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Merge pull request #223 from AtlasOfLivingAustralia/feature/issue219
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Only pre-pop fields that exist in the result #219
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salomon-j authored Jan 4, 2024
2 parents 5b43fe8 + 76a367e commit 6f373d6
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Showing 3 changed files with 36 additions and 21 deletions.
42 changes: 32 additions & 10 deletions grails-app/assets/javascripts/forms-knockout-bindings.js
Original file line number Diff line number Diff line change
Expand Up @@ -1193,28 +1193,50 @@

var dataLoader = new ecodata.forms.dataLoader(dataLoaderContext, dataModelItem.config);

function doLoad(propTarget, value) {

if (_.isFunction(propTarget.loadData)) {
propTarget.loadData(value);
} else if (_.isFunction(propTarget.load)) {
propTarget.load(value);
} else if (ko.isObservable(propTarget)) {
propTarget(value);
} else {
console.log("Warning: target for pre-populate is invalid");
}
}
var dependencyTracker = ko.computed(function () {
dataModelItem(); // register dependency on the observable.
dataLoader.prepop(config).done(function (data) {
data = data || {};
var target = config.target;
if (!target) {
var configTarget = config.target;
var target;
if (!configTarget) {
target = viewModel;
}
else {
target = dataModelItem.findNearestByName(target, bindingContext);
target = dataModelItem.findNearestByName(configTarget.name, bindingContext);
}
if (!target) {
throw "Unable to locate target for pre-population: "+target;
}
if (_.isFunction(target.loadData)) {
target.loadData(data);
} else if (_.isFunction(target.load)) {
target.load(data);
} else if (ko.isObservable(target)) {
if (configTarget.type == "singleValue") {
// This needs to be done to load data into the feature data type due to the awkward
// way the loadData method uses the feature id from the reporting site and the
// direct observable accepts geojson.
target(data);
} else {
console.log("Warning: target for pre-populate is invalid");
}
else if (configTarget.type == "singleLoad") {
doLoad(target, data);
}
else {
target = target.data || target;
for (var prop in data) {
if (target.hasOwnProperty(prop)) {
var propTarget = target[prop];
doLoad(propTarget, data[prop]);
}
}
}

}); // This is a computed rather than a pureComputed as it has a side effect.
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11 changes: 1 addition & 10 deletions grails-app/conf/example_models/behavioursExample.json
Original file line number Diff line number Diff line change
Expand Up @@ -45,22 +45,13 @@
"name": "param",
"type": "computed",
"expression": "item5"
},
{
"name": "item5",
"type": "computed",
"expression": "item5"
}
]
},
"mapping": [
{
"source-path": "param",
"target": "item6"
},
{
"source-path": "item5",
"target": "item5"
}
],
"target": "$data"
Expand Down Expand Up @@ -119,7 +110,7 @@
"items": [
{
"type": "literal",
"source": "Note for this example, data entered into item5 will trigger a pre-pop call and be mapped back to item5 and item6. Note that the target of the pre-pop is $data which is the current binding context (or the root object in this case). A current limitation is the load method is used, which means if the pre-pop result does not contain keys for all data in the target object, the data for missing fields will be set to undefined. A planned enhancement is to only replace data where keys in the pre-pop data exist."
"source": "Note for this example, data entered into item5 will trigger a pre-pop call and be mapped back to item6. Note that the target of the pre-pop is $data which is the current binding context (or the root object in this case). A current limitation is the load method is used for all keys in the returned data, which means if the data is nested and the pre-pop result does not contain keys for all nested data in the nested target object, the data for missing fields will be set to undefined."
}
]
}
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4 changes: 3 additions & 1 deletion src/test/js/spec/TriggerPrePopulateBindingSpec.js
Original file line number Diff line number Diff line change
Expand Up @@ -25,7 +25,9 @@ describe("triggerPrePopulate binding handler Spec", function () {
source: {
"context-path":"test"
},
target: "item2"
target: {
name:"item2"
}

}
}
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