['actionid'] = array('#type' => 'value', '#value' => $action['actionid']);
  return confirm_form(
    $form,
    t('Are you sure you want to delete the !action action from preset !preset?',
      array('!preset' => $preset['presetname'], '!action' => $action['name'])
    ),
    'admin/build/imagecache',
    t('This action cannot be undone.'),
    t('Delete'),  t('Cancel')
  );
}

function imagecache_ui_action_delete_form_submit($form, &$form_state) {
  $action = imagecache_action($form_state['values']['actionid']);
  imagecache_action_delete($action);
  drupal_set_message(t('The action has been deleted.'));
  $form_state['redirect'] = 'admin/build/imagecache/'. $action['presetid'];
}
1	<?php
2	// $Id: imagecache_ui.pages.inc,v 1.5 2009/05/03 16:31:43 drewish Exp $
3
4	/**
5	* Preset Admin callbacks and required functions.
6	*/
7	function imagecache_ui_preset_overview() {
8	$header = array(t('Preset Name'), t('Storage'), t('Actions'));
9	$rows = array();
10	// Always clear the preset cache on this display.
11	foreach (imagecache_presets(TRUE) as $preset) {
12	$row = array();
13	$row[] = l($preset['presetname'], 'admin/build/imagecache/'. $preset['presetid']);
14	$links = array();
15	switch ($preset['storage']) {
16	case IMAGECACHE_STORAGE_DEFAULT:
17	$row[] = t('Default');
18	$links[] = l(t('View'), 'admin/build/imagecache/'. $preset['presetid']);
19	$links[] = l(t('Flush'), 'admin/build/imagecache/'. $preset['presetid'] .'/flush' );
20	break;
21	case IMAGECACHE_STORAGE_OVERRIDE:
22	$row[] = t('Override');
23	$links[] = l(t('Edit'), 'admin/build/imagecache/'. $preset['presetid']);
24	$links[] = l(t('Revert'), 'admin/build/imagecache/'. $preset['presetid'] .'/delete');
25	$links[] = l(t('Flush'), 'admin/build/imagecache/'. $preset['presetid'] .'/flush' );
26	$links[] = l(t('Export'), 'admin/build/imagecache/'. $preset['presetid'] .'/export' );
27	break;
28	case IMAGECACHE_STORAGE_NORMAL:
29	$row[] = t('Normal');
30	$links[] = l(t('Edit'), 'admin/build/imagecache/'. $preset['presetid']);
31	$links[] = l(t('Delete'), 'admin/build/imagecache/'. $preset['presetid'] .'/delete');
32	$links[] = l(t('Flush'), 'admin/build/imagecache/'. $preset['presetid'] .'/flush' );
33	$links[] = l(t('Export'), 'admin/build/imagecache/'. $preset['presetid'] .'/export' );
34	break;
35	}
36	$row[] = implode('    ', $links);
37	$rows[] = $row;
38	}
39	$output = theme('table', $header, $rows);
40	return $output;
41	}
42
43	function imagecache_ui_preset_delete_form($form_state, $preset = array()) {
44	if (empty($preset)) {
45	drupal_set_message(t('The specified preset was not found'), 'error');
46	drupal_goto('admin/build/imagecache');
47	}
48
49	$form = array();
50	$form['presetid'] = array('#type' => 'value', '#value' => $preset['presetid']);
51	return confirm_form(
52	$form,
53	t('Are you sure you want to delete the preset %preset?',
54	array('%preset' => $preset['presetname'])
55	),
56	'admin/build/imagecache',
57	t('This action cannot be undone.'),
58	t('Delete'), t('Cancel')
59	);
60	}
61
62	function imagecache_ui_preset_delete_form_submit($form, &$form_state) {
63	$preset = imagecache_preset($form_state['values']['presetid']);
64	imagecache_preset_delete($preset);
65	drupal_set_message(t('Preset %name (ID: @id) was deleted.', array('%name' => $preset['presetname'], '@id' => $preset['presetid'])));
66	$form_state['redirect'] = 'admin/build/imagecache';
67	}
68
69
70	function imagecache_ui_preset_flush_form(&$form_state, $preset = array()) {
71	if (empty($preset)) {
72	drupal_set_message(t('The specified preset was not found'), 'error');
73	$form_state['redirect'] = 'admin/build/imagecache';
74	}
75
76	$form = array();
77	$form['presetid'] = array('#type' => 'value', '#value' => $preset['presetid']);
78	return confirm_form(
79	$form,
80	t('Are you sure you want to flush the preset %preset?',
81	array('%preset' => $preset['presetname'])
82	),
83	'admin/build/imagecache',
84	t('This action cannot be undone.'),
85	t('Flush'), t('Cancel')
86	);
87	}
88
89	function imagecache_ui_preset_flush_form_submit($form, &$form_state) {
90	$preset = imagecache_preset($form_state['values']['presetid']);
91	imagecache_preset_flush($preset);
92	drupal_set_message(t('Preset %name (ID: @id) was flushed.', array('%name' => $preset['presetname'], '@id' => $preset['presetid'])));
93	$form_state['redirect'] = 'admin/build/imagecache';
94	}
95
96
97	/**
98	* Imagecache preset export form.
99	*/
100	function imagecache_ui_preset_export_form(&$form_state, $preset = array()) {
101	if (empty($preset)) {
102	drupal_set_message(t('The specified preset was not found'), 'error');
103	$form_state['redirect'] = 'admin/build/imagecache';
104	}
105
106	if (isset($preset['presetid'])) {
107	unset($preset['presetid']);
108	}
109	if (isset($preset['storage'])) {
110	unset($preset['storage']);
111	}
112	foreach ($preset['actions'] as $id => $action) {
113	unset($preset['actions'][$id]['actionid']);
114	unset($preset['actions'][$id]['presetid']);
115	}
116	$exported = '$presets = array();';
117	$exported .= "\n";
118	$exported .= '$presets[\''. $preset['presetname'] .'\'] = ';
119	$exported .= var_export($preset, TRUE) .';';
120	$rows = substr_count($exported, "\n") + 1;
121
122	$form = array();
123	$form['export'] = array(
124	'#type' => 'textarea',
125	'#default_value' => $exported,
126	'#rows' => $rows,
127	'#resizable' => FALSE,
128	);
129	return $form;
130	}
131
132
133	function imagecache_ui_preset_form($form_state, $preset = array()) {
134	$form = array();
135
136	$form['presetid'] = array(
137	'#type' => 'value',
138	'#value' => $preset['presetid'],
139	);
140
141	// Browsers don't submit disabled form values so we've got to put two copies
142	// of the name on the form: one for the submit handler and one for the user.
143	if ($preset['storage'] === IMAGECACHE_STORAGE_DEFAULT) {
144	$form['presetname'] = array(
145	'#type' => 'value',
146	'#value' => $preset['presetname'],
147	);
148	$form['presetname_display'] = array(
149	'#type' => 'textfield',
150	'#size' => '64',
151	'#title' => t('Preset Namespace'),
152	'#default_value' => $preset['presetname'],
153	'#disabled' => TRUE,
154	);
155	}
156	else {
157	$form['presetname'] = array(
158	'#type' => 'textfield',
159	'#size' => '64',
160	'#title' => t('Preset Namespace'),
161	'#default_value' => $preset['presetname'],
162	'#description' => t('The namespace is used in URL\'s for images to tell imagecache how to process an image. Please only use alphanumeric characters, underscores (_), and hyphens (-) for preset names.'),
163	'#validate' => array('imagecache_element_presetname_validate' => array()),
164	);
165	}
166
167	$form['submit'] = array(
168	'#type' => 'submit',
169	'#value' => $preset['storage'] === IMAGECACHE_STORAGE_DEFAULT ? t('Override Defaults') : t('Save Preset'),
170	'#weight' => 9,
171	);
172
173	// For new presets don't show the preview or all actions to be added.
174	if (empty($preset['presetid'])) {
175	return $form;
176	}
177
178	$form['actions'] = array(
179	'#type' => 'fieldset',
180	'#title' => t('Actions'),
181	'#tree' => TRUE,
182	'#theme' => 'imagecache_ui_preset_actions',
183	);
184
185	foreach ($preset['actions'] as $i => $action) {
186	// skip unknown actions...
