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egroupware_official/etemplate/js/et2_widget_dialog.js

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/**
* EGroupware eTemplate2 - JS Dialog Widget class
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @link http://www.egroupware.org
* @author Nathan Gray
* @copyright Nathan Gray 2013
* @version $Id$
*/
"use strict";
/*egw:uses
et2_core_widget;
jquery.jquery-ui;
*/
/**
* A common dialog widget that makes it easy to imform users or prompt for information.
*
* It is possible to have a custom dialog by using a template, but you can also use
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* the static method et2_dialog.show_dialog(). At its simplest, you can just use:
* <code>
* et2_dialog.show_dialog(false, "Operation completed");
* </code>
* Or a more complete example:
* <code>
* var callback = function (button_id)
* {
* if(button_id == et2_dialog.YES_BUTTON)
* {
* // Do stuff
* }
* else if (button_id == et2_dialog.NO_BUTTON)
* {
* // Other stuff
* }
* else if (button_id == et2_dialog.CANCEL_BUTTON)
* {
* // Abort
* }
* }.
* var dialog = et2_dialog.show_dialog(
* callback, "Erase the entire database?","Break things", {} // value
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* et2_dialog.BUTTONS_YES_NO_CANCEL, et2_dialog.WARNING_MESSAGE
* );
* </code>
*
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*
* The parameters for the above are all optional, except callback and message:
* callback - function called when the dialog closes, or false/null.
* The ID of the button will be passed. Button ID will be one of the et2_dialog.*_BUTTON constants.
* The callback is _not_ called if the user closes the dialog with the X in the corner, or presses ESC.
* message - (plain) text to display
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* title - Dialog title
* value (for prompt)
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* buttons - et2_dialog BUTTONS_* constant, or an array of button settings
* dialog_type - et2_dialog *_MESSAGE constant
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* icon - URL of icon
*
* Note that these methods will _not_ block program flow while waiting for user input.
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* The user's input will be provided to the callback.
*
* You can also use the standard et2_createWidget() to create a custom dialog using an etemplate, even setting all
* the buttons yourself.
* <code>
* var dialog = et2_createWidget("dialog",{
* // If you use a template, the second parameter will be the value of the template, as if it were submitted.
* callback: function(button_id, value) {...},
* buttons: [
* // These ones will use the callback, just like normal
* {text: egw.lang("OK"),id:"OK", class="ui-priority-primary", default: true},
* {text: egw.lang("Yes"),id:"Yes"},
* {text: egw.lang("Sure"),id:"Sure"},
* {text: egw.lang("Maybe"),click: function() {
* // If you override, 'this' will be the dialog DOMNode.
* // Things get more complicated.
* // Do what you like, but don't forget this line:
* $j(this).dialog("close")
* }, class="ui-state-error"},
*
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* ],
* title: 'Why would you want to do this?',
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* template:"/egroupware/addressbook/templates/default/edit.xet",
* value: { content: {...default values}, sel_options: {...}...}
* });
* </code>
* @augments et2_widget
* @see http://api.jqueryui.com/dialog/
*/
var et2_dialog = et2_widget.extend({
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attributes: {
callback: {
name: "Callback",
type: "js",
description: "Callback function is called with the value when the dialog is closed",
"default": function(button_id) {egw.debug("log","Button ID: %d",button_id);}
},
message: {
name: "Message",
type: "string",
description: "Dialog message (plain text, no html)",
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"default": "Somebody forgot to set this...",
},
dialog_type: {
name: "Dialog type",
type: "integer",
description: "To use a pre-defined dialog style, use et2_dialog.ERROR_MESSAGE, INFORMATION_MESSAGE,WARNING_MESSAGE,QUESTION_MESSAGE,PLAIN_MESSAGE constants. Default is et2_dialog.PLAIN_MESSAGE",
"default": 0, //this.PLAIN_MESSAGE
},
buttons: {
name: "Buttons",
type: "any",
"default": 0, //this.BUTTONS_OK,
description: "Buttons that appear at the bottom of the dialog. You can use the constants et2_dialog.BUTTONS_OK, BUTTONS_YES_NO, BUTTONS_YES_NO_CANCEL, BUTTONS_OK_CANCEL, or pass in an array for full control",
},
icon: {
name: "Icon",
type: "string",
description: "URL of an icon for the dialog. If omitted, an icon based on dialog_type will be used.",
"default": ""
},
title: {
name: "Title",
type: "string",
description: "Title for the dialog box (plain text, no html)",
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"default": ""
},
modal: {
name: "Modal",
type: "boolean",
description: "Prevent the user from interacting with the page",
"default": true
},
resizable: {
name: "Resizable",
type: "boolean",
description: "Allow the user to resize the dialog",
"default": true
},
value: {
"name": "Value",
"description": "The (default) value of the dialog. Use with template.",
"type": "any",
"default": et2_no_init
},
template: {
"name": "Template",
"description": "Instead of displaying a simple message, a full template can be loaded instead. Set defaults with value.",
"type": "string",
"default": et2_no_init
}
},
/**
* Details for dialog type options
*/
_dialog_types: [
//PLAIN_MESSAGE: 0
"",
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//INFORMATION_MESSAGE: 1,
"dialog_info",
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//QUESTION_MESSAGE: 2,
"dialog_help",
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//WARNING_MESSAGE: 3,
"dialog_warning",
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//ERROR_MESSAGE: 4,
"dialog_error",
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],
_buttons: [
/*
Pre-defined Button combos
- button ids copied from et2_dialog static, since the constants are not defined yet
- image get replaced by 'style="background-image: url('+egw.image(image)+')' for an image prefixing text
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*/
//BUTTONS_OK: 0,
[{"button_id": 1,"text": 'ok', id: 'dialog[ok]', image: 'check', "default":true}],
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//BUTTONS_OK_CANCEL: 1,
[
{"button_id": 1,"text": 'ok', id: 'dialog[ok]', image: 'check', "default":true},
{"button_id": 0,"text": 'cancel', id: 'dialog[cancel]', image: 'cancel'}
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],
//BUTTONS_YES_NO: 2,
[
{"button_id": 2,"text": 'yes', id: 'dialog[yes]', image: 'check', "default":true},
{"button_id": 3,"text": 'no', id: 'dialog[no]', image: 'cancelled'}
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],
//BUTTONS_YES_NO_CANCEL: 3,
[
{"button_id": 2,"text": 'yes', id: 'dialog[yes]', image: 'check', "default":true},
{"button_id": 3,"text": 'no', id: 'dialog[no]', image: 'cancelled'},
{"button_id": 0,"text": 'cancel', id: 'dialog[cancel]', image: 'cancel'}
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]
],
// Define this as null to avoid breaking any hierarchies (eg: destroy())
_parent: null,
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/**
* Constructor
*
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* @memberOf et2_dialog
*/
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init: function() {
// Call the inherited constructor
this._super.apply(this, arguments);
// Button callbacks need a reference to this
var self = this;
for(var i = 0; i < this._buttons.length; i++)
{
for(var j = 0; j < this._buttons[i].length; j++)
{
this._buttons[i][j].click = (function(id) {
return function(event) {
self.click(event.target,id);
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};
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})(this._buttons[i][j].button_id);
// translate button texts, as translations are not available before
this._buttons[i][j].text = egw.lang(this._buttons[i][j].text);
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}
}
this.div = $j(document.createElement("div"));
this._createDialog();
},
/**
* Clean up dialog
*/
destroy: function() {
if(this.div != null)
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{
// Un-dialog the dialog
this.div.dialog("destroy");
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if(this.template)
{
this.template.clear();
this.template = null;
}
this.div = null;
}
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// Call the inherited constructor
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this._super.apply(this, arguments);
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},
/**
* Internal callback registered on all standard buttons.
* The provided callback is called after the dialog is closed.
*
* @param target DOMNode The clicked button
* @param button_id integer The ID of the clicked button
*/
click: function(target, button_id) {
if(this.options.callback)
{
this.options.callback.call(this,button_id,this.get_value());
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}
// Triggers destroy too
this.div.dialog("close");
},
/**
* Returns the values of any widgets in the dialog. This does not include
* the buttons, which are only supplied for the callback.
*/
get_value: function() {
var value = this.options.value;
if(this.template)
{
value = this.template.getValues(this.template.widgetContainer);
}
return value;
},
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/**
* Set the displayed prompt message
*
* @param string New message for the dialog
*/
set_message: function(message) {
this.options.message = message;
this.div.empty()
.append("<img class='dialog_icon' />")
.append($j('<div/>').text(message));
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},
/**
* Set the dialog type to a pre-defined type
*
* @param integer Type constant from et2_dialog
*/
set_dialog_type: function(type) {
if(this.options.dialog_type != type && typeof this._dialog_types[type] == "string")
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{
this.options.dialog_type = type;
}
this.set_icon(this._dialog_types[type] ? egw.image(this._dialog_types[type]) : "");
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},
/**
* Set the icon for the dialog
*
* @param string icon
*/
set_icon: function(icon_url) {
if(icon_url == "")
{
$j("img.dialog_icon",this.div).hide();
}
else
{
$j("img.dialog_icon",this.div).show().attr("src", icon_url);
}
},
/**
* Set the dialog buttons
*
* Use either the pre-defined options in et2_dialog, or an array
* @see http://api.jqueryui.com/dialog/#option-buttons
*/
set_buttons: function(buttons) {
this.options.buttons = buttons;
if (buttons instanceof Array)
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{
for (var i = 0; i < buttons.length; i++)
{
var button = buttons[i];
if(!button.click)
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{
button.click = jQuery.proxy(this.click,this,null,button.id);
}
// set a default background image and css class based on buttons id
if (button.id && typeof button.class == 'undefined')
{
for(var name in et2_button.default_classes)
{
if (button.id.match(et2_button.default_classes[name]))
{
button.class = (typeof button.class == 'undefined' ? '' : button.class+' ')+name;
break;
}
}
}
if (button.id && typeof button.image == 'undefined' && typeof button.style == 'undefined')
{
for(var name in et2_button.default_background_images)
{
if (button.id.match(et2_button.default_background_images[name]))
{
button.image = name;
break;
}
}
}
if (button.image)
{
button.style = 'background-image: url('+this.egw().image(button.image)+')';
delete button.image;
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}
}
}
// If dialog already created, update buttons
if(this.div.data('ui-dialog'))
{
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this.div.dialog("option", "buttons", buttons);
// Focus default button so enter works
$j('.ui-dialog-buttonpane button[default]',this.div.parent()).focus();
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}
},
/**
* Set the dialog title
*
* @param string New title for the dialog
*/
set_title: function(title) {
this.options.title = title;
this.div.dialog("option","title",title);
},
/**
* Block interaction with the page behind the dialog
*
* @param boolean Block page behind dialog
*/
set_modal: function(modal) {
this.options.modal = modal;
this.div.dialog("option","modal",modal);
},
/**
* Load an etemplate into the dialog
*
* @param template String etemplate file name
*/
set_template: function(template) {
if(this.template && this.options.template != template)
{
this.template.clear();
}
this.template = new etemplate2(this.div[0], false);
if(template.indexOf('.xet') > 0)
{
// File name provided, fetch from server
this.template.load("",template,this.options.value||{}, jQuery.proxy(function() {
// Set focus to the first input
$j('input',this.div).first().focus();
},this));
}
else
{
// Just template name, it better be loaded already
this.template.load(template,'',this.options.value||{});
}
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},
/**
* Actually create and display the dialog
*/
_createDialog: function() {
if(this.options.template)
{
this.set_template(this.options.template);
}
else
{
this.set_message(this.options.message);
this.set_dialog_type(this.options.dialog_type);
}
this.set_buttons(typeof this.options.buttons == "number" ? this._buttons[this.options.buttons] : this.options.buttons);
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this.div.dialog({
// Pass the internal object, not the option
buttons: this.options.buttons,
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modal: this.options.modal,
resizable: this.options.resizable,
width: "auto",
maxWidth: 640,
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title: this.options.title,
open: function() {
// Focus default button so enter works
$j(this).parents('.ui-dialog-buttonpane button[default]').focus();
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},
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close: jQuery.proxy(function() {this.destroy();},this)
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});
}
});
et2_register_widget(et2_dialog, ["dialog"]);
// Static class stuff
jQuery.extend(et2_dialog,
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/** @lends et2_dialog */
{
// Some class constants //
/**
* Types
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* @constant
*/
PLAIN_MESSAGE: 0,
INFORMATION_MESSAGE: 1,
QUESTION_MESSAGE: 2,
WARNING_MESSAGE: 3,
ERROR_MESSAGE: 4,
/* Pre-defined Button combos */
BUTTONS_OK: 0,
BUTTONS_OK_CANCEL: 1,
BUTTONS_YES_NO: 2,
BUTTONS_YES_NO_CANCEL: 3,
/* Button constants */
CANCEL_BUTTON: 0,
OK_BUTTON: 1,
YES_BUTTON: 2,
NO_BUTTON: 3,
/**
* Create a parent to inject application specific egw object with loaded translations into et2_dialog
*
* @param {string|egw} _egw_or_appname= egw object with already laoded translations or application name to load translations for
*/
_create_parent: function(_egw_or_appname)
{
if (typeof _egw_or_appname == 'undefined')
{
_egw_or_appname = egw_appName;
}
// create a dummy parent with a correct reference to an application specific egw object
var parent = new et2_widget();
// if egw object is passed in because called from et2, just use it
if (typeof _egw_or_appname == 'object')
{
parent._egw = _egw_or_appname;
}
// otherwise use given appname to create app-specific egw instance and load default translations
else
{
parent._egw = egw(_egw_or_appname);
parent._egw.langRequireApp(parent._egw.window, _egw_or_appname);
}
return parent;
},
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/**
* Show a confirmation dialog
*
* @param function _callback Function called when the user clicks a button. The context will be the et2_dialog widget, and the button constant is passed in.
* @param String _message Message to be place in the dialog.
* @param String _title Text in the top bar of the dialog.
* @param any _value passed unchanged to callback as 2. parameter
* @param integer|Array _buttons One of the BUTTONS_ constants defining the set of buttons at the bottom of the box
* @param integer _type One of the message constants. This defines the style of the message.
* @param String _icon URL of an icon to display. If not provided, a type-specific icon will be used.
* @param {string|egw} _egw_or_appname= egw object with already laoded translations or application name to load translations for
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*/
show_dialog: function(_callback, _message, _title, _value, _buttons, _type, _icon, _egw_or_appname)
{
var parent = et2_dialog._create_parent(_egw_or_appname);
// Just pass them along, widget handles defaults & missing
return et2_createWidget("dialog", {
callback: _callback||function(){},
message: _message,
title: _title||parent._egw.lang('Confirmation required'),
buttons: typeof _buttons != 'undefined' ? _buttons : et2_dialog.BUTTONS_YES_NO,
dialog_type: typeof _type != 'undefined' ? _type : et2_dialog.QUESTION_MESSAGE,
icon: _icon,
value: _value
}, parent);
},
/**
* Show an alert message with OK button
*
* @param {String} _message Message to be place in the dialog.
* @param {String} _title Text in the top bar of the dialog.
* @param integer _type One of the message constants. This defines the style of the message.
*/
alert: function (_message, _title, _type)
{
var parent = et2_dialog._create_parent(et2_dialog._create_parent()._egw);
et2_createWidget("dialog", {
callback:function(){},
message: _message,
title: _title,
buttons: et2_dialog.BUTTONS_OK,
dialog_type: _type || et2_dialog.INFORMATION_MESSAGE
}, parent);
},
/**
* Show a prompt dialog
*
* @param function _callback Function called when the user clicks a button. The context will be the et2_dialog widget, and the button constant is passed in.
* @param String _message Message to be place in the dialog.
* @param String _title Text in the top bar of the dialog.
* @param String _value for prompt, passed to callback as 2. parameter
* @param integer|Array _buttons One of the BUTTONS_ constants defining the set of buttons at the bottom of the box
* @param {string|egw} _egw_or_appname= egw object with already laoded translations or application name to load translations for
*/
show_prompt: function(_callback, _message, _title, _value, _buttons, _egw_or_appname)
{
var callback = _callback;
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// Just pass them along, widget handles defaults & missing
return et2_createWidget("dialog", {
callback: function(_button_id, _value) {
if (typeof callback == "function")
{
callback.call(this, _button_id, _value.value);
}
},
title: _title||egw.lang('Input required'),
buttons: _buttons||et2_dialog.BUTTONS_OK_CANCEL,
value: {
content: {
value: _value,
message: _message
}
},
template: egw.webserverUrl+'/etemplate/templates/default/prompt.xet',
class: "et2_prompt"
}, et2_dialog._create_parent(_egw_or_appname));
},
/**
* Method to build a confirmation dialog only with
* YES OR NO buttons and submit content back to server
*
* @param {widget} _senders widget that has been clicked
* @param {String} _dialogMsg message shows in dialog box
* @param {String} _titleMsg message shows as a title of the dialog box
*
* @description submit the form contents including the button that has been pressed
*/
confirm: function(_senders,_dialogMsg, _titleMsg)
{
var senders = _senders;
var buttonId = _senders.id;
var dialogMsg = (typeof _dialogMsg !="undefined") ? _dialogMsg : '';
var titleMsg = (typeof _titleMsg !="undefined") ? _titleMsg : '';
var egw = _senders instanceof et2_widget ? _senders.egw() : et2_dialog._create_parent()._egw;
var callbackDialog = function (button_id)
{
if (button_id == et2_dialog.YES_BUTTON )
{
senders.getRoot().getInstanceManager().submit(buttonId);
}
};
et2_dialog.show_dialog(callbackDialog, egw.lang(dialogMsg), egw.lang(titleMsg), {},
et2_dialog.BUTTON_YES_NO, et2_dialog.WARNING_MESSAGE, undefined, egw);
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},
/**
* Show a dialog for a long-running, multi-part task
*
* Given a server url and a list of parameters, this will open a dialog with
* a progress bar, asynchronously call the url with each parameter, and update
* the progress bar.
* Any output from the server will be displayed in a box.
*
* When all tasks are done, the callback will be called with boolean true. It will
* also be called if the user clicks a button (OK or CANCEL), so be sure to
* check to avoid executing more than intended.
*
* @param function _callback Function called when the user clicks a button,
* or when the list is done processing. The context will be the et2_dialog
* widget, and the button constant is passed in.
* @param String _message Message to be place in the dialog. Usually just
* text, but DOM nodes will work too.
* @param String _title Text in the top bar of the dialog.
* @param {string} _menuaction the menuaction function which should be called and
* which handles the actual request. If the menuaction is a full featured
* url, this one will be used instead.
* @param {Array[]} _list - List of parameters, one for each call to the
* address. Multiple parameters are allowed, in an array.
* @param {string|egw} _egw_or_appname= egw object with already laoded translations or application name to load translations for
*
* @return {et2_dialog}
*/
long_task: function(_callback, _message, _title, _menuaction, _list, _egw_or_appname)
{
var parent = et2_dialog._create_parent(_egw_or_appname);
var egw = parent._egw;
// Special action for cancel
var buttons = [
{"button_id": et2_dialog.OK_BUTTON,"text": egw.lang('ok'), "default":true, "disabled":true},
{"button_id": et2_dialog.CANCEL_BUTTON,"text": egw.lang('cancel'), click: function() {
// Cancel run
cancel = true;
$j("button[button_id="+et2_dialog.CANCEL_BUTTON+"]", dialog.div.parent()).button("disable");
update.call(_list.length,'');
}}
];
var dialog = et2_createWidget("dialog", {
template: egw.webserverUrl+'/etemplate/templates/default/long_task.xet',
value: {
content: {
message: _message
}
},
callback: function(_button_id, _value) {
if(_button_id == et2_dialog.CANCEL_BUTTON)
{
cancel = true;
}
if (typeof _callback == "function")
{
_callback.call(this, _button_id, _value.value);
}
},
title: _title||egw.lang('please wait...'),
buttons: buttons
}, parent);
// OK starts disabled
$j("button[button_id="+et2_dialog.OK_BUTTON+"]", dialog.div.parent()).button("disable");
var log = null;
var progressbar = null;
var cancel = false;
// Updates progressbar & log, calls next step
var update = function(response) {
// context is index
var index = this || 0;
progressbar.set_value(100*(index/_list.length));
// Display response information
switch(response.type)
{
case 'error':
log.append("<div class='message error'>"+response.data+"</div>");
break;
default:
if(response)
{
log.append("<div class='message'>"+response+"</div>");
}
}
// Scroll to bottom
var height = log[0].scrollHeight;
log.scrollTop(height);
// Fire next step
if(!cancel && index < _list.length)
{
var parameters = _list[index];
if(typeof parameters != 'object') parameters = [parameters];
// Async request, we'll take the next step in the callback
egw.json(_menuaction, parameters, update, index+1,true,index+1).sendRequest();
}
else
{
// All done
if(!cancel) progressbar.set_value(100);
$j("button[button_id="+et2_dialog.CANCEL_BUTTON+"]", dialog.div.parent()).button("disable");
$j("button[button_id="+et2_dialog.OK_BUTTON+"]", dialog.div.parent()).button("enable");
if (!cancel && typeof _callback == "function")
{
_callback.call(dialog, true);
}
}
};
$j(dialog.template.DOMContainer).on('load', function() {
// Get access to template widgets
log = $j(dialog.template.widgetContainer.getWidgetById('log').getDOMNode());
progressbar = dialog.template.widgetContainer.getWidgetById('progressbar');
// Start
window.setTimeout(function() {update.call(0,'');},0);
});
return dialog;
}
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});