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<?php
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// $Id: workflow.pages.inc,v 1.1 2008/08/05 01:55:06 jvandyk Exp $
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/**
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* @file
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* Provide user interface for changing workflow state.
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*/
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/**
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* Menu callback. Display workflow summary of a node.
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*/
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function workflow_tab_page($node = NULL) {
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drupal_set_title(check_plain($node->title));
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$wid = workflow_get_workflow_for_type($node->type);
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$states_per_page = variable_get('workflow_states_per_page', 20);
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$result = db_query("SELECT sid, state FROM {workflow_states} WHERE status = 1 ORDER BY sid");
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while ($data = db_fetch_object($result)) {
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$states[$data->sid] = $data->state;
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}
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$deleted_states = array();
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$result = db_query("SELECT sid, state FROM {workflow_states} WHERE status = 0 ORDER BY sid");
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while ($data = db_fetch_object($result)) {
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$deleted_states[$data->sid] = $data->state;
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}
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$current = workflow_node_current_state($node);
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// theme_workflow_current_state() must run state through check_plain().
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$output = '<p>'. t('Current state: !state', array('!state' => theme('workflow_current_state', $states[$current]))) . "</p>\n";
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$output .= drupal_get_form('workflow_tab_form', $node, $wid, $states, $current);
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$result = pager_query("SELECT h.*, u.name FROM {workflow_node_history} h LEFT JOIN {users} u ON h.uid = u.uid WHERE nid = %d ORDER BY hid DESC", $states_per_page, 0, NULL, $node->nid);
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$rows = array();
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while ($history = db_fetch_object($result)) {
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if ($history->sid == $current && !isset($deleted_states[$history->sid]) && !isset($current_themed)) {
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// Theme the current state differently so it stands out.
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$state_name = theme('workflow_current_state', $states[$history->sid]);
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// Make a note that we have themed the current state; other times in the history
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// of this node where the node was in this state do not need to be specially themed.
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$current_themed = TRUE;
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}
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elseif (isset($deleted_states[$history->sid])) {
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// The state has been deleted, but we include it in the history.
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$state_name = theme('workflow_deleted_state', $deleted_states[$history->sid]);
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$footer_needed = TRUE;
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}
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else {
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// Regular state.
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$state_name = check_plain($states[$history->sid]);
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}
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if (isset($deleted_states[$history->old_sid])) {
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$old_state_name = theme('workflow_deleted_state', $deleted_states[$history->old_sid]);
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$footer_needed = TRUE;
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}
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else {
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$old_state_name = check_plain($states[$history->old_sid]);
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}
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$rows[] = theme('workflow_history_table_row', $history, $old_state_name, $state_name);
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}
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$output .= theme('workflow_history_table', $rows, !empty($footer_needed));
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$output .= theme('pager', $states_per_page);
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return $output;
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}
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/*
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* Theme one workflow history table row.
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*/
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function theme_workflow_history_table_row($history, $old_state_name, $state_name) {
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return array(
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format_date($history->stamp),
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$old_state_name,
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$state_name,
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theme('username', $history),
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filter_xss($history->comment, array('a', 'em', 'strong')),
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);
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}
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/*
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* Theme entire workflow history table.
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*/
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function theme_workflow_history_table($rows, $footer) {
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$output = theme('table', array(t('Date'), t('Old State'), t('New State'), t('By'), t('Comment')), $rows, array('class' => 'workflow_history'), t('Workflow History'));
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if ($footer) {
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$output .= t('*State is no longer available.');
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}
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return $output;
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}
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/**
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* Theme the current state in the workflow history table.
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*/
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function theme_workflow_current_state($state_name) {
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return '<strong>'. check_plain($state_name) .'</strong>';
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}
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/**
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* Theme a deleted state in the workflow history table.
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*/
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function theme_workflow_deleted_state($state_name) {
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return check_plain($state_name) .'*';
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}
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/**
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* Form builder. Allow workflow state change and scheduling from workflow tab.
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*
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* @param $node
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* Node for which workflow information will be displayed.
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* @param $wid
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* ID of workflow to display.
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* @param $states
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* Array of states for the workflow.
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* @param $current
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* Current workflow state of this node.
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* @return
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* Form definition array.
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*/
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function workflow_tab_form($form_state, &$node, $wid, $states, $current) {
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$form['#tab'] = TRUE;
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$choices = workflow_field_choices($node);
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$min = $states[$current] == t('(creation)') ? 1 : 2;
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// Only build form if user has possible target state(s).
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if (count($choices) >= $min) {
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$wid = workflow_get_workflow_for_type($node->type);
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$workflow = workflow_load($wid);
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$form['#wf'] = $workflow;
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$name = check_plain($workflow->name);
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// See if scheduling information is present.
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if ($node->_workflow_scheduled_timestamp && $node->_workflow_scheduled_sid) {
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global $user;
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if (variable_get('configurable_timezones', 1) && $user->uid && strlen($user->timezone)) {
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$timezone = $user->timezone;
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}
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else {
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$timezone = variable_get('date_default_timezone', 0);
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}
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// The default value should be the upcoming sid.
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$current = $node->_workflow_scheduled_sid;
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$timestamp = $node->_workflow_scheduled_timestamp;
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$comment = $node->_workflow_scheduled_comment;
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}
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// Include the same form elements here that are included on a
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// regular node editing page. $form is modified by reference.
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workflow_node_form($form, $form_state, t('Change %s state', array('%s' => $name)), $name, $current, $choices, $timestamp, $comment);
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$form['node'] = array(
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'#type' => 'value',
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'#value' => $node,
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);
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$form['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Submit')
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);
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}
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return $form;
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}
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/**
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* Submit handler for the form on the workflow tab.
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*
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* @see workflow_tab_form
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*/
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function workflow_tab_form_submit($form, &$form_state) {
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// The entire node object was stashed in the form.
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$node = $form_state['values']['node'];
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$node->workflow = $form_state['values']['workflow'];
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$node->workflow_comment = $form_state['values']['workflow_comment'];
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$node->workflow_scheduled = $form_state['values']['workflow_scheduled'];
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$node->workflow_scheduled_date = $form_state['values']['workflow_scheduled_date'];
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$node->workflow_scheduled_hour = $form_state['values']['workflow_scheduled_hour'];
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// Call node_save() to make sure any handlers that use the
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// new workflow values will see them.
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node_save($node);
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$form_state['redirect'] = 'node/' . $node->nid;
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}
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