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Author Topic: prev . next via keyboard arrows??  (Read 11157 times)

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ir803

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prev . next via keyboard arrows??
« on: February 13, 2007, 06:24:07 pm »

Is it possible to code hard kard keyboard control to the previous and next image previews ? I've seen this on other sites but not a database driven site so 1. I don't know how you would do it, and 2. I don't know if you could do it.
Sorry if this is in the wrong section, I wasn't sure where to ask.
« Last Edit: May 24, 2007, 07:31:57 am by TranzNDance »
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Nibbler

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Re: prev . next via keyboard arrows??
« Reply #1 on: February 13, 2007, 06:39:04 pm »

You can give them an accesskey, here p and n.

Code: [Select]
// HTML template for the image navigation bar
$template_img_navbar = <<<EOT

        <tr>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{THUMB_TGT}" class="navmenu_pic" title="{THUMB_TITLE}"><img src="{LOCATION}images/thumbnails.gif" align="middle" border="0" alt="{THUMB_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="javascript:;" class="navmenu_pic" onclick="blocking('picinfo','yes', 'block'); return false;" title="{PIC_INFO_TITLE}"><img src="{LOCATION}images/info.gif" border="0" align="middle" alt="{PIC_INFO_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{SLIDESHOW_TGT}" class="navmenu_pic" title="{SLIDESHOW_TITLE}"><img src="{LOCATION}images/slideshow.gif" border="0" align="middle" alt="{SLIDESHOW_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="100%">
                        {PIC_POS}
                </td>
<!-- BEGIN report_file_button -->
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{REPORT_TGT}" class="navmenu_pic" title="{REPORT_TITLE}"><img src="{LOCATION}images/report.gif" border="0" align="middle" alt="{REPORT_TITLE}" /></a>
                </td>
<!-- END report_file_button -->
<!-- BEGIN ecard_button -->
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{ECARD_TGT}" class="navmenu_pic" title="{ECARD_TITLE}"><img src="{LOCATION}images/ecard.gif"  border="0" align="middle" alt="{ECARD_TITLE}" /></a>
                </td>
<!-- END ecard_button -->
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{PREV_TGT}" class="navmenu_pic" title="{PREV_TITLE}" accesskey="p"><img src="{LOCATION}images/prev.gif"  border="0" align="middle" alt="{PREV_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{NEXT_TGT}" class="navmenu_pic" title="{NEXT_TITLE}" accesskey="n"><img src="{LOCATION}images/next.gif"  border="0" align="middle" alt="{NEXT_TITLE}" /></a>
                </td>
        </tr>

EOT;

Alternatively find some javascript to monitor the keyboard and trigger the links.
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Αndré

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Re: prev . next via keyboard arrows??
« Reply #2 on: May 22, 2007, 03:48:02 pm »

hi,
i tried to solve this with javascript.. i put the following code before the "EOT;" of the code that nibbler posted:
Code: [Select]
<script type="text/javascript">
function fuerjens(event) {
  if(event.keyCode == 37) window.location.href="{NEXT_TGT}"
  if(event.keyCode == 39) window.location.href="{PREV_TGT}"
  if(event.keyCode == 38) window.location.href="{THUMB_TGT}"
}
document.onkeydown = fuerjens;
</script>

..extract out of my theme.php:
Code: [Select]
// HTML template for the image navigation bar
$template_img_navbar = <<<EOT

