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PSTCollectionView

Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+

You want to use UICollectionView, but still need to support older versions of iOS? Then you're gonna love this project. Originally I wrote it for PSPDFKit, my iOS PDF framework that supports text selection and annotations, but this project seemed way too useful for others to keep it for myself :)

If you want to have PSTCollectionView on iOS4.3/5.x and UICollectionView on iOS6, use PSUICollectionView (basically add PS on any UICollectionView class to get auto-support for older iOS versions)* If you always want to use PSTCollectionView, use PSTCollectionView as class names. (replace the UI with PST)

Current State

Most features work, including the flow layout with fixed or dynamic cell sizes and supplementary views. If you're not doing something fancy, it should just work. PSTCollectionView is also internally designed very closesly to UICollectionView and thus a great study if you're wondering how UICollectionView works. See HowTo for helpful details.

How can I help?

The best way is if you're already using UICollectionView somewhere. Add PSTCollectionView and try it on iOS4/5. Check if everything works, fix bugs until the result is 1:1 the one of iOS6. You can also just pick an issue fron the Issue Tracker and start working there.

Or start playing around with one of the WWDC examples and try to make them work with PSTCollectionView. Most of them already do, but just not as perfect.

You could also write a Pintrest-style layout manager. Can't be that hard.

Animations

Thanks to Sergey Gavrilyuk (@octogavrix), animations are supported. It's not perfect yet (see LineExample), but it's a great start.

ARC

PSTCollectionView works with Xcode 4.5.2+ and ARC.

Dependencies

PSTCollectionView needs the QuartzCore.framework.

Interoperability

Another goal (at least super useful for debugging) is interoperability between UI/PS classes:

UICollectionViewFlowLayout *flowLayout = [UICollectionViewFlowLayout new];
PSTCollectionView *collectionView = [PSTCollectionView alloc] initWithFrame:self.view.bounds collectionViewLayout:(PSTCollectionViewFlowLayout *)flowLayout];

(*) Note that for some methods we can't use the _ underscore variants or we risk to get a false-positive on private API use. I've added some runtime hacks to dynamcially add block forwarders for those cases (mainly for UI/PST interoperability)

Creator

Peter Steinberger (@steipete) and lots of others! See Contributors for a graph. Thanks everyone!

License

PSTCollectionView is available under the MIT license. See the LICENSE file for more info.

