302 lines
12 KiB
JavaScript
302 lines
12 KiB
JavaScript
// vim: et:ts=4:sw=4:sts=4:ft=javascript
|
|
pandora.Query = (function() {
|
|
|
|
function constructFind(query) {
|
|
return /*encodeURI(*/query.conditions.map(function(condition) {
|
|
var ret;
|
|
if (condition.conditions) {
|
|
ret = '[' + constructFind(condition) + ']';
|
|
} else {
|
|
ret = condition.value !== ''
|
|
? condition.key + (condition.key ? ':' : '')
|
|
+ constructValue(condition.value, condition.operator)
|
|
: null;
|
|
}
|
|
return ret;
|
|
}).join(query.operator == '&' ? ',' : '|')/*)*/;
|
|
}
|
|
|
|
function constructValue(value, operator) {
|
|
value = encodeURIComponent(value);
|
|
operator = operator.replace('=', '^$');
|
|
if (operator.indexOf('$') > -1) {
|
|
value = operator.substr(0, operator.length - 1) + value + '$';
|
|
} else {
|
|
value = operator + value;
|
|
}
|
|
return value;
|
|
}
|
|
|
|
function everyCondition(conditions, key, operator) {
|
|
// if every condition has the given key and operator
|
|
// (excluding conditions where all subconditions match)
|
|
// returns true, otherwise false
|
|
return Ox.every(conditions, function(condition) {
|
|
return condition.key == key && condition.operator == operator;
|
|
});
|
|
}
|
|
|
|
function getGroupsData(fullQuery) {
|
|
// a group is selected if exactly one condition in an & query
|
|
// or every condition in an | query
|
|
// has the group id as key and "=" as operator
|
|
return pandora.user.ui.groups.map(function(group) {
|
|
var index = -1,
|
|
key = group.id,
|
|
query = Ox.clone(fullQuery, true),
|
|
selected = [];
|
|
if (query.operator == '|') {
|
|
if (everyCondition(query.conditions, key, '=')) {
|
|
index = Ox.range(query.conditions.length);
|
|
selected = query.conditions.map(function(condition) {
|
|
return condition.value;
|
|
});
|
|
}
|
|
} else {
|
|
index = oneCondition(query.conditions, key, '=');
|
|
if (index > -1) {
|
|
selected = query.conditions[index].conditions
|
|
? query.conditions[index].conditions.map(function(condition) {
|
|
return condition.value;
|
|
})
|
|
: [query.conditions[index].value];
|
|
}
|
|
}
|
|
if (selected.length) {
|
|
if (Ox.isArray(index)) {
|
|
query = {conditions: [], operator: ''};
|
|
} else {
|
|
query.conditions.splice(index, 1);
|
|
if (query.conditions.length == 1) {
|
|
if (query.conditions[0].conditions) {
|
|
// unwrap single remaining bracketed query
|
|
query = {
|
|
conditions: query.conditions[0].conditions,
|
|
operator: query.conditions[0].operator
|
|
}
|
|
} else {
|
|
query.operator = '';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return {
|
|
index: index,
|
|
query: query,
|
|
selected: selected
|
|
};
|
|
});
|
|
}
|
|
|
|
function parseFind(str) {
|
|
// takes a find query string, returns useful information about the application's state
|
|
// (selected lists, find input key/value (and index of the corresponding condition), query object)
|
|
var conditions,
|
|
index, indices,
|
|
ret = {
|
|
find: {index: -1, key: '', value: ''},
|
|
groups: [], // {index, query, selected}
|
|
list: '',
|
|
query: {conditions: [], operator: '&'}
|
|
},
|
|
subconditions = [];
|
|
if (str.length) {
|
|
// replace subconditions with placeholder,
|
|
// so we can later split by main operator
|
|
var counter = 0;
|
|
Ox.forEach(str, function(c, i) {
|
|
if (c == ']') {
|
|
counter--;
|
|
}
|
|
if (counter >= 1) {
|
|
subconditions[subconditions.length - 1] += c;
|
|
}
|
|
if (c == '[') {
|
|
(++counter == 1) && subconditions.push('');
|
|
}
|
|
});
|
|
subconditions.forEach(function(subcondition, i) {
|
|
str = str.replace(subcondition, i);
|
|
});
|
|
if (str.indexOf(',') > -1) {
|
|
ret.query.operator = '&';
|
|
} else if (str.indexOf('|') > -1) {
|
|
ret.query.operator = '|';
|
|
}
|
|
ret.query.conditions = (
|
|
ret.query.operator == '' ? [str] : str.split(ret.query.operator == '&' ? ',' : '|')
|
|
).map(function(condition, i) {
|
|
var kv, ret;
|
|
if (condition[0] == '[') {
|
|
// re-insert subcondition
|
|
ret = parseFind(subconditions[parseInt(Ox.sub(condition, 1, -1))]).query;
|
|
} else {
|
|
kv = ((condition.indexOf(':') > -1 ? '' : ':') + condition).split(':');
|
|
ret = Ox.extend({key: kv[0]}, parseValue(kv[1]));
|
|
}
|
|
return ret;
|
|
});
|
|
// a list is selected if exactly one condition in an & query
|
|
// has "list" as key and "" as operator
|
|
if (ret.query.operator != '|') {
|
|
index = oneCondition(ret.query.conditions, 'list', '');
|
|
if (index > -1 && !ret.query.conditions[index].conditions) {
|
|
ret.list = ret.query.conditions[index].value;
|
|
}
|
|
}
|
|
ret.groups = getGroupsData(ret.query);
|
|
// find is populated if exactly one condition in an & query
|
|
// has a findKey as key and "" as operator
|
|
// (and all other conditions are either list or groups)
|
|
// or if all conditions in an | query have the same group id as key
|
|
if (ret.query.operator == '|') {
|
|
ret.find = {index: -1, key: 'advanced', value: ''};
|
|
Ox.map(pandora.user.ui.groups, function(key) {
|
|
if (everyCondition(ret.query.conditions, key, '=')) {
|
|
ret.find.key = '';
|
|
return false;
|
|
}
|
|
});
|
|
} else {
|
|
// number of conditions that are not list or groups
|
|
conditions = ret.query.conditions.length
|
|
- (ret.list != '')
|
|
- ret.groups.filter(function(group) {
|
|
return group.index > -1;
|
|
}).length;
|
|
// indices of non-advanced find queries
|
|
indices = Ox.map(pandora.site.findKeys, function(findKey) {
|
|
var key = findKey.id == 'all' ? '' : findKey.id,
|
|
index = oneCondition(ret.query.conditions, key, '');
|
|
return index > -1 ? index : null;
|
|
});
|
|
if (conditions > 0 || indices.length > 0) {
|
|
ret.find = (
|
|
conditions == 1 && indices.length == 1
|
|
&& !ret.query.conditions[indices[0]].conditions
|
|
) ? {
|
|
index: indices[0],
|
|
key: ret.query.conditions[indices[0]].key,
|
|
value: decodeURIComponent(ret.query.conditions[indices[0]].value)
|
|
} : {index: -1, key: 'advanced', value: ''}
|
|
}
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
function oneCondition(conditions, key, operator) {
|
|
// if exactly one condition has the given key and operator
|
|
// (including conditions where all subconditions match)
|
|
// returns the corresponding index, otherwise returns -1
|
|
var indices = Ox.map(conditions, function(condition, i) {
|
|
return (
|
|
condition.conditions
|
|
? everyCondition(condition.conditions, key, operator)
|
|
: condition.key == key && condition.operator == operator
|
|
) ? i : null;
|
|
});
|
|
return indices.length == 1 ? indices[0] : -1;
|
|
}
|
|
|
|
function parseValue(str) {
|
|
var value = {
|
|
value: decodeURI(str),
|
|
operator: ''
|
|
};
|
|
if (value.value[0] == '!') {
|
|
value.operator = '!';
|
|
value.value = value.value.substr(1);
|
|
}
|
|
if ('^<>'.indexOf(value.value[0]) > -1) {
|
|
value.operator += value.value[0];
|
|
value.value = value.value.substr(1);
|
|
}
|
|
if (value.value.substr(-1) == '$') {
|
|
value.operator += '$';
|
|
value.value = value.value.substr(0, value.value.length - 1);
|
|
}
|
|
value.operator = value.operator.replace('^$', '=');
|
|
return value;
|
|
}
|
|
|
|
return {
|
|
|
|
fromString: function(str) {
|
|
var query = Ox.unserialize(str),
|
|
data = parseFind(query.find || '');
|
|
Ox.print(Ox.repeat('-', 120));
|
|
Ox.print('STATE', data);
|
|
Ox.print(Ox.repeat('-', 120));
|
|
pandora.UI.set({list: data.list});
|
|
!pandora.user.ui.lists[data.list] && pandora.UI.set(
|
|
'lists|' + data.list, pandora.site.user.ui.lists['']
|
|
);
|
|
pandora.user.ui.find = data.find;
|
|
pandora.user.ui.groupsData = data.groups;
|
|
pandora.user.ui.query = data.query;
|
|
if ('sort' in query) {
|
|
pandora.UI.set('lists|' + pandora.user.ui.list + '|sort', query.sort.split(',').map(function(v) {
|
|
var hasOperator = '+-'.indexOf(v[0]) > -1,
|
|
key = hasOperator ? v.substr(1) : v,
|
|
operator = hasOperator ? v[0]/*.replace('+', '')*/ : pandora.getSortOperator(key);
|
|
return {
|
|
key: key,
|
|
operator: operator
|
|
};
|
|
}));
|
|
}
|
|
/*
|
|
if ('view' in query) {
|
|
pandora.UI.set(['lists', pandora.user.ui.list, 'listView'].join('|'), query.view);
|
|
}
|
|
*/
|
|
},
|
|
|
|
/*
|
|
toObject: function(groupId) {
|
|
//Ox.print('tO', pandora.user.ui.findQuery.conditions)
|
|
// the inner $.merge() creates a clone
|
|
var conditions = $.merge(
|
|
$.merge([], pandora.user.ui.listQuery.conditions),
|
|
pandora.user.ui.findQuery.conditions
|
|
),
|
|
operator;
|
|
$.merge(conditions, pandora.user.queryGroups ? $.map(pandora.user.queryGroups, function(v, i) {
|
|
if (v.id != groupId && v.query.conditions.length) {
|
|
return v.query.conditions.length == 1 ?
|
|
v.query.conditions : v.query;
|
|
}
|
|
}) : []);
|
|
operator = conditions.length < 2 ? '' : ','; // fixme: should be &
|
|
//Ox.print('>>', groupId, pandora.user.ui.find, conditions);
|
|
return {
|
|
conditions: conditions,
|
|
operator: operator
|
|
};
|
|
},
|
|
*/
|
|
|
|
toString: function() {
|
|
//Ox.print('tS', pandora.user.ui.find)
|
|
if (!pandora.user.ui.item) {
|
|
var sort = pandora.user.ui.lists[pandora.user.ui.list].sort[0],
|
|
key = sort.key,
|
|
operator = sort.operator;
|
|
return pandora.user.ui.lists[pandora.user.ui.list].listView + '/?' + Ox.serialize({
|
|
find: constructFind(pandora.user.ui.query),
|
|
sort: (operator == pandora.getSortOperator(key) ? '' : operator) + key
|
|
});
|
|
|
|
} else {
|
|
return pandora.user.ui.item + '/' + pandora.user.ui.itemView;
|
|
}
|
|
},
|
|
|
|
updateGroups: function() {
|
|
pandora.user.ui.groupsData = getGroupsData(pandora.user.ui.query);
|
|
}
|
|
|
|
};
|
|
|
|
})();
|