        <tr>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{THUMB_TGT}" class="navmenu_pic" title="{THUMB_TITLE}"><img src="{LOCATION}images/thumbnails.gif" align="middle" border="0" alt="{THUMB_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="javascript:;" class="navmenu_pic" onclick="blocking('picinfo','yes', 'block'); return false;" title="{PIC_INFO_TITLE}"><img src="{LOCATION}images/info.gif" border="0" align="middle" alt="{PIC_INFO_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{SLIDESHOW_TGT}" class="navmenu_pic" title="{SLIDESHOW_TITLE}"><img src="{LOCATION}images/slideshow.gif" border="0" align="middle" alt="{SLIDESHOW_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="100%">
                        {PIC_POS}
                </td>
<!-- BEGIN report_file_button -->
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{REPORT_TGT}" class="navmenu_pic" title="{REPORT_TITLE}"><img src="{LOCATION}images/report.gif" border="0" align="middle" alt="{REPORT_TITLE}" /></a>
                </td>
<!-- END report_file_button -->
<!-- BEGIN ecard_button -->
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{ECARD_TGT}" class="navmenu_pic" title="{ECARD_TITLE}"><img src="{LOCATION}images/ecard.gif"  border="0" align="middle" alt="{ECARD_TITLE}" /></a>
                </td>
<!-- END ecard_button -->
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{PREV_TGT}" class="navmenu_pic" title="{PREV_TITLE}" accesskey="b"><img src="{LOCATION}images/prev.gif"  border="0" align="middle" alt="{PREV_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{NEXT_TGT}" class="navmenu_pic" title="{NEXT_TITLE}" accesskey="n"><img src="{LOCATION}images/next.gif"  border="0" align="middle" alt="{NEXT_TITLE}" /></a>
                </td>
        </tr>

<script type="text/javascript">
function fuerjens(event) {
  if(event.keyCode == 37) window.location.href="{NEXT_TGT}"
  if(event.keyCode == 39) window.location.href="{PREV_TGT}"
  if(event.keyCode == 38) window.location.href="{THUMB_TGT}"
}
document.onkeydown = fuerjens;
</script>

EOT;

but the source code on my gallery looks like:
Quote
  if(event.keyCode == 37) window.location.href="displayimage.php?album=429&amp;pos=34"
  if(event.keyCode == 39) window.location.href="displayimage.php?album=429&amp;pos=32"
  if(event.keyCode == 38) window.location.href="thumbnails.php?album=429&amp;page=2"

how can i decode the "&amp;" to "&" .. i tried it with with html_entity_decode, but this doesn't work :( i think because the constants are set after this code..

or maybe someone knows a javascript function where the html entities are decoded by the browser? :x

can you help me, please?


thx
andré

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Αndré

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Re: prev . next via keyboard arrows??
« Reply #3 on: May 23, 2007, 09:22:21 pm »

UPDATE: Please use the improved code from this post or the plugin version.



I got it :)

Code: [Select]
// HTML template for the image navigation bar
$template_img_navbar = <<<EOT

        <tr>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{THUMB_TGT}" class="navmenu_pic" title="{THUMB_TITLE}" id="thumb"><img src="{LOCATION}images/thumbnails.gif" align="middle" border="0" alt="{THUMB_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="javascript:;" class="navmenu_pic" onclick="blocking('picinfo','yes', 'block'); return false;" title="{PIC_INFO_TITLE}"><img src="{LOCATION}images/info.gif" border="0" align="middle" alt="{PIC_INFO_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{SLIDESHOW_TGT}" class="navmenu_pic" title="{SLIDESHOW_TITLE}"><img src="{LOCATION}images/slideshow.gif" border="0" align="middle" alt="{SLIDESHOW_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="100%">
                        {PIC_POS}
                </td>
<!-- BEGIN report_file_button -->
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{REPORT_TGT}" class="navmenu_pic" title="{REPORT_TITLE}"><img src="{LOCATION}images/report.gif" border="0" align="middle" alt="{REPORT_TITLE}" /></a>
                </td>
<!-- END report_file_button -->
<!-- BEGIN ecard_button -->
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{ECARD_TGT}" class="navmenu_pic" title="{ECARD_TITLE}"><img src="{LOCATION}images/ecard.gif"  border="0" align="middle" alt="{ECARD_TITLE}" /></a>
                </td>
<!-- END ecard_button -->
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{PREV_TGT}" class="navmenu_pic" title="{PREV_TITLE}" accesskey="b" id="prev"><img src="{LOCATION}images/prev.gif"  border="0" align="middle" alt="{PREV_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{NEXT_TGT}" class="navmenu_pic" title="{NEXT_TITLE}" accesskey="n" id="next"><img src="{LOCATION}images/next.gif"  border="0" align="middle" alt="{NEXT_TITLE}" /></a>
                </td>
        </tr>

    <script type="text/javascript">
    function fuerjens(Ereignis) {
      if (!Ereignis)
        Ereignis = window.event;
      if (Ereignis.which) {
        Tastencode = Ereignis.which;
      } else if (Ereignis.keyCode) {
        Tastencode = Ereignis.keyCode;
      }
        if(Tastencode == 37) window.location = document.getElementById('prev').href;
        if(Tastencode == 39) window.location = document.getElementById('next').href;
        if(Tastencode == 38) window.location = document.getElementById('thumb').href;
    }
    document.onkeydown = fuerjens;
    </script>

EOT;

I just inserted some ids in the buttons and changed the javascript to use the hrefs from the buttons.
« Last Edit: January 06, 2009, 05:58:37 pm by eenemeenemuu »
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dwo

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Re: prev . next via keyboard arrows??
« Reply #4 on: January 06, 2009, 02:58:21 pm »

attention.

If you type a comment and want to go back some letters with the Navigation keys, you accidently activate and suddenly the image jumps backward/forward.

So this needs further improvement.
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Αndré

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Re: prev . next via keyboard arrows??
« Reply #5 on: January 06, 2009, 03:10:48 pm »

I already improved this on my personal website. I'll collect the code and post it soon.
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Αndré

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Re: prev . next via keyboard arrows??
« Reply #6 on: January 06, 2009, 03:28:35 pm »

Here it is. All you have to do is to copy this code to your theme.php:
Code: [Select]
$template_img_navbar = <<<EOT

        <tr>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{THUMB_TGT}" class="navmenu_pic" title="{THUMB_TITLE}" id="thumb"><img src="{LOCATION}images/thumbnails.gif" align="middle" border="0" alt="{THUMB_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="javascript:;" class="navmenu_pic" onclick="blocking('picinfo','yes', 'block'); return false;" title="{PIC_INFO_TITLE}"><img src="{LOCATION}images/info.gif" border="0" align="middle" alt="{PIC_INFO_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{SLIDESHOW_TGT}" class="navmenu_pic" title="{SLIDESHOW_TITLE}"><img src="{LOCATION}images/slideshow.gif" border="0" align="middle" alt="{SLIDESHOW_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="100%">
                        {PIC_POS}
                </td>
<!-- BEGIN report_file_button -->
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{REPORT_TGT}" class="navmenu_pic" title="{REPORT_TITLE}"><img src="{LOCATION}images/report.gif" border="0" align="middle" alt="{REPORT_TITLE}" /></a>
                </td>
<!-- END report_file_button -->
<!-- BEGIN ecard_button -->
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{ECARD_TGT}" class="navmenu_pic" title="{ECARD_TITLE}"><img src="{LOCATION}images/ecard.gif"  border="0" align="middle" alt="{ECARD_TITLE}" /></a>
                </td>
<!-- END ecard_button -->
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{PREV_TGT}" class="navmenu_pic" title="{PREV_TITLE}" accesskey="b" id="prev"><img src="{LOCATION}images/prev.gif"  border="0" align="middle" alt="{PREV_TITLE}" /></a>
                </td>
                <td align="center" valign="middle" class="navmenu" width="48">
                        <a href="{NEXT_TGT}" class="navmenu_pic" title="{NEXT_TITLE}" accesskey="n" id="next"><img src="{LOCATION}images/next.gif"  border="0" align="middle" alt="{NEXT_TITLE}" /></a>
                </td>
        </tr>

        <script type="text/javascript">
          var sthhasfocus;
          function fuerjens(Ereignis)
          {
            if (!Ereignis)
              Ereignis = window.event;
            if (Ereignis.which)
              Tastencode = Ereignis.which;
            else if (Ereignis.keyCode)
              Tastencode = Ereignis.keyCode;
            if (sthhasfocus != true)
            {
              if(Tastencode == 37)
                window.location = document.getElementById('prev').href;
              if(Tastencode == 39)
                window.location = document.getElementById('next').href;
              if(Tastencode == 38)
                window.location = document.getElementById('thumb').href;
              if(Tastencode == 40)
              {
                blocking('picinfo','yes', 'block');
                return false;
              }
            }
          }
          document.onkeydown = fuerjens;
        </script>

