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/**
* Copyright 2010-2013 Ben Birch
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this software except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
(function( $, app, i18n ) {
var ui = app.ns("ui");
var ut = app.ns("ut");
ui.QueryFilter = ui.AbstractWidget.extend({
defaults: {
metadata: null, // (required) instanceof app.data.MetaData
query: null // (required) instanceof app.data.Query that the filters will act apon
},
init: function() {
this._super();
this.metadata = this.config.metadata;
this.query = this.config.query;
this.el = $(this._main_template());
},
helpTypeMap: {
"date" : "QueryFilter.DateRangeHelp"
},
requestUpdate: function(jEv) {
if(jEv && jEv.originalEvent) { // we only want to update on real user interaction not generated events
this.query.setPage(1);
this.query.query();
}
},
getSpec: function(fieldName) {
return this.metadata.fields[fieldName];
},
_selectAlias_handler: function(jEv) {
var indices = (jEv.target.selectedIndex === 0) ? [] : this.metadata.getIndices($(jEv.target).val());
$(".uiQueryFilter-index").each(function(i, el) {
var jEl = $(el);
if(indices.contains(jEl.text()) !== jEl.hasClass("selected")) {
jEl.click();
}
});
this.requestUpdate(jEv);
},
_selectIndex_handler: function(jEv) {
var jEl = $(jEv.target).closest(".uiQueryFilter-index");
jEl.toggleClass("selected");
var selected = jEl.hasClass("selected");
this.query.setIndex(jEl.text(), selected);
if(selected) {
var types = this.metadata.getTypes(this.query.indices);
this.el.find("DIV.uiQueryFilter-type.selected").each(function(n, el) {
if(! types.contains($(el).text())) {
$(el).click();
}
});
}
this.requestUpdate(jEv);
},
_selectType_handler: function(jEv) {
var jEl = $(jEv.target).closest(".uiQueryFilter-type");
jEl.toggleClass("selected");
var type = jEl.text(), selected = jEl.hasClass("selected");
this.query.setType(type, selected);
if(selected) {
var indices = this.metadata.types[type].indices;
// es throws a 500 if searching an index for a type it does not contain - so we prevent that
this.el.find("DIV.uiQueryFilter-index.selected").each(function(n, el) {
if(! indices.contains($(el).text())) {
$(el).click();
}
});
// es throws a 500 if you specify types from different indices with _all
jEl.siblings(".uiQueryFilter-type.selected").forEach(function(el) {
if(this.metadata.types[$(el).text()].indices.intersection(indices).length === 0) {
$(el).click();
}
}, this);
}
this.requestUpdate(jEv);
},
_openFilter_handler: function(section) {
var field_name = section.config.title;
if(! section.loaded) {
var spec = this.getSpec(field_name);
if(spec.core_type === "string") {
section.body.append(this._textFilter_template(spec));
} else if(spec.core_type === "date") {
section.body.append(this._dateFilter_template(spec));
section.body.append(new ui.DateHistogram({ printEl: section.body.find("INPUT"), cluster: this.cluster, query: this.query, spec: spec }));
} else if(spec.core_type === "number") {
section.body.append(this._numericFilter_template(spec));
} else if(spec.core_type === 'boolean') {
section.body.append(this._booleanFilter_template(spec));
} else if (spec.core_type === 'multi_field') {
section.body.append(this._multiFieldFilter_template(section, spec));
}
section.loaded = true;
}
section.on("animComplete", function(section) { section.body.find("INPUT").focus(); });
},
_textFilterChange_handler: function(jEv) {
var jEl = $(jEv.target).closest("INPUT");
var val = jEl.val();
var spec = jEl.data("spec");
var uqids = jEl.data("uqids") || [];
uqids.forEach(function(uqid) {
uqid && this.query.removeClause(uqid);
}, this);
if(val.length) {
if(jEl[0] === document.activeElement && jEl[0].selectionStart === jEl[0].selectionEnd) {
val = val.replace(new RegExp("(.{"+jEl[0].selectionStart+"})"), "$&*");
}
uqids = val.split(/\s+/).map(function(term) {
// Figure out the actual field name - needed for multi_field, because
// querying for "field.field" will not work. Simply "field" must be used
// if nothing is aliased.
var fieldNameParts = spec.field_name.split('.');
var part = fieldNameParts.length - 1;
var name = fieldNameParts[part];
while (part >= 1) {
if (fieldNameParts[part] !== fieldNameParts[part - 1]) {
name = fieldNameParts[part - 1] + "." + name;
}
part--;
}
return term && this.query.addClause(term, name, "wildcard", "must");
}, this);
}
jEl.data("uqids", uqids);
this.requestUpdate(jEv);
},
_dateFilterChange_handler: function(jEv) {
var jEl = $(jEv.target).closest("INPUT");
var val = jEl.val();
var spec = jEl.data("spec");
var uqid = jEl.data("uqid") || null;
var range = window.dateRangeParser.parse(val);
var lastRange = jEl.data("lastRange");
if(!range || (lastRange && lastRange.start === range.start && lastRange.end === range.end)) {
return;
}
uqid && this.query.removeClause(uqid);
if((range.start && range.end) === null) {
uqid = null;
} else {
var value = {};
if( range.start ) {
value["gte"] = range.start;
}
if( range.end ) {
value["lte"] = range.end;
}
uqid = this.query.addClause( value, spec.field_name, "range", "must");
}
jEl.data("lastRange", range);
jEl.siblings(".uiQueryFilter-rangeHintFrom")
.text(i18n.text("QueryFilter.DateRangeHint.from", range.start && new Date(range.start).toUTCString()));
jEl.siblings(".uiQueryFilter-rangeHintTo")
.text(i18n.text("QueryFilter.DateRangeHint.to", range.end && new Date(range.end).toUTCString()));
jEl.data("uqid", uqid);
this.requestUpdate(jEv);
},
_numericFilterChange_handler: function(jEv) {
var jEl = $(jEv.target).closest("INPUT");
var val = jEl.val();
var spec = jEl.data("spec");
var uqid = jEl.data("uqid") || null;
var lastRange = jEl.data("lastRange");
var range = (function(val) {
var ops = val.split(/->|<>|</).map( function(v) { return parseInt(v.trim(), 10); });
if(/<>/.test(val)) {
return { gte: (ops[0] - ops[1]), lte: (ops[0] + ops[1]) };
} else if(/->|</.test(val)) {
return { gte: ops[0], lte: ops[1] };
} else {
return { gte: ops[0], lte: ops[0] };
}
})(val || "");
if(!range || (lastRange && lastRange.lte === range.lte && lastRange.gte === range.gte)) {
return;
}
jEl.data("lastRange", range);
uqid && this.query.removeClause(uqid);
uqid = this.query.addClause( range, spec.field_name, "range", "must");
jEl.data("uqid", uqid);
this.requestUpdate(jEv);
},
_booleanFilterChange_handler: function( jEv ) {
var jEl = $(jEv.target).closest("SELECT");
var val = jEl.val();
var spec = jEl.data("spec");
var uqid = jEl.data("uqid") || null;
uqid && this.query.removeClause(uqid);
if(val === "true" || val === "false") {
jEl.data("uqid", this.query.addClause(val, spec.field_name, "term", "must") );
}
this.requestUpdate(jEv);
},
_main_template: function() {
return { tag: "DIV", id: this.id(), cls: "uiQueryFilter", children: [
this._aliasSelector_template(),
this._indexSelector_template(),
this._typesSelector_template(),
this._filters_template()
] };
},
_aliasSelector_template: function() {
var aliases = Object.keys(this.metadata.aliases).sort();
aliases.unshift( i18n.text("QueryFilter.AllIndices") );
return { tag: "DIV", cls: "uiQueryFilter-section uiQueryFilter-aliases", children: [
{ tag: "SELECT", onChange: this._selectAlias_handler, children: aliases.map(ut.option_template) }
] };
},
_indexSelector_template: function() {
var indices = Object.keys( this.metadata.indices ).sort();
return { tag: "DIV", cls: "uiQueryFilter-section uiQueryFilter-indices", children: [
{ tag: "HEADER", text: i18n.text("QueryFilter-Header-Indices") },
{ tag: "DIV", onClick: this._selectIndex_handler, children: indices.map( function( name ) {
return { tag: "DIV", cls: "uiQueryFilter-booble uiQueryFilter-index", text: name };
})}
] };
},
_typesSelector_template: function() {
var types = Object.keys( this.metadata.types ).sort();
return { tag: "DIV", cls: "uiQueryFilter-section uiQueryFilter-types", children: [
{ tag: "HEADER", text: i18n.text("QueryFilter-Header-Types") },
{ tag: "DIV", onClick: this._selectType_handler, children: types.map( function( name ) {
return { tag: "DIV", cls: "uiQueryFilter-booble uiQueryFilter-type", text: name };
})}
] };
},
_filters_template: function() {
var _metadataFields = this.metadata.fields;
var fields = Object.keys( _metadataFields ).sort()
.filter(function(d) { return (_metadataFields[d].core_type !== undefined); });
return { tag: "DIV", cls: "uiQueryFilter-section uiQueryFilter-filters", children: [
{ tag: "HEADER", text: i18n.text("QueryFilter-Header-Fields") },
{ tag: "DIV", children: fields.map( function(name ) {
return new app.ui.SidebarSection({
title: name,
help: this.helpTypeMap[this.metadata.fields[ name ].type],
onShow: this._openFilter_handler
});
}, this ) }
] };
},
_textFilter_template: function(spec) {
return { tag: "INPUT", data: { spec: spec }, onKeyup: this._textFilterChange_handler };
},
_dateFilter_template: function(spec) {
return { tag: "DIV", children: [
{ tag: "INPUT", data: { spec: spec }, onKeyup: this._dateFilterChange_handler },
{ tag: "PRE", cls: "uiQueryFilter-rangeHintFrom", text: i18n.text("QueryFilter.DateRangeHint.from", "")},
{ tag: "PRE", cls: "uiQueryFilter-rangeHintTo", text: i18n.text("QueryFilter.DateRangeHint.to", "") }
]};
},
_numericFilter_template: function(spec) {
return { tag: "INPUT", data: { spec: spec }, onKeyup: this._numericFilterChange_handler };
},
_booleanFilter_template: function(spec) {
return { tag: "SELECT", data: { spec: spec }, onChange: this._booleanFilterChange_handler,
children: [ i18n.text("QueryFilter.AnyValue"), "true", "false" ].map( function( val ) {
return { tag: "OPTION", value: val, text: val };
})
};
},
_multiFieldFilter_template: function(section, spec) {
return {
tag : "DIV", cls : "uiQueryFilter-subMultiFields", children : acx.eachMap(spec.fields, function(name, data) {
if (name === spec.field_name) {
section.config.title = spec.field_name + "." + name;
return this._openFilter_handler(section);
}
return new app.ui.SidebarSection({
title : data.field_name, help : this.helpTypeMap[data.type], onShow : this._openFilter_handler
});
}, this)
};
}
});
})( this.jQuery, this.app, this.i18n );
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