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<!DOCTYPE html> <html> <head> <title>scroll.js</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To … <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="jquerypp.html"> jquerypp.js </a> <a class="source" href="animate.html"> animate.js </a> <a class="source" href="compare.html"> compare.js </a> <a class="source" href="cookie.html"> cookie.js </a> <a class="source" href="dimensions.html"> dimensions.js </a> <a class="source" href="form_params.html"> form_params.js </a> <a class="source" href="range.html"> range.js </a> <a class="source" href="selection.html"> selection.js </a> <a class="source" href="styles.html"> styles.js </a> <a class="source" href="within.html"> within.js </a> <a class="source" href="default.html"> default.js </a> <a class="source" href="destroyed.html"> destroyed.js </a> <a class="source" href="drag.html"> drag.js </a> <a class="source" href="core.html"> core.js </a> <a class="source" href="limit.html"> limit.js </a> <a class="source" href="scroll.html"> scroll.js </a> <a class="source" href="step.html"> step.js </a> <a class="source" href="drop.html"> drop.js </a> <a class="source" href="fastfix.html"> fastfix.js </a> <a class="source" href="hover.html"> hover.js </a> <a class="source" href="key.html"> key.js </a> <a class="source" href="livehack.html"> livehack.js </a> <a class="source" href="pause.html"> pause.js </a> <a class="source" href="resize.html"> resize.js </a> <a class="source" href="reverse.html"> reverse.js </a> <a class="source" href="swipe.html"> swipe.js </a> <a class="source" href="json.html"> json.js </a> <a class="source" href="vector.html"> vector.js </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> scroll.js </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">¶</a> </div> </td> <td class="code"> <div class="highlight"><pre><span class="p">(</span><span class="kd">function</span> <span class="p">(</span><span class="nx">$</span><span class="p">)</span> <span class="p">{</span> <span class="c1">//needs drop to determine if respondable</span>
<span class="nx">$</span><span class="p">.</span><span class="nx">Drag</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span>
<span class="nx">scrolls</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">elements</span><span class="p">,</span> <span class="nx">options</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">elements</span> <span class="o">=</span> <span class="nx">$</span><span class="p">(</span><span class="nx">elements</span><span class="p">);</span>
<span class="k">for</span> <span class="p">(</span><span class="kd">var</span> <span class="nx">i</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span> <span class="nx">i</span> <span class="o"><</span> <span class="nx">elements</span><span class="p">.</span><span class="nx">length</span><span class="p">;</span> <span class="nx">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">constructor</span><span class="p">.</span><span class="nx">responder</span><span class="p">.</span><span class="nx">_elements</span><span class="p">.</span><span class="nx">push</span><span class="p">(</span><span class="nx">elements</span><span class="p">.</span><span class="nx">eq</span><span class="p">(</span><span class="nx">i</span><span class="p">).</span><span class="nx">data</span><span class="p">(</span><span class="s2">"_dropData"</span><span class="p">,</span> <span class="k">new</span> <span class="nx">$</span><span class="p">.</span><span class="nx">Scrollable</span><span class="p">(</span><span class="nx">elements</span><span class="p">[</span><span class="nx">i</span><span class="p">],</span> <span class="nx">options</span><span class="p">))[</span><span class="mi">0</span><span class="p">])</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="nx">$</span><span class="p">.</span><span class="nx">Scrollable</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">element</span><span class="p">,</span> <span class="nx">options</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">element</span> <span class="o">=</span> <span class="nx">jQuery</span><span class="p">(</span><span class="nx">element</span><span class="p">);</span>
<span class="k">this</span><span class="p">.</span><span class="nx">options</span> <span class="o">=</span> <span class="nx">$</span><span class="p">.</span><span class="nx">extend</span><span class="p">({</span></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">¶</a> </div> <p>when we should start scrolling</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">distance</span><span class="o">:</span> <span class="mi">30</span><span class="p">,</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">¶</a> </div> <p>how far we should move</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">delta</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">diff</span><span class="p">,</span> <span class="nx">distance</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">(</span><span class="nx">distance</span> <span class="o">-</span> <span class="nx">diff</span><span class="p">)</span> <span class="o">/</span> <span class="mi">2</span><span class="p">;</span>