EOT;


$template_add_your_comment = <<<EOT
        <form method="post" name="post" action="db_input.php">
                <table align="center" width="{WIDTH}" cellspacing="1" cellpadding="0" class="maintable">
                        <tr>
                                        <td width="100%" class="tableh2_compact"><b>{ADD_YOUR_COMMENT}</b></td>
                        </tr>
                        <tr>
                <td colspan="1">
                        <table width="100%" cellpadding="0" cellspacing="0">

<!-- BEGIN user_name_input -->
                                                        <tr>
                                                                <td class="tableb_compact">
                                        {NAME}
                                </td>
                                <td class="tableb_compact">
                                        <input type="text" class="textinput" name="msg_author"  onfocus="sthhasfocus = true" onblur="sthhasfocus = false" size="10" maxlength="20" value="{USER_NAME}" />
                                </td>
<!-- END user_name_input -->
<!-- BEGIN input_box_smilies -->
                                <td class="tableb_compact">
                                {COMMENT}
                                                                </td>
                                <td width="100%" class="tableb_compact">
                                <input type="text" class="textinput" id="message" name="msg_body" onfocus="sthhasfocus = true" onblur="sthhasfocus = false" onselect="storeCaret_post(this);" onclick="storeCaret_post(this);" onkeyup="storeCaret_post(this);" maxlength="{MAX_COM_LENGTH}" style="width: 100%;" />
                                                                </td>
<!-- END input_box_smilies -->
<!-- BEGIN input_box_no_smilies -->
                                <td class="tableb_compact">
                                {COMMENT}
                                                                </td>
                                <td width="100%" class="tableb_compact">
                                <input type="text" class="textinput" id="message" name="msg_body" onfocus="sthhasfocus = true" onblur="sthhasfocus = false" maxlength="{MAX_COM_LENGTH}" style="width: 100%;" />
                                </td>
<!-- END input_box_no_smilies -->
                                <td class="tableb_compact">
                                <input type="hidden" name="event" value="comment" />
                                <input type="hidden" name="pid" value="{PIC_ID}" />
                                <input type="submit" class="comment_button" name="submit" value="{OK}" />
                                </td>
                                                        </tr>
                        </table>
                </td>
        </tr>
<!-- BEGIN smilies -->
        <tr>
                <td width="100%" class="tableb_compact">
                        {SMILIES}
                </td>
        </tr>
<!-- END smilies -->
                </table>
        </form>
EOT;


$template_image_comments = <<<EOT
<table align="center" width="{WIDTH}" cellspacing="1" cellpadding="0" class="maintable">

        <tr>
                <td>
                        <table width="100%" cellpadding="0" cellspacing="0">
                           <tr>
                                <td class="tableh2_compact" nowrap="nowrap">
                                        <b>{MSG_AUTHOR}</b><a name="comment{MSG_ID}"></a>&nbsp;
<!-- BEGIN ipinfo -->
                                                                                 ({IP})
<!-- END ipinfo -->
</td>


                                <td class="tableh2_compact" align="right" width="100%">
<!-- BEGIN report_comment_button -->
     <a href="report_file.php?pid={PID}&amp;msg_id={MSG_ID}&amp;what=comment" title="{REPORT_COMMENT_TITLE}"><img src="images/report.gif" width="16" height="16" border="0" align="middle" alt="{REPORT_COMMENT_TITLE}" /></a>
<!-- END report_comment_button -->