About

Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+

petersteinberger.com

Resources

Readme
MIT license
Activity

Stars

0 stars

Watchers

1 watching

Forks

0 forks
Report repository

Releases

Packages

Contributors

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
BranchesTags
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PSTCollectionView
Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+
You want to use UICollectionView, but still need to support older versions of iOS? Then you're gonna love this project.
Originally I wrote it for PSPDFKit, my iOS PDF framework that supports text selection and annotations, but this project seemed way too useful for others to keep it for myself :)
If you want to have PSTCollectionView on iOS4.3/5.x and UICollectionView on iOS6, use PSUICollectionView (basically add PS on any UICollectionView class to get auto-support for older iOS versions)*
If you always want to use PSTCollectionView, use PSTCollectionView as class names. (replace the UI with PST)
Current State
Most features work, including the flow layout with fixed or dynamic cell sizes and supplementary views. If you're not doing something fancy, it should just work.
PSTCollectionView is also internally designed very closesly to UICollectionView and thus a great study if you're wondering how UICollectionView works. See HowTo for helpful details.
How can I help?
The best way is if you're already using UICollectionView somewhere. Add PSTCollectionView and try it on iOS4/5. Check if everything works, fix bugs until the result is 1:1 the one of iOS6. You can also just pick an issue fron the Issue Tracker and start working there.
Or start playing around with one of the WWDC examples and try to make them work with PSTCollectionView. Most of them already do, but just not as perfect.
You could also write a Pintrest-style layout manager. Can't be that hard.
Animations
Thanks to Sergey Gavrilyuk (@octogavrix), animations are supported. It's not perfect yet (see LineExample), but it's a great start.
ARC
PSTCollectionView works with Xcode 4.5.2+ and ARC.
Dependencies
PSTCollectionView needs the QuartzCore.framework.
Interoperability
Another goal (at least super useful for debugging) is interoperability between UI/PS classes:
UICollectionViewFlowLayout *flowLayout = [UICollectionViewFlowLayout new];
PSTCollectionView *collectionView = [PSTCollectionView alloc] initWithFrame:self.view.bounds collectionViewLayout:(PSTCollectionViewFlowLayout *)flowLayout];
(*) Note that for some methods we can't use the _ underscore variants or we risk to get a false-positive on private API use. I've added some runtime hacks to dynamcially add block forwarders for those cases (mainly for UI/PST interoperability)
Creator
Peter Steinberger (@steipete)
and lots of others! See Contributors for a graph. Thanks everyone!
License
PSTCollectionView is available under the MIT license. See the LICENSE file for more info.
About
Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+
petersteinberger.com
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
PSTCollectionView
Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+
You want to use UICollectionView, but still need to support older versions of iOS? Then you're gonna love this project.
Originally I wrote it for PSPDFKit, my iOS PDF framework that supports text selection and annotations, but this project seemed way too useful for others to keep it for myself :)
If you want to have PSTCollectionView on iOS4.3/5.x and UICollectionView on iOS6, use PSUICollectionView (basically add PS on any UICollectionView class to get auto-support for older iOS versions)*
If you always want to use PSTCollectionView, use PSTCollectionView as class names. (replace the UI with PST)
Current State
Most features work, including the flow layout with fixed or dynamic cell sizes and supplementary views. If you're not doing something fancy, it should just work.
PSTCollectionView is also internally designed very closesly to UICollectionView and thus a great study if you're wondering how UICollectionView works. See HowTo for helpful details.
How can I help?
The best way is if you're already using UICollectionView somewhere. Add PSTCollectionView and try it on iOS4/5. Check if everything works, fix bugs until the result is 1:1 the one of iOS6. You can also just pick an issue fron the Issue Tracker and start working there.
Or start playing around with one of the WWDC examples and try to make them work with PSTCollectionView. Most of them already do, but just not as perfect.
You could also write a Pintrest-style layout manager. Can't be that hard.
Animations
Thanks to Sergey Gavrilyuk (@octogavrix), animations are supported. It's not perfect yet (see LineExample), but it's a great start.
ARC
PSTCollectionView works with Xcode 4.5.2+ and ARC.
Dependencies
PSTCollectionView needs the QuartzCore.framework.
Interoperability
Another goal (at least super useful for debugging) is interoperability between UI/PS classes:
UICollectionViewFlowLayout *flowLayout = [UICollectionViewFlowLayout new];
PSTCollectionView *collectionView = [PSTCollectionView alloc] initWithFrame:self.view.bounds collectionViewLayout:(PSTCollectionViewFlowLayout *)flowLayout];
(*) Note that for some methods we can't use the _ underscore variants or we risk to get a false-positive on private API use. I've added some runtime hacks to dynamcially add block forwarders for those cases (mainly for UI/PST interoperability)
Creator
Peter Steinberger (@steipete)
and lots of others! See Contributors for a graph. Thanks everyone!
License
PSTCollectionView is available under the MIT license. See the LICENSE file for more info.
About
Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+
petersteinberger.com
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
PSTCollectionView
Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+
You want to use UICollectionView, but still need to support older versions of iOS? Then you're gonna love this project.
Originally I wrote it for PSPDFKit, my iOS PDF framework that supports text selection and annotations, but this project seemed way too useful for others to keep it for myself :)
If you want to have PSTCollectionView on iOS4.3/5.x and UICollectionView on iOS6, use PSUICollectionView (basically add PS on any UICollectionView class to get auto-support for older iOS versions)*
If you always want to use PSTCollectionView, use PSTCollectionView as class names. (replace the UI with PST)
Current State
Most features work, including the flow layout with fixed or dynamic cell sizes and supplementary views. If you're not doing something fancy, it should just work.
PSTCollectionView is also internally designed very closesly to UICollectionView and thus a great study if you're wondering how UICollectionView works. See HowTo for helpful details.
How can I help?
The best way is if you're already using UICollectionView somewhere. Add PSTCollectionView and try it on iOS4/5. Check if everything works, fix bugs until the result is 1:1 the one of iOS6. You can also just pick an issue fron the Issue Tracker and start working there.
Or start playing around with one of the WWDC examples and try to make them work with PSTCollectionView. Most of them already do, but just not as perfect.
You could also write a Pintrest-style layout manager. Can't be that hard.
Animations
Thanks to Sergey Gavrilyuk (@octogavrix), animations are supported. It's not perfect yet (see LineExample), but it's a great start.
ARC
PSTCollectionView works with Xcode 4.5.2+ and ARC.
Dependencies
PSTCollectionView needs the QuartzCore.framework.
Interoperability
Another goal (at least super useful for debugging) is interoperability between UI/PS classes:
UICollectionViewFlowLayout *flowLayout = [UICollectionViewFlowLayout new];
PSTCollectionView *collectionView = [PSTCollectionView alloc] initWithFrame:self.view.bounds collectionViewLayout:(PSTCollectionViewFlowLayout *)flowLayout];
(*) Note that for some methods we can't use the _ underscore variants or we risk to get a false-positive on private API use. I've added some runtime hacks to dynamcially add block forwarders for those cases (mainly for UI/PST interoperability)
Creator
Peter Steinberger (@steipete)
and lots of others! See Contributors for a graph. Thanks everyone!
License
PSTCollectionView is available under the MIT license. See the LICENSE file for more info.
About
Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+
petersteinberger.com
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
BranchesTags
Repository files navigation
PSTCollectionView
Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+
You want to use UICollectionView, but still need to support older versions of iOS? Then you're gonna love this project.
Originally I wrote it for PSPDFKit, my iOS PDF framework that supports text selection and annotations, but this project seemed way too useful for others to keep it for myself :)
If you want to have PSTCollectionView on iOS4.3/5.x and UICollectionView on iOS6, use PSUICollectionView (basically add PS on any UICollectionView class to get auto-support for older iOS versions)*
If you always want to use PSTCollectionView, use PSTCollectionView as class names. (replace the UI with PST)
Current State
Most features work, including the flow layout with fixed or dynamic cell sizes and supplementary views. If you're not doing something fancy, it should just work.
PSTCollectionView is also internally designed very closesly to UICollectionView and thus a great study if you're wondering how UICollectionView works. See HowTo for helpful details.
How can I help?
The best way is if you're already using UICollectionView somewhere. Add PSTCollectionView and try it on iOS4/5. Check if everything works, fix bugs until the result is 1:1 the one of iOS6. You can also just pick an issue fron the Issue Tracker and start working there.
Or start playing around with one of the WWDC examples and try to make them work with PSTCollectionView. Most of them already do, but just not as perfect.
You could also write a Pintrest-style layout manager. Can't be that hard.
Animations
Thanks to Sergey Gavrilyuk (@octogavrix), animations are supported. It's not perfect yet (see LineExample), but it's a great start.
ARC
PSTCollectionView works with Xcode 4.5.2+ and ARC.
Dependencies
PSTCollectionView needs the QuartzCore.framework.
Interoperability
Another goal (at least super useful for debugging) is interoperability between UI/PS classes:
UICollectionViewFlowLayout *flowLayout = [UICollectionViewFlowLayout new];
PSTCollectionView *collectionView = [PSTCollectionView alloc] initWithFrame:self.view.bounds collectionViewLayout:(PSTCollectionViewFlowLayout *)flowLayout];
(*) Note that for some methods we can't use the _ underscore variants or we risk to get a false-positive on private API use. I've added some runtime hacks to dynamcially add block forwarders for those cases (mainly for UI/PST interoperability)
Creator
Peter Steinberger (@steipete)
and lots of others! See Contributors for a graph. Thanks everyone!
License
PSTCollectionView is available under the MIT license. See the LICENSE file for more info.
About
Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+
petersteinberger.com
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
PSTCollectionView
Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+
You want to use UICollectionView, but still need to support older versions of iOS? Then you're gonna love this project.
Originally I wrote it for PSPDFKit, my iOS PDF framework that supports text selection and annotations, but this project seemed way too useful for others to keep it for myself :)
If you want to have PSTCollectionView on iOS4.3/5.x and UICollectionView on iOS6, use PSUICollectionView (basically add PS on any UICollectionView class to get auto-support for older iOS versions)*
If you always want to use PSTCollectionView, use PSTCollectionView as class names. (replace the UI with PST)
Current State
Most features work, including the flow layout with fixed or dynamic cell sizes and supplementary views. If you're not doing something fancy, it should just work.
PSTCollectionView is also internally designed very closesly to UICollectionView and thus a great study if you're wondering how UICollectionView works. See HowTo for helpful details.
How can I help?
The best way is if you're already using UICollectionView somewhere. Add PSTCollectionView and try it on iOS4/5. Check if everything works, fix bugs until the result is 1:1 the one of iOS6. You can also just pick an issue fron the Issue Tracker and start working there.
Or start playing around with one of the WWDC examples and try to make them work with PSTCollectionView. Most of them already do, but just not as perfect.
You could also write a Pintrest-style layout manager. Can't be that hard.
Animations
Thanks to Sergey Gavrilyuk (@octogavrix), animations are supported. It's not perfect yet (see LineExample), but it's a great start.
ARC
PSTCollectionView works with Xcode 4.5.2+ and ARC.
Dependencies
PSTCollectionView needs the QuartzCore.framework.
Interoperability
Another goal (at least super useful for debugging) is interoperability between UI/PS classes:
UICollectionViewFlowLayout *flowLayout = [UICollectionViewFlowLayout new];
PSTCollectionView *collectionView = [PSTCollectionView alloc] initWithFrame:self.view.bounds collectionViewLayout:(PSTCollectionViewFlowLayout *)flowLayout];
(*) Note that for some methods we can't use the _ underscore variants or we risk to get a false-positive on private API use. I've added some runtime hacks to dynamcially add block forwarders for those cases (mainly for UI/PST interoperability)
Creator
Peter Steinberger (@steipete)
and lots of others! See Contributors for a graph. Thanks everyone!
License
PSTCollectionView is available under the MIT license. See the LICENSE file for more info.
About
Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+
petersteinberger.com
Resources
Readme
MIT license
Activity
Stars
0 stars
Watchers
1 watching
Forks
0 forks
Report repository
Releases
Packages
Contributors

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
BranchesTags
Repository files navigation
PSTCollectionView
Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+
You want to use UICollectionView, but still need to support older versions of iOS? Then you're gonna love this project.
Originally I wrote it for PSPDFKit, my iOS PDF framework that supports text selection and annotations, but this project seemed way too useful for others to keep it for myself :)
If you want to have PSTCollectionView on iOS4.3/5.x and UICollectionView on iOS6, use PSUICollectionView (basically add PS on any UICollectionView class to get auto-support for older iOS versions)*
If you always want to use PSTCollectionView, use PSTCollectionView as class names. (replace the UI with PST)
Current State
Most features work, including the flow layout with fixed or dynamic cell sizes and supplementary views. If you're not doing something fancy, it should just work.
PSTCollectionView is also internally designed very closesly to UICollectionView and thus a great study if you're wondering how UICollectionView works. See HowTo for helpful details.
How can I help?
The best way is if you're already using UICollectionView somewhere. Add PSTCollectionView and try it on iOS4/5. Check if everything works, fix bugs until the result is 1:1 the one of iOS6. You can also just pick an issue fron the Issue Tracker and start working there.
Or start playing around with one of the WWDC examples and try to make them work with PSTCollectionView. Most of them already do, but just not as perfect.
You could also write a Pintrest-style layout manager. Can't be that hard.
Animations
Thanks to Sergey Gavrilyuk (@octogavrix), animations are supported. It's not perfect yet (see LineExample), but it's a great start.
ARC
PSTCollectionView works with Xcode 4.5.2+ and ARC.
Dependencies
PSTCollectionView needs the QuartzCore.framework.
Interoperability
Another goal (at least super useful for debugging) is interoperability between UI/PS classes:
UICollectionViewFlowLayout *flowLayout = [UICollectionViewFlowLayout new];
PSTCollectionView *collectionView = [PSTCollectionView alloc] initWithFrame:self.view.bounds collectionViewLayout:(PSTCollectionViewFlowLayout *)flowLayout];
(*) Note that for some methods we can't use the _ underscore variants or we risk to get a false-positive on private API use. I've added some runtime hacks to dynamcially add block forwarders for those cases (mainly for UI/PST interoperability)
Creator
Peter Steinberger (@steipete)
and lots of others! See Contributors for a graph. Thanks everyone!
License
PSTCollectionView is available under the MIT license. See the LICENSE file for more info.
About
Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+
petersteinberger.com
Resources
Readme
MIT license
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, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

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PSTCollectionView
Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+
You want to use UICollectionView, but still need to support older versions of iOS? Then you're gonna love this project.
Originally I wrote it for PSPDFKit, my iOS PDF framework that supports text selection and annotations, but this project seemed way too useful for others to keep it for myself :)
If you want to have PSTCollectionView on iOS4.3/5.x and UICollectionView on iOS6, use PSUICollectionView (basically add PS on any UICollectionView class to get auto-support for older iOS versions)*
If you always want to use PSTCollectionView, use PSTCollectionView as class names. (replace the UI with PST)
Current State
Most features work, including the flow layout with fixed or dynamic cell sizes and supplementary views. If you're not doing something fancy, it should just work.
PSTCollectionView is also internally designed very closesly to UICollectionView and thus a great study if you're wondering how UICollectionView works. See HowTo for helpful details.
How can I help?
The best way is if you're already using UICollectionView somewhere. Add PSTCollectionView and try it on iOS4/5. Check if everything works, fix bugs until the result is 1:1 the one of iOS6. You can also just pick an issue fron the Issue Tracker and start working there.
Or start playing around with one of the WWDC examples and try to make them work with PSTCollectionView. Most of them already do, but just not as perfect.
You could also write a Pintrest-style layout manager. Can't be that hard.
Animations
Thanks to Sergey Gavrilyuk (@octogavrix), animations are supported. It's not perfect yet (see LineExample), but it's a great start.
ARC
PSTCollectionView works with Xcode 4.5.2+ and ARC.
Dependencies
PSTCollectionView needs the QuartzCore.framework.
Interoperability
Another goal (at least super useful for debugging) is interoperability between UI/PS classes:
UICollectionViewFlowLayout *flowLayout = [UICollectionViewFlowLayout new];
PSTCollectionView *collectionView = [PSTCollectionView alloc] initWithFrame:self.view.bounds collectionViewLayout:(PSTCollectionViewFlowLayout *)flowLayout];
(*) Note that for some methods we can't use the _ underscore variants or we risk to get a false-positive on private API use. I've added some runtime hacks to dynamcially add block forwarders for those cases (mainly for UI/PST interoperability)
Creator
Peter Steinberger (@steipete)
and lots of others! See Contributors for a graph. Thanks everyone!
License
PSTCollectionView is available under the MIT license. See the LICENSE file for more info.
About
Open Source, 100% API compatible replacement of UICollectionView for iOS4.3+
petersteinberger.com
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