<span class="p">},</span>
<span class="nx">direction</span><span class="o">:</span> <span class="s2">"xy"</span>
<span class="p">},</span> <span class="nx">options</span><span class="p">);</span>
<span class="k">this</span><span class="p">.</span><span class="nx">x</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">options</span><span class="p">.</span><span class="nx">direction</span><span class="p">.</span><span class="nx">indexOf</span><span class="p">(</span><span class="s2">"x"</span><span class="p">)</span> <span class="o">!=</span> <span class="o">-</span><span class="mi">1</span><span class="p">;</span>
<span class="k">this</span><span class="p">.</span><span class="nx">y</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">options</span><span class="p">.</span><span class="nx">direction</span><span class="p">.</span><span class="nx">indexOf</span><span class="p">(</span><span class="s2">"y"</span><span class="p">)</span> <span class="o">!=</span> <span class="o">-</span><span class="mi">1</span><span class="p">;</span>
<span class="p">}</span>
<span class="nx">$</span><span class="p">.</span><span class="nx">extend</span><span class="p">(</span><span class="nx">$</span><span class="p">.</span><span class="nx">Scrollable</span><span class="p">.</span><span class="nx">prototype</span><span class="p">,</span> <span class="p">{</span>
<span class="nx">init</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">element</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">element</span> <span class="o">=</span> <span class="nx">jQuery</span><span class="p">(</span><span class="nx">element</span><span class="p">);</span>
<span class="p">},</span>
<span class="nx">callHandlers</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">method</span><span class="p">,</span> <span class="nx">el</span><span class="p">,</span> <span class="nx">ev</span><span class="p">,</span> <span class="nx">drag</span><span class="p">)</span> <span class="p">{</span>
<span class="k">this</span><span class="p">[</span><span class="nx">method</span><span class="p">](</span><span class="nx">el</span> <span class="o">||</span> <span class="k">this</span><span class="p">.</span><span class="nx">element</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="nx">ev</span><span class="p">,</span> <span class="k">this</span><span class="p">,</span> <span class="nx">drag</span><span class="p">)</span>
<span class="p">},</span>
<span class="nx">dropover</span><span class="o">:</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
<span class="p">},</span>
<span class="nx">dropon</span><span class="o">:</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">clear_timeout</span><span class="p">();</span>
<span class="p">},</span>
<span class="nx">dropout</span><span class="o">:</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
<span class="k">this</span><span class="p">.</span><span class="nx">clear_timeout</span><span class="p">();</span>
<span class="p">},</span>
<span class="nx">dropinit</span><span class="o">:</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
<span class="p">},</span>
<span class="nx">dropend</span><span class="o">:</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{},</span>
<span class="nx">clear_timeout</span><span class="o">:</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">interval</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">clearTimeout</span><span class="p">(</span><span class="k">this</span><span class="p">.</span><span class="nx">interval</span><span class="p">)</span>
<span class="k">this</span><span class="p">.</span><span class="nx">interval</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="nx">distance</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">diff</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="p">(</span><span class="mi">30</span> <span class="o">-</span> <span class="nx">diff</span><span class="p">)</span> <span class="o">/</span> <span class="mi">2</span><span class="p">;</span>
<span class="p">},</span>
<span class="nx">dropmove</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">el</span><span class="p">,</span> <span class="nx">ev</span><span class="p">,</span> <span class="nx">drop</span><span class="p">,</span> <span class="nx">drag</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">¶</a> </div> <p>if we were about to call a move, clear it.</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">this</span><span class="p">.</span><span class="nx">clear_timeout</span><span class="p">();</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">¶</a> </div> <p>position of the mouse</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">mouse</span> <span class="o">=</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">vector</span><span class="p">(),</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">¶</a> </div> <p>get the object we are going to get the boundries of</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">location_object</span> <span class="o">=</span> <span class="nx">$</span><span class="p">(</span><span class="nx">el</span> <span class="o">==</span> <span class="nb">document</span><span class="p">.