<!-- BEGIN buttons -->
                                        <a href="javascript:;" onclick="blocking('cbody{MSG_ID}','', 'block'); blocking('cedit{MSG_ID}','', 'block'); return false;" title="{EDIT_TITLE}"><img src="images/edit.gif" border="0" align="middle" /></a>
                                        <a href="delete.php?msg_id={MSG_ID}&what=comment"  onclick="return confirm('{CONFIRM_DELETE}');"><img src="images/delete.gif" border="0" align="middle" /></a>
<!-- END buttons -->
                                </td>
                                <td class="tableh2_compact" align="right" nowrap="nowrap">
                                        <span class="comment_date">[{MSG_DATE}]</span>
                                </td></tr>
                        </table>
                </td>
        </tr>
        <tr>
                <td class="tableb_compact">
                        <div id="cbody{MSG_ID}" style="display:block">
                                {MSG_BODY}
                        </div>
                        <div id="cedit{MSG_ID}" style="display:none">
<!-- BEGIN edit_box_smilies -->
                                <table width="100%" cellpadding="0" cellspacing="0">

                                                <form name="f{MSG_ID}" method="POST" action="db_input.php">
                                                <input type="hidden" name="event" value="comment_update" />
                                                <input type="hidden" name="msg_id" value="{MSG_ID}" />
                                                <tr>
                                                <td>
                                                   <input type="text" name="msg_author" onfocus="sthhasfocus = true" onblur="sthhasfocus = false" value="{MSG_AUTHOR}" class="textinput" size="25" />
                                                </td><td>
                                                </tr>
                                                <tr>
                                                <td width="80%">
                                                        <textarea cols="40" rows="2" class="textinput" name="msg_body" onfocus="sthhasfocus = true" onblur="sthhasfocus = false" onselect="storeCaret_f{MSG_ID}(this);" onclick="storeCaret_f{MSG_ID}(this);" onkeyup="storeCaret_f{MSG_ID}(this);" style="width: 100%;">{MSG_BODY_RAW}</textarea>
                                                </td>
                                                <td class="tableb_compact">
                                                </td>
                                                <td>
                                                        <input type="submit" class="comment_button" name="submit" value="{OK}" />
                                                </td>
                                                </form>
                                        </tr>
                                        <tr>
                                                <td colspan="3"><img src="images/spacer.gif" width="1" height="2" /><br /></td>
                                        </tr>
                                </table>
                                {SMILIES}
<!-- END edit_box_smilies -->
<!-- BEGIN edit_box_no_smilies -->
                                <table width="100%" cellpadding="0" cellspacing="0">
                                        <tr>
                                                <form name="f{MSG_ID}" method="POST" action="db_input.php">
                                                <input type="hidden" name="event" value="comment_update" />
                                                <input type="hidden" name="msg_id" value="{MSG_ID}" />
                                                <td>
                                                <input type="text" name="msg_author" value="{MSG_AUTHOR}" class="textinput" size="25" />
                                                </td>
                                        </tr>
                                        <tr>
                                                <td width="100%">
                                                        <textarea cols="40" rows="2" class="textinput" name="msg_body" style="width: 100%;">{MSG_BODY_RAW}</textarea>
                                                </td>
                                                <td class="tableb_compact">
                                                </td>
                                                <td>
                                                        <input type="submit" class="comment_button" name="submit" value="{OK}" />
                                                </td>
                                                </form>
                                        </tr>
                                        <tr>
                                                <td colspan="3"><img src="images/spacer.gif" width="1" height="2" /><br /></td>
                                        </tr>
                                </table>
<!-- END edit_box_no_smilies -->
                        </div>
                </td>
        </tr>
</table>
EOT;

If necessary, you have to replace the old code with this one.
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Αndré

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Re: prev . next via keyboard arrows??
« Reply #7 on: January 06, 2009, 03:44:13 pm »

Maybe I'll create a plugin for this in the next time. I think it should be possible, but I'm not sure :P
Some people might find it better to have a plugin for this, because the arrangement of the navigation buttons and other changes in the variables $template_img_navbar, $template_add_your_comment and $template_image_comments will not be affected.
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Αndré

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Re: prev . next via keyboard arrows??
« Reply #8 on: January 06, 2009, 05:57:44 pm »

Here is the announcement thread for the plugin: http://forum.coppermine-gallery.net/index.php/topic,57460.0.html
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