187	if (!$definition = imagecache_action_definition($action['action'])) {
188	continue;
189	}
190	$action_form['name'] = array(
191	'#value' => t($definition['name']),
192	);
193
194	$action_form['action'] = array(
195	'#type' => 'value',
196	'#value' => $action['action'],
197	);
198	$action_form['actionid'] = array(
199	'#type' => 'value',
200	'#value' => $action['actionid'],
201	);
202	$action_form['presetid'] = array(
203	'#type' => 'value',
204	'#value' => $action['presetid'],
205	);
206
207	$action_form['settings'] = array(
208	'#theme' => $action['action'],
209	'#value' => $action['data'],
210	);
211	$action_form['data'] = array(
212	'#type' => 'value',
213	'#value' => $action['data'],
214	);
215	$action_form['weight'] = array(
216	'#type' => 'weight',
217	'#default_value' => $action['weight'],
218	'#access' => $preset['storage'] !== IMAGECACHE_STORAGE_DEFAULT,
219	);
220	$action_form['configure'] = array(
221	'#value' => l(t('Configure'), 'admin/build/imagecache/'. $action['presetid'] .'/'. $action['actionid'] ),
222	'#access' => $preset['storage'] !== IMAGECACHE_STORAGE_DEFAULT,
223	);
224	$action_form['remove'] = array(
225	'#value' => l(t('Delete'), 'admin/build/imagecache/'. $action['presetid'] .'/'. $action['actionid'] .'/delete'),
226	'#access' => $preset['storage'] !== IMAGECACHE_STORAGE_DEFAULT,
227	);
228	$form['actions'][$i] = $action_form;
229	}
230
231	$form['actions']['new'] = array(
232	'#tree' => FALSE,
233	'#type' => 'fieldset',
234	'#title' => t('New Actions'),
235	'#collapsible' => TRUE,
236	'#collapsed' => count($preset['actions']) > 0,
237	'#access' => $preset['storage'] !== IMAGECACHE_STORAGE_DEFAULT,
238	);
239	foreach (imagecache_action_definitions() as $action => $definition) {
240	$form['actions']['new'][] = array(
241	'#type' => 'markup',
242	'#prefix' => '<div>',
243	'#suffix' => '</div>',
244	'#value' => l(t('Add !action', array('!action' => $definition['name'])),
245	'admin/build/imagecache/'. $preset['presetid'] .'/add/'. $action) .
246	' - '. $definition['description'],
247	);
248	}
249
250	// Display a preview image for this action. Put it below the submit button so
251	// users don't have to do a bunch of scrolling.
252	$preview_path = file_create_path('imagecache_sample.png');
253	if (!file_exists($preview_path)) {
254	// Copy of the image into the files directory so rather than generating it
255	// from the original so we don't end up creating subdirectories mirroring
256	// the path to the this module.
257	$preview_path = drupal_get_path('module', 'imagecache_ui') .'/sample.png';
258	file_copy($preview_path, 'imagecache_sample.png');
259	}
260	imagecache_image_flush($preview_path);
261	$imagecache_path = imagecache_create_url($preset['presetname'], $preview_path, TRUE);
262	$form['preview'] = array(
263	'#type' => 'item',
264	'#title' => t('Preview'),
265	'#value' => l($imagecache_path, $imagecache_path) .'<br />'. l("<img src='$imagecache_path' />", $imagecache_path, array('html' => TRUE)),
266	'#weight' => 10,
267	);
268
269	return $form;
270	}
271
272	function imagecache_ui_preset_form_validate($form, &$form_state) {
273	$values = $form_state['values'];
274	// Check for duplicates
275	foreach (imagecache_presets() as $preset) {
276	if ($values['presetname'] == $preset['presetname'] && $values['presetid'] != $preset['presetid']) {
277	form_set_error('presetname', t('The preset name you have chosen is already in use.'));
278	break;
279	}
280	}
281
282	// Check for illegal characters in preset names
283	if (preg_match('/[^0-9a-zA-Z_\-]/', $values['presetname'])) {
284	form_set_error('presetname', t('Please only use alphanumeric characters, underscores (_), and hyphens (-) for preset names.'));
285	}
286	}
287
288	function imagecache_ui_preset_form_submit($form, &$form_state) {
289	// Save the preset first to retrieve the presetid when overriding
290	$preset = imagecache_preset_save($form_state['values']);
291
292	// Populate the presetid as needed for overrides
293	if (isset($form_state['values']['actions'])) {
294	foreach($form_state['values']['actions'] as $action) {
295	if (empty($action['presetid'])) {
296	$action['presetid'] = $preset['presetid'];
297	}
298	imagecache_action_save($action);
299	}
300	}
301
302	// Push back to the preset form
303	$form_state['redirect'] = 'admin/build/imagecache/'. $preset['presetid'];
304	}
305
306	function theme_imagecache_ui_preset_actions($form) {
307	$header = array(t('Action'), t('Settings'));
308	// $header = array(, t('Weight'), '','');
309	$rows = array();
310	foreach(element_children($form) as $key) {
311	if (!is_numeric($key)) {
312	continue;
313	}
314	$row = array();
315	$row[] = drupal_render($form[$key]['name']);
316	$row[] = drupal_render($form[$key]['settings']);
317
318	// Check for form access before rendering these portions of the table / header
319	if (!empty($form[$key]['weight']['#access'])) {
320	if (empty($header['weight'])) {
321	$header['weight'] = t('Weight');
322	}
323	$form[$key]['weight']['#attributes']['class'] = 'imagecache-action-order-weight';
324	$row[] = drupal_render($form[$key]['weight']);
325	}
326	if (!empty($form[$key]['configure']['#access'])) {
327	if (empty($header['configure'])) {
328	$header['configure'] = '';
329	}
330	$row[] = drupal_render($form[$key]['configure']);
331	}
332	if (!empty($form[$key]['remove']['#access'])) {
333	if (empty($header['remove'])) {
334	$header['remove'] = '';
335	}
336	$row[] = drupal_render($form[$key]['remove']);
337	}
338	$rows[] = array(
339	'data' => $row,
340	'class' => 'draggable',
341	);
342	}
343
344	$output = '';
345	if ($rows) {
346	drupal_add_tabledrag('imagecache-preset-actions', 'order', 'sibling', 'imagecache-action-order-weight');
347	$output = theme('table', $header, $rows, array('id' => 'imagecache-preset-actions'));
348	}
349	$output .= drupal_render($form);
350	return $output;
351	}
352
353
354	/**
355	* Page with form for adding a new action to add to a preset.
