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Now compatible with Android (and other)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,133 +1,141 @@ | ||
| var args = arguments[0] || {}; | ||
|
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| var options = { | ||
| height: 50 | ||
| msgTap: L('isTap', 'Tap to load more...'), | ||
| msgDone: L('isDone', 'No more to load...'), | ||
| msgError: L('isError', 'Tap to try again...') | ||
| }; | ||
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| var attached = false; | ||
| var loading = false; | ||
| var shown = false; | ||
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| var item = null; | ||
| var offset = null; | ||
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| function show() { | ||
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| if (!attached || shown) { | ||
| return false; | ||
| } | ||
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| shown = true; | ||
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| $.isIndicator.show(); | ||
| $.is.height = options.height; | ||
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| return true; | ||
| var loading = false, | ||
| position = null; | ||
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| init(); | ||
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| function init() { | ||
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| // delete special args | ||
| delete args.__parentSymbol; | ||
| delete args.__itemTemplate; | ||
| delete args.$model; | ||
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| // set args as options | ||
| setOptions(args); | ||
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| // set default text & remove indicator | ||
| $.isText.text = options.msgTap; | ||
| $.is.remove($.isIndicator); | ||
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| // listen to scroll | ||
| __parentSymbol.addEventListener('scroll', onScroll); | ||
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| return; | ||
| } | ||
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| function hide() { | ||
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| if (!attached || !shown) { | ||
| return false; | ||
| } | ||
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| $.is.height = 0; | ||
| $.isIndicator.hide(); | ||
|
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| shown = false; | ||
| loading = false; | ||
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| return true; | ||
| function state(state, message) { | ||
|
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| // remove indicator | ||
| $.isIndicator.hide(); | ||
| $.is.remove($.isIndicator); | ||
|
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| // set custom message | ||
| if (message) { | ||
| $.isText.text = message; | ||
|
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| // set state message | ||
| } else { | ||
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| if (state === 0 || state === false) { | ||
| $.isText.text = options.msgError; | ||
| } else if (state === -1) { | ||
| $.isText.text = options.msgDone; | ||
| } else if (state === 1 || state === true) { | ||
| $.isText.text = options.msgTap; | ||
| } else { | ||
| throw Error('Pass a valid state'); | ||
| } | ||
| } | ||
|
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| // add text | ||
| $.is.add($.isText); | ||
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| loading = false; | ||
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| return true; | ||
| } | ||
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| function load() { | ||
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| if (!attached || loading) { | ||
| return false; | ||
| } | ||
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| loading = true; | ||
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| show(); | ||
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| $.trigger('end'); | ||
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| return true; | ||
| } | ||
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| function scrollListener(e) { | ||
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| if (OS_ANDROID) { | ||
| var triggerLoad = triggerLoad || (item && e.firstVisibleItem > item) && (e.totalItemCount < e.firstVisibleItem + e.visibleItemCount); | ||
| item = e.firstVisibleItem; | ||
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| } else if (OS_IOS) { | ||
| var triggerLoad = triggerLoad || (offset && e.contentOffset.y > offset) && (e.contentOffset.y + e.size.height > e.contentSize.height); | ||
| offset = e.contentOffset.y; | ||
| } | ||
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| if (triggerLoad) { | ||
| load(); | ||
| } | ||
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| return; | ||
| } | ||
| if (loading) { | ||
| return false; | ||
| } | ||
|
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| function setOptions(_properties) { | ||
| _.extend(options, _properties); | ||
| } | ||
| loading = true; | ||
|
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| // remove text | ||
| $.is.remove($.isText); | ||
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| function attach(set) { | ||
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| if (attached) { | ||
| return false; | ||
| } | ||
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| $.is.height = 0; | ||
| __parentSymbol.footerView = $.is; | ||
| // add indicator | ||
| $.is.add($.isIndicator); | ||
| $.isIndicator.show(); | ||
|
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| init(); | ||
| // trigger listener to load | ||
| $.trigger('end', { | ||
| success: function (msg) { return state(exports.SUCCESS, msg); }, | ||
| error: function (msg) { return state(exports.ERROR, msg); }, | ||
| done: function (msg) { return state(exports.DONE, msg); }, | ||
| }); | ||
|
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| return true; | ||
| return true; | ||
| } | ||
|
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| function init() { | ||
| __parentSymbol.addEventListener('scroll', scrollListener); | ||
|
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| attached = true; | ||
| loading = false; | ||
| shown = false; | ||
| function onScroll(e) { | ||
| var triggerLoad; | ||
|
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| item = null; | ||
| offset = null; | ||
| if (OS_ANDROID) { | ||
|
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| return; | ||
| } | ||
| // last item shown | ||
| triggerLoad = (position && e.firstVisibleItem > position && e.totalItemCount <= (e.firstVisibleItem + e.visibleItemCount)); | ||
|
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| function dettach() { | ||
| // remember position | ||
| position = e.firstVisibleItem; | ||
|
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| if (!attached) { | ||
| return false; | ||
| } | ||
| } else if (OS_IOS) { | ||
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| __parentSymbol.footerView = null; | ||
| // last pixel shown | ||
| triggerLoad = (position && e.contentOffset.y > position) && (e.contentOffset.y + e.size.height > e.contentSize.height); | ||
|
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| __parentSymbol.removeEventListener('scroll', scrollListener); | ||
| // remember position | ||
| position = e.contentOffset.y; | ||
| } | ||
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| attached = false; | ||
| // trigger | ||
| if (triggerLoad) { | ||
| load(); | ||
| } | ||
|
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| return true; | ||
| return; | ||
| } | ||
|
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| delete args.__parentSymbol; | ||
| function dettach() { | ||
|
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| setOptions(args); | ||
| // set as done | ||
| state(exports.DONE); | ||
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| init(); | ||
| // remove listener | ||
| __parentSymbol.removeEventListener('scroll', onScroll); | ||
|
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| return; | ||
| } | ||
|
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| function setOptions(_properties) { | ||
| _.extend(options, _properties); | ||
| } | ||
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| exports.SUCCESS = 1; | ||
| exports.ERROR = 0; | ||
| exports.DONE = -1; | ||
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| exports.setOptions = setOptions; | ||
| exports.show = show; | ||
| exports.hide = hide; | ||
| exports.load = load; | ||
| exports.dettach = dettach; | ||
| exports.attach = attach; | ||
| exports.state = state; | ||
| exports.dettach = dettach; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,11 +1,22 @@ | ||
| ".is": { | ||
| height: 0 | ||
| top: 0, | ||
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| width: Ti.UI.FILL, | ||
| height: 50, | ||
| } | ||
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| ".isIndicator": { | ||
| style: Ti.UI.ActivityIndicatorStyle.DARK | ||
| style: Ti.UI.ActivityIndicatorStyle.DARK | ||
| } | ||
|
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| ".isIndicator[platform=ios]": { | ||
| style: Ti.UI.iPhone.ActivityIndicatorStyle.DARK | ||
| style: Ti.UI.iPhone.ActivityIndicatorStyle.DARK | ||
| } | ||
|
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| ".isText": { | ||
| color: '#777', | ||
| font: { | ||
| fontSize: 13, | ||
| fontWeight: 'bold' | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,7 +1,8 @@ | ||
| <Alloy> | ||
| <FooterView> | ||
| <View id="is" class="stl"> | ||
| <ActivityIndicator id="isIndicator" class="isIndicator" /> | ||
| </View> | ||
| </FooterView> | ||
| <FooterView> | ||
| <View id="is" class="is"> | ||
| <Label id="isText" class="isText" /> | ||
| <ActivityIndicator id="isIndicator" class="isIndicator" /> | ||
| </View> | ||
| </FooterView> | ||
| </Alloy> |
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