Changes for upcoