pgadmin4/web/pgadmin/preferences/static/js/preferences.js

427 lines
14 KiB
JavaScript

define('pgadmin.preferences', [
'sources/gettext', 'sources/url_for', 'jquery', 'underscore', 'alertify',
'sources/pgadmin', 'backform', 'pgadmin.browser', 'pgadmin.backform'
], function(gettext, url_for, $, _, alertify, pgAdmin, Backform, pgBrowser) {
// This defines the Preference/Options Dialog for pgAdmin IV.
pgAdmin = pgAdmin || window.pgAdmin || {};
/*
* Hmm... this module is already been initialized, we can refer to the old
* object from here.
*/
if (pgAdmin.Preferences)
return pgAdmin.Preferences;
pgAdmin.Preferences = {
init: function() {
if (this.initialized)
return;
this.initialized = true;
// Declare the Preferences dialog
alertify.dialog('preferencesDlg', function() {
var jTree, // Variable to create the aci-tree
controls = [], // Keep tracking of all the backform controls
// created by the dialog.
// Dialog containter
$container = $("<div class='preferences_dialog'></div>");
/*
* Preference Model
*
* This model will be used to keep tracking of the changes done for
* an individual option.
*/
var PreferenceModel = Backbone.Model.extend({
idAttribute: 'id',
defaults: {
id: undefined,
value: undefined
}
});
/*
* Preferences Collection object.
*
* We will use only one collection object to keep track of all the
* preferences.
*/
var changed = {},
preferences = this.preferences = new (Backbone.Collection.extend({
model: PreferenceModel,
url: url_for('preferences.index'),
updateAll: function() {
var cnt = 0;
// We will send only the modified data to the server.
for (var key in changed) {
this.get(key).save();
}
return true;
}
}))(null);
preferences.on('reset', function() {
// Reset the changed variables
changed = {};
});
preferences.on('change', function(m) {
var id = m.get('id');
if (!(id in changed)) {
// Keep track of the original value
changed[id] = m._previousAttributes.value;
} else if (_.isEqual(m.get('value'), changed[id])) {
// Remove unchanged models.
delete changed[id];
}
});
/*
* Function: renderPreferencePanel
*
* Renders the preference panel in the content div based on the given
* preferences.
*/
var renderPreferencePanel = function(prefs) {
/*
* Clear the existing html in the preferences content
*/
var content = $container.find('.preferences_content');
content.empty();
/*
* We should clean up the existing controls.
*/
if (controls) {
_.each(controls, function(c) {
c.remove();
});
}
controls = [];
/*
* We will create new set of controls and render it based on the
* list of preferences using the Backform Field, Control.
*/
_.each(prefs, function(p) {
var m = preferences.get(p.id);
m.errorModel = new Backbone.Model();
var f = new Backform.Field(
_.extend({}, p, {id: 'value', name: 'value'})
),
cntr = new (f.get("control")) ({
field: f,
model: m
});
content.append(cntr.render().$el);
// We will keep track of all the controls rendered at the
// moment.
controls.push(cntr);
});
};
/*
* Function: dialogContentCleanup
*
* Do the dialog container cleanup on openning.
*/
var dialogContentCleanup = function() {
// Remove the existing preferences
if (!jTree)
return;
/*
* Remove the aci-tree (mainly to remove the jquery object of
* aciTree from the system for this container).
*/
try {
jTreeApi = jTree.aciTree('destroy');
} catch(ex) {
// Sometimes - it fails to destroy the tree properly and throws
// exception.
}
jTree.off('acitree', treeEventHandler);
// We need to reset the data from the preferences too
preferences.reset();
/*
* Clean up the existing controls.
*/
if (controls) {
_.each(controls, function(c) {
c.remove();
});
}
controls = [];
// Remove all the objects now.
$container.empty();
},
/*
* Function: selectFirstCategory
*
* Whenever a user select a module instead of a category, we should
* select the first categroy of it.
*/
selectFirstCategory = function(api, item) {
var data = item ? api.itemData(item) : null;
if (data && data.preferences) {
api.select(item);
return;
}
item = api.first(item);
selectFirstCategory(api, item);
},
/*
* A map on how to create controls for each datatype in preferences
* dialog.
*/
getControlMappedForType = function(p) {
switch(p.type) {
case 'text':
return 'input';
case 'boolean':
p.options = {
onText: gettext('True'),
offText: gettext('False'),
onColor: 'success',
offColor: 'default',
size: 'mini'
};
return 'switch';
case 'node':
p.options = {
onText: gettext('Show'),
offText: gettext('Hide'),
onColor: 'success',
offColor: 'default',
size: 'mini'
};
return 'switch';
case 'integer':
return 'numeric';
case 'numeric':
return 'numeric';
case 'date':
return 'datepicker';
case 'datetime':
return 'datetimepicker';
case 'options':
var opts = [],
has_value = false;
// Convert the array to SelectControl understandable options.
_.each(p.options, function(o) {
if('label' in o && 'value' in o){
opts.push({'label': o.label, 'value': o.value});
if (o.value == p.value)
has_value = true;
} else {
opts.push({'label': o, 'value': o});
if (o == p.value)
has_value = true;
}
});
if (p.select2 && p.select2.tags == true && p.value && has_value == false){
opts.push({'label': p.value, 'value': p.value});
}
p.options = opts;
return 'select2';
case 'multiline':
return 'textarea';
case 'switch':
return 'switch';
default:
if (console && console.log) {
// Warning for developer only.
console.log(
"Hmm.. We don't know how to render this type - ''" + type + "' of control."
);
}
return 'input';
}
},
/*
* function: treeEventHandler
*
* It is basically a callback, which listens to aci-tree events,
* and act accordingly.
*
* + Selection of the node will existance of the preferences for
* the selected tree-node, if not pass on to select the first
* category under a module, else pass on to the render function.
*
* + When a new node is added in the tree, it will add the relavent
* preferences in the preferences model collection, which will be
* called during initialization itself.
*
*
*/
treeEventHandler = function(event, api, item, eventName) {
// Look for selected item (if none supplied)!
item = item || api.selected();
// Event tree item has itemData
var d = item ? api.itemData(item) : null;
/*
* boolean (switch/checkbox), string, enum (combobox - enumvals),
* integer (min-max), font, color
*/
switch (eventName) {
case "selected":
if (!d)
return true;
if (d.preferences) {
/*
* Clear the existing html in the preferences content
*/
renderPreferencePanel(d.preferences);
return true;
} else{
selectFirstCategory(api, item);
}
break;
case 'added':
if (!d)
return true;
// We will add the preferences in to the preferences data
// collection.
if (d.preferences && _.isArray(d.preferences)) {
_.each(d.preferences, function(p) {
preferences.add({
'id': p.id, 'value': p.value, 'category_id': d.id,
'mid': d.mid, 'name': p.name,
});
/*
* We don't know until now, how to render the control for
* this preference.
*/
if (!p.control) {
p.control = getControlMappedForType(p);
}
if (p.help_str) {
p.helpMessage = p.help_str;
}
});
}
d.sortable = false;
break;
case 'loaded':
// Let's select the first category from the prefrences.
// We need to wait for sometime before all item gets loaded
// properly.
setTimeout(
function() {
selectFirstCategory(api, null);
}, 300);
break;
}
return true;
};
// Dialog property
return {
main: function() {
// Remove the existing content first.
dialogContentCleanup();
$container.append(
"<div class='pg-el-xs-3 preferences_tree aciTree'></div>"
).append(
"<div class='pg-el-xs-9 preferences_content'>" +
gettext('Category is not selected.') +
"</div>"
);
// Create the aci-tree for listing the modules and categories of
// it.
jTree = $container.find('.preferences_tree');
jTree.on('acitree', treeEventHandler);
jTree.aciTree({
selectable: true,
expand: true,
ajax: {
url: url_for('preferences.index')
}
});
this.show();
},
setup: function() {
return {
buttons:[{
text: '', key: 112,
className: 'btn btn-default pull-left fa fa-lg fa-question',
attrs:{
name:'dialog_help', type:'button',
label: gettext('Preferences'),
url: url_for(
'help.static', {'filename': 'preferences.html'}
)
}
},{
text: gettext('OK'), key: 13, className: "btn btn-primary fa fa-lg fa-save pg-alertify-button"
},{
text: gettext('Cancel'), key: 27, className: "btn btn-danger fa fa-lg fa-times pg-alertify-button"
}],
focus: { element: 0 },
options: {
padding: !1,
overflow: !1,
title: gettext('Preferences'),
closableByDimmer: false,
modal:false,
pinnable: false
}
};
},
callback: function(e) {
if (e.button.element.name == "dialog_help") {
e.cancel = true;
pgBrowser.showHelp(e.button.element.name, e.button.element.getAttribute('url'),
null, null, e.button.element.getAttribute('label'));
return;
}
if (e.button.text == gettext('OK')){
preferences.updateAll();
// Refresh preferences cache
setTimeout(pgBrowser.cache_preferences(), 2000);
}
},
build: function() {
this.elements.content.appendChild($container.get(0));
alertify.pgDialogBuild.apply(this)
},
hooks: {
onshow: function() {
$(this.elements.body).addClass('pgadmin-preference-body');
}
}
};
});
},
show: function() {
alertify.preferencesDlg(true).resizeTo('60%', '60%');
}
};
return pgAdmin.Preferences;
});