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update the state watcher

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rely on the new promise mutation api, only save when an update is triggered
This commit is contained in:
Joe Fleming 2015-05-14 12:03:12 -07:00
parent 2230ca641b
commit 4c7f820aaf
1 changed files with 40 additions and 32 deletions
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72
src/kibana/components/filter_bar/query_filter.js
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@ -286,42 +286,50 @@ define(function (require) {
var newFilters = [];
var oldFilters = [];
// iterate over each state type, checking for changes
stateWatchers.forEach(function (watcher, i) {
var nextVal = next[i];
var prevVal = prev[i];
newFilters = newFilters.concat(nextVal);
oldFilters = oldFilters.concat(prevVal);
// no update or fetch if there was no change
if (nextVal === prevVal) return;
if (nextVal) doUpdate = true;
// don't trigger fetch when only disabled filters
if (!onlyDisabled(nextVal, prevVal)) doFetch = true;
});
// make sure change wasn't only a state move
if (doFetch && newFilters.length === oldFilters.length) {
if (onlyStateChanged(newFilters, oldFilters)) doFetch = false;
}
// reconcile filter in global and app states
var filters = mergeAndMutateFilters(next[0], next[1]);
globalState.filters = filters[0];
var appState = getAppState();
if (appState) {
appState.filters = filters[1];
}
saveState();
var filters = mergeAndMutateFilters(next[0], next[1])
.then(function (filters) {
var globalFilters = filters[0];
var appFilters = filters[1];
var appState = getAppState();
if (!doUpdate) return;
getActions();
return queryFilter.emit('update')
.then(function () {
if (!doFetch) return;
return queryFilter.emit('fetch');
// if there's no update, we're done
if (!doUpdate) return;
// save the state, as it may have updated
saveState();
// emit the required events
return queryFilter.emit('update')
.then(function () {
if (!doFetch) return;
return queryFilter.emit('fetch');
});
});
// iterate over each state type, checking for changes
function getActions() {
stateWatchers.forEach(function (watcher, i) {
var nextVal = next[i];
var prevVal = prev[i];
newFilters = newFilters.concat(nextVal);
oldFilters = oldFilters.concat(prevVal);
// no update or fetch if there was no change
if (nextVal === prevVal) return;
if (nextVal) doUpdate = true;
// don't trigger fetch when only disabled filters
if (!onlyDisabled(nextVal, prevVal)) doFetch = true;
});
// make sure change wasn't only a state move
if (doFetch && newFilters.length === oldFilters.length) {
if (onlyStateChanged(newFilters, oldFilters)) doFetch = false;
}
}
});
}
}