356	*/
357	function imagecache_ui_action_add_page($preset, $actionname) {
358	// Make sure the name is valid.
359	if (!$definition = imagecache_action_definition($actionname)) {
360	drupal_set_message(t('Unknown action.'), 'error');
361	drupal_goto('admin/build/imagecache/'. $preset['presetid']);
362	}
363	$action = array(
364	'presetid' => $preset['presetid'],
365	'action' => $actionname,
366	'data' => array(),
367	);
368	return drupal_get_form('imagecache_ui_action_form', $preset, $action);
369	}
370
371
372	function imagecache_ui_action_form($form_state, $preset, $action) {
373	// Do some error checking.
374	if (empty($preset['presetid'])) {
375	drupal_set_message(t('Unknown preset.'), 'error');
376	drupal_goto('admin/build/imagecache');
377	}
378	if (empty($action['action']) \|\| !$definition = imagecache_action_definition($action['action'])) {
379	drupal_set_message(t('Unknown action.'), 'error');
380	drupal_goto('admin/build/imagecache/'. $preset['presetid']);
381	}
382	if ($action['presetid'] != $preset['presetid']) {
383	drupal_set_message(t('This %action action is not associated %preset preset.', array('%action' => $action['action'], '%preset' => $preset['presetname'])), 'error');
384	drupal_goto('admin/build/imagecache/'. $preset['presetid']);
385	}
386
387	$form['#tree'] = TRUE;
388	$form['presetid'] = array(
389	'#type' => 'value',
390	'#value' => $action['presetid'],
391	);
392	$form['actionid'] = array(
393	'#type' => 'value',
394	'#value' => $action['actionid'],
395	);
396	$form['action'] = array(
397	'#type' => 'value',
398	'#value' => $action['action'],
399	);
400
401	if (!empty($definition['file'])) {
402	require_once($definition['file']);
403	}
404	if (function_exists($action['action'] .'_form')) {
405	$form['data'] = call_user_func($action['action'] .'_form', $action['data']);
406	}
407
408	$form['submit'] = array(
409	'#type' => 'submit',
410	'#value' => empty($action['actionid']) ? t('Create Action') : t('Update Action'),
411	);
412	return $form;
413	}
414
415	function imagecache_ui_action_form_submit($form, &$form_state) {
416	imagecache_action_save($form_state['values']);
417	if (empty($form_state['values']['presetid'])) {
418	drupal_set_message(t('The action was succesfully created.'));
419	}
420	else {
421	drupal_set_message(t('The action was succesfully updated.'));
422	}
423	$form_state['redirect'] = 'admin/build/imagecache/'. $form_state['values']['presetid'];
424	}
425
426
427	function imagecache_ui_action_delete_form($form_state, $preset = array(), $action = array()) {
428	if (empty($action)) {
429	drupal_set_message(t('Unknown Action.'), 'error');
430	drupal_goto('admin/build/imagecache');
431	}
432	if (empty($preset)) {
433	drupal_set_message(t('Unknown Preset.'), 'error');
434	drupal_goto('admin/build/imagecache');
435	}
436
437	$form = array();
438	$form['actionid'] = array('#type' => 'value', '#value' => $action['actionid']);
439	return confirm_form(
440	$form,
441	t('Are you sure you want to delete the !action action from preset !preset?',
442	array('!preset' => $preset['presetname'], '!action' => $action['name'])
443	),
444	'admin/build/imagecache',
445	t('This action cannot be undone.'),
446	t('Delete'), t('Cancel')
447	);
448	}
449
450	function imagecache_ui_action_delete_form_submit($form, &$form_state) {
451	$action = imagecache_action($form_state['values']['actionid']);
452	imagecache_action_delete($action);
453	drupal_set_message(t('The action has been deleted.'));
454	$form_state['redirect'] = 'admin/build/imagecache/'. $action['presetid'];
455	}