</span><span class="nx">documentElement</span> <span class="o">?</span> <span class="nb">window</span> <span class="o">:</span> <span class="nx">el</span><span class="p">),</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">¶</a> </div> <p>get the dimension and location of that object</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">dimensions</span> <span class="o">=</span> <span class="nx">location_object</span><span class="p">.</span><span class="nx">dimensionsv</span><span class="p">(</span><span class="s1">'outer'</span><span class="p">),</span>
<span class="nx">position</span> <span class="o">=</span> <span class="nx">location_object</span><span class="p">.</span><span class="nx">offsetv</span><span class="p">(),</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">¶</a> </div> <p>how close our mouse is to the boundries</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">bottom</span> <span class="o">=</span> <span class="nx">position</span><span class="p">.</span><span class="nx">y</span><span class="p">()</span> <span class="o">+</span> <span class="nx">dimensions</span><span class="p">.</span><span class="nx">y</span><span class="p">()</span> <span class="o">-</span> <span class="nx">mouse</span><span class="p">.</span><span class="nx">y</span><span class="p">(),</span>
<span class="nx">top</span> <span class="o">=</span> <span class="nx">mouse</span><span class="p">.</span><span class="nx">y</span><span class="p">()</span> <span class="o">-</span> <span class="nx">position</span><span class="p">.</span><span class="nx">y</span><span class="p">(),</span>
<span class="nx">right</span> <span class="o">=</span> <span class="nx">position</span><span class="p">.</span><span class="nx">x</span><span class="p">()</span> <span class="o">+</span> <span class="nx">dimensions</span><span class="p">.</span><span class="nx">x</span><span class="p">()</span> <span class="o">-</span> <span class="nx">mouse</span><span class="p">.</span><span class="nx">x</span><span class="p">(),</span>
<span class="nx">left</span> <span class="o">=</span> <span class="nx">mouse</span><span class="p">.</span><span class="nx">x</span><span class="p">()</span> <span class="o">-</span> <span class="nx">position</span><span class="p">.</span><span class="nx">x</span><span class="p">(),</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">¶</a> </div> <p>how far we should scroll</p> </td> <td class="code"> <div class="highlight"><pre> <span class="nx">dx</span> <span class="o">=</span> <span class="mi">0</span><span class="p">,</span>
<span class="nx">dy</span> <span class="o">=</span> <span class="mi">0</span><span class="p">,</span>
<span class="nx">distance</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">options</span><span class="p">.</span><span class="nx">distance</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">¶</a> </div> <p>check if we should scroll</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">bottom</span> <span class="o"><</span> <span class="nx">distance</span> <span class="o">&&</span> <span class="k">this</span><span class="p">.</span><span class="nx">y</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">dy</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">options</span><span class="p">.</span><span class="nx">delta</span><span class="p">(</span><span class="nx">bottom</span><span class="p">,</span> <span class="nx">distance</span><span class="p">);</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">top</span> <span class="o"><</span> <span class="nx">distance</span> <span class="o">&&</span> <span class="k">this</span><span class="p">.</span><span class="nx">y</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">dy</span> <span class="o">=</span> <span class="o">-</span><span class="k">this</span><span class="p">.</span><span class="nx">options</span><span class="p">.</span><span class="nx">delta</span><span class="p">(</span><span class="nx">top</span><span class="p">,</span> <span class="nx">distance</span><span class="p">);</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">right</span> <span class="o"><</span> <span class="nx">distance</span> <span class="o">&&</span> <span class="k">this</span><span class="p">.</span><span class="nx">options</span> <span class="o">&&</span> <span class="k">this</span><span class="p">.</span><span class="nx">x</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">dx</span> <span class="o">=</span> <span class="k">this</span><span class="p">.</span><span class="nx">options</span><span class="p">.</span><span class="nx">delta</span><span class="p">(</span><span class="nx">right</span><span class="p">,</span> <span class="nx">distance</span><span class="p">);</span>
<span class="p">}</span> <span class="k">else</span> <span class="k">if</span> <span class="p">(</span><span class="nx">left</span> <span class="o"><</span> <span class="nx">distance</span> <span class="o">&&</span> <span class="k">this</span><span class="p">.</span><span class="nx">x</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">dx</span> <span class="o">=</span> <span class="o">-</span><span class="k">this</span><span class="p">.</span><span class="nx">options</span><span class="p">.</span><span class="nx">delta</span><span class="p">(</span><span class="nx">left</span><span class="p">,</span> <span class="nx">distance</span><span class="p">);</span>
<span class="p">}</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">¶</a> </div> <p>if we should scroll</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="p">(</span><span class="nx">dx</span> <span class="o">||</span> <span class="nx">dy</span><span class="p">)</span> <span class="p">{</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">¶</a> </div> <p>set a timeout that will create a mousemove on that object</p> </td> <td class="code"> <div class="highlight"><pre> <span class="kd">var</span> <span class="nx">self</span> <span class="o">=</span> <span class="k">this</span><span class="p">;</span>
<span class="k">this</span><span class="p">.</span><span class="nx">interval</span> <span class="o">=</span> <span class="nx">setTimeout</span><span class="p">(</span><span class="kd">function</span> <span class="p">()</span> <span class="p">{</span>
<span class="nx">self</span><span class="p">.</span><span class="nx">move</span><span class="p">(</span><span class="nx">$</span><span class="p">(</span><span class="nx">el</span><span class="p">),</span> <span class="nx">drag</span><span class="p">.</span><span class="nx">movingElement</span><span class="p">,</span> <span class="nx">dx</span><span class="p">,</span> <span class="nx">dy</span><span class="p">,</span> <span class="nx">ev</span><span class="p">,</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">clientX</span><span class="p">,</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">clientY</span><span class="p">,</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">screenX</span><span class="p">,</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">screenY</span><span class="p">)</span>
<span class="p">},</span> <span class="mi">15</span><span class="p">)</span>
<span class="p">}</span>
<span class="p">},</span>
<span class="nx">move</span><span class="o">:</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">scroll_element</span><span class="p">,</span> <span class="nx">drag_element</span><span class="p">,</span> <span class="nx">dx</span><span class="p">,</span> <span class="nx">dy</span><span class="p">,</span> <span class="nx">ev</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">scroll_element</span><span class="p">.</span><span class="nx">scrollTop</span><span class="p">(</span><span class="nx">scroll_element</span><span class="p">.</span><span class="nx">scrollTop</span><span class="p">()</span> <span class="o">+</span> <span class="nx">dy</span><span class="p">);</span>
<span class="nx">scroll_element</span><span class="p">.</span><span class="nx">scrollLeft</span><span class="p">(</span><span class="nx">scroll_element</span><span class="p">.</span><span class="nx">scrollLeft</span><span class="p">()</span> <span class="o">+</span> <span class="nx">dx</span><span class="p">);</span>
<span class="nx">drag_element</span><span class="p">.</span><span class="nx">trigger</span><span class="p">(</span>
<span class="nx">$</span><span class="p">.</span><span class="nx">event</span><span class="p">.</span><span class="nx">fix</span><span class="p">({</span>
<span class="nx">type</span><span class="o">:</span> <span class="s2">"mousemove"</span><span class="p">,</span>
<span class="nx">clientX</span><span class="o">:</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">clientX</span><span class="p">,</span>
<span class="nx">clientY</span><span class="o">:</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">clientY</span><span class="p">,</span>
<span class="nx">screenX</span><span class="o">:</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">screenX</span><span class="p">,</span>
<span class="nx">screenY</span><span class="o">:</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">screenY</span><span class="p">,</span>
<span class="nx">pageX</span><span class="o">:</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">pageX</span><span class="p">,</span>
<span class="nx">pageY</span><span class="o">:</span> <span class="nx">ev</span><span class="p">.</span><span class="nx">pageY</span>
<span class="p">}))</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">¶</a> </div> <p>drag_element.synthetic('mousemove',{clientX: x, clientY: y, screenX: sx, screenY: sy})</p> </td> <td class="code"> <div class="highlight"><pre> <span class="p">}</span>
<span class="p">})</span>
<span class="k">return</span> <span class="nx">$</span><span class="p">;</span>
<span class="p">})(</span><span class="nx">jQuery</span><span class="p">);</span>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>