horizon/horizon/static/horizon/js/horizon.forms.js

268 lines
9.2 KiB
JavaScript

/* Namespace for core functionality related to Forms. */
horizon.forms = {
handle_snapshot_source: function() {
$("div.table_wrapper, #modal_wrapper").on("change", "select#id_snapshot_source", function(evt) {
var $option = $(this).find("option:selected");
var $form = $(this).closest('form');
var $volName = $form.find('input#id_name');
if ($volName.val() == "") {
$volName.val($option.data("name"));
}
var $volSize = $form.find('input#id_size');
var volSize = parseInt($volSize.val(), 10) || -1;
var dataSize = parseInt($option.data("size"), 10) || -1;
if (volSize < dataSize) {
$volSize.val(dataSize);
}
});
},
handle_volume_source: function() {
$("div.table_wrapper, #modal_wrapper").on("change", "select#id_volume_source", function(evt) {
var $option = $(this).find("option:selected");
var $form = $(this).closest('form');
var $volName = $form.find('input#id_name');
if ($volName.val() == "") {
$volName.val($option.data("name"));
}
var $volSize = $form.find('input#id_size');
var volSize = parseInt($volSize.val(), 10) || -1;
var dataSize = parseInt($option.data("size"), 10) || -1;
if (volSize < dataSize) {
$volSize.val(dataSize);
}
});
},
handle_image_source: function() {
$("div.table_wrapper, #modal_wrapper").on("change", "select#id_image_source", function(evt) {
var $option = $(this).find("option:selected");
var $form = $(this).closest('form');
var $volName = $form.find('input#id_name');
if ($volName.val() == "") {
$volName.val($option.data("name"));
}
var $volSize = $form.find('input#id_size');
var volSize = parseInt($volSize.val(), 10) || -1;
var dataSize = parseInt($option.data("size"), 10) || -1;
var minDiskSize = parseInt($option.data("min_disk"), 10) || -1;
var defaultVolSize = dataSize;
if (minDiskSize > defaultVolSize) {
defaultVolSize = minDiskSize;
}
if (volSize < defaultVolSize) {
$volSize.val(defaultVolSize);
}
});
},
/**
* In the container's upload object form, copy the selected file name in the
* object name field if the field is empty. The filename string is stored in
* the input as an attribute "filename". The value is used as comparison to
* compare with the value of the new filename string.
*/
handle_object_upload_source: function() {
$("div.table_wrapper, #modal_wrapper").on("change", "input#id_object_file", function(evt) {
if (typeof($(this).attr("filename")) == 'undefined') {
$(this).attr("filename", "");
}
var $form = $(this).closest("form");
var $obj_name = $form.find("input#id_name");
var $fullPath = $(this).val();
var $startIndex = ($fullPath.indexOf('\\') >= 0 ? $fullPath.lastIndexOf('\\') : $fullPath.lastIndexOf('/'));
var $filename = $fullPath.substring($startIndex);
if ($filename.indexOf('\\') === 0 || $filename.indexOf('/') === 0) {
$filename = $filename.substring(1);
}
if (typeof($obj_name.val()) == 'undefined' || $(this).attr("filename").localeCompare($obj_name.val()) == 0) {
$obj_name.val($filename);
$(this).attr("filename", $filename);
}
});
},
datepicker: function() {
var startDate = $('input#id_start').datepicker()
.on('changeDate', function(ev) {
if (ev.date.valueOf() > endDate.date.valueOf()) {
var newDate = new Date(ev.date);
newDate.setDate(newDate.getDate() + 1);
endDate.setValue(newDate);
$('input#id_end')[0].focus();
}
startDate.hide();
endDate.update();
}).data('datepicker');
var endDate = $('input#id_end').datepicker({
onRender: function(date) {
return date.valueOf() < startDate.date.valueOf() ? 'disabled' : '';
}
}).on('changeDate', function(ev) {
endDate.hide();
}).data('datepicker');
$("input#id_start").mousedown(function(){
endDate.hide();
});
$("input#id_end").mousedown(function(){
startDate.hide();
});
}
};
horizon.forms.bind_add_item_handlers = function (el) {
var $selects = $(el).find('select[data-add-item-url]');
$selects.each(function () {
var $this = $(this);
$button = $("<a href='" + $this.attr("data-add-item-url") + "' " +
"data-add-to-field='" + $this.attr("id") + "' " +
"class='btn ajax-add ajax-modal btn-inline'>+</a>");
$this.after($button);
});
};
horizon.forms.prevent_multiple_submission = function (el) {
// Disable multiple submissions when launching a form.
var $form = $(el).find("form");
$form.submit(function () {
var button = $(this).find('[type="submit"]');
if (button.hasClass('btn-primary') && !button.hasClass('always-enabled')){
$(this).submit(function () {
return false;
});
button.removeClass('primary').addClass('disabled');
button.attr('disabled', 'disabled');
}
return true;
});
};
horizon.forms.init_examples = function (el) {
var $el = $(el);
// FIXME(gabriel): These should be moved into the forms themselves as help text, etc.
