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/* Copyright 2009-2011 Canonical Ltd. This software is licensed under the
* GNU Affero General Public License version 3 (see the file LICENSE).
*
* @module lp.translations.importqueue
* @requires oop, event, node, widget, plugin, overlay,lazr.choiceedit
*/
YUI.add('lp.translations.importqueue', function(Y) {
var namespace = Y.namespace('lp.translations.importqueue');
/**
* HTML for the "this entry has error output" icon. This does not include the
* fold/unfold triangle shown next to it.
*/
var base_button = '<span class="info sprite"></span>';
/**
* HTML for panel showing an entry's error output. The spinner icon is
* replaced by the actual error output as it comes in.
*/
var output_panel_html =
'<tr class="discreet secondary output-panel"><td>' +
'<div><img src="/@@/spinner" alt="loading..." /></div>' +
'</td></tr>';
/**
* Compose HTML for the error-output button: the basic button plus the
* fold/unfold triangle.
*/
var compose_button = function(shown) {
return base_button +
(shown ?
'<span class="treeExpanded sprite"></span>' :
'<span class="treeCollapsed sprite"></span>');
};
/**
* Replace given button (or initial placeholder, if the page is only just
* rendering) with one in the given state.
*
* This removes the entire old button and replaces it with a new one. That's
* one sure-fire way of getting rid of the old one's click-event handler,
* which is otherwise a brittle procedure and at the same time hard to test.
*/
var alter_button = function(button, shown) {
var button_field = button.get('parentNode');
var text =
'<div class="new show-output">' +
compose_button(shown) +
'</div>';
new_button = button_field.create(text);
button_field.replaceChild(new_button, button);
new_button.on('click', (shown ? hide_output : show_output));
return button_field.get('parentNode');
};
/**
* Remove the error-output panel pointed at by event.
*/
var hide_output = function(e) {
var row = alter_button(e.currentTarget, false);
var output_panel = row.next();
if (output_panel.hasClass("output-panel")) {
output_panel.get('parentNode').removeChild(output_panel);
}
};
/**
* Factory for error-output request (and response handlers) for a given
* output panel.
*/
var output_loader = function(node) {
return {
on: {
success: function(entry) {
var output_block = entry.get('error_output');
var error_pre = node.create('<pre></pre>');
error_pre.appendChild(document.createTextNode(output_block));
node.set('innerHTML', null);
node.appendChild(error_pre);
},
failure: function(errcode) {
node.set(
'innerHTML',
'<strong>ERROR: could not retrieve output. ' +
'Please try again later.</strong>');
}
}
};
};
/**
* Button has been clicked. Reveal output panel and request error output from
* the Launchpad web service.
*/
var show_output = function(e) {
var row = alter_button(e.currentTarget, true);
var table = row.get('parentNode');
var entry_id = row.get('id');
var output = table.create(output_panel_html);
table.insertBefore(output, row.next());
var entry_uri = '+imports/' + entry_id;
var div = output.one('div');
var lp = new Y.lp.client.Launchpad();
lp.get(entry_uri, output_loader(div));
};
/**
* Create a choice widget for a given status picker. The function's signature
* is meant for it to be called from Node.each for each node that contains
* a settable status.
* The base configuration for the widget is taken from the choice_confs array
* which is defined in a code fragment that is included in the page via TAL.
*/
var init_status_choice = function(content_box, index, list) {
// Reveal the status widget.
content_box.removeClass('hidden');
var conf = choice_confs[index];
conf.title = 'Change status to';
conf.contentBox = content_box;
var status_choice = new Y.ChoiceSource(conf);
status_choice.showError = function(err) {
Y.lp.app.errors.display_error(null, err);
};
var entry_id = content_box.ancestor(function(node){
return node.hasClass('import_entry_row');
}).get('id');
status_choice.on('save', function(e) {
var value_box = content_box.one('.value');
var new_status = status_choice.get('value');
value_box.setContent(new_status);
config = {
on: {
success: function(entry) {
Y.Array.each(conf.items, function(item) {
if (item.value === new_status) {
value_box.addClass(item.css_class);
} else {
value_box.removeClass(item.css_class);
}
});
}
},
parameters: {
new_status: new_status
}
};
Y.log(config);
lp_client = new Y.lp.client.Launchpad();
var entry_uri = '+imports/' + entry_id;
lp_client.named_post(entry_uri, 'setStatus', config);
});
status_choice.render();
};
/**
* Replace placeholders for error-output buttons
* with actual buttons, and make them functional.
*/
var init_error_output_buttons = function() {
var button_markers = Y.all('.show-output');
button_markers.set('innerHTML', compose_button(false));
button_markers.on('click', show_output);
};
/**
* Set up the import queue page.
*/
namespace.initialize_import_queue_page = function (Y) {
// Set up error output buttons.
init_error_output_buttons();
// Set up status pickers.
Y.all('.status-choice').each(init_status_choice);
};
}, "0.1", {
// "oop" and "event" are required to fix known bugs in YUI, which
// are apparently fixed in a later version.
"requires": ["oop", "event", "node", "widget", "plugin", "overlay",
"lazr.choiceedit", "lp.client", "lp.client.plugins",
"lp.app.errors"]});
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