// Update/create image form.
$el.find("#create_image_form input#id_copy_from").attr("placeholder", "http://example.com/image.iso");
// Table search box.
$el.find(".table_search input").attr("placeholder", gettext("Filter"));
// Volume attachment form.
$el.find("#attach_volume_form #id_device").attr("placeholder", "/dev/vdc");
};
horizon.addInitFunction(function () {
horizon.forms.prevent_multiple_submission($('body'));
horizon.modals.addModalInitFunction(horizon.forms.prevent_multiple_submission);
horizon.forms.bind_add_item_handlers($("body"));
horizon.modals.addModalInitFunction(horizon.forms.bind_add_item_handlers);
horizon.forms.init_examples($("body"));
horizon.modals.addModalInitFunction(horizon.forms.init_examples);
horizon.forms.handle_snapshot_source();
horizon.forms.handle_volume_source();
horizon.forms.handle_image_source();
horizon.forms.handle_object_upload_source();
horizon.forms.datepicker();
// Bind event handlers to confirm dangerous actions.
$("body").on("click", "form button.btn-danger", function (evt) {
horizon.datatables.confirm(this);
evt.preventDefault();
});
/* Switchable Fields (See Horizon's Forms docs for more information) */
// Bind handler for swapping labels on "switchable" fields.
$(document).on("change", 'select.switchable', function (evt) {
var $fieldset = $(evt.target).closest('fieldset'),
$switchables = $fieldset.find('.switchable');
$switchables.each(function (index, switchable) {
var $switchable = $(switchable),
slug = $switchable.data('slug'),
visible = $switchable.is(':visible'),
val = $switchable.val();
$fieldset.find('.switched[data-switch-on*="' + slug + '"]').each(function(index, input){
var $input = $(input),
data = $input.data(slug + "-" + val);
if (typeof data === "undefined" || !visible) {
$input.closest('.form-group').hide();
} else {
$('label[for=' + $input.attr('id') + ']').html(data);
$input.closest('.form-group').show();
}
});
});
});
// Fire off the change event to trigger the proper initial values.
$('select.switchable').trigger('change');
// Queue up the for new modals, too.
horizon.modals.addModalInitFunction(function (modal) {
$(modal).find('select.switchable').trigger('change');
});
// Handle field toggles for the Create Volume source type field
function update_volume_source_displayed_fields (field) {
var $this = $(field),
base_type = $this.val();
$this.find("option").each(function () {
if (this.value !== base_type) {
$("#id_" + this.value).closest(".form-group").hide();
} else {
$("#id_" + this.value).closest(".form-group").show();
}
});
}
$(document).on('change', '#id_volume_source_type', function (evt) {
update_volume_source_displayed_fields(this);
});
$('#id_volume_source_type').change();
horizon.modals.addModalInitFunction(function (modal) {
$(modal).find("#id_volume_source_type").change();
});
/* Help tooltips */
// Apply standard handler for everything but checkboxes.
$(document).tooltip({
selector: "div.form-group .help-icon",
placement: function (tip, input) {
// Position to the right unless this is a "split" for in which case put
// the tooltip below so it doesn't block the next field.
return $(input).closest("form[class*='split']").length ? "bottom" : 'right';
},
title: function () {
return $(this).closest('div.form-group').children('.help-block').text();
}
});
// Hide the tooltip upon interaction with the field for select boxes.
// We use mousedown and keydown since those "open" the select dropdown.
$(document).on('mousedown keydown', '.form-group select', function (evt) {
$(this).tooltip('hide');
});
// Hide the tooltip after escape button pressed
$(document).on('keydown.esc_btn', function (evt) {
if (evt.keyCode === 27) {
$('.tooltip').hide();
}
});
// Hide the help text for js-capable browsers
$('p.help-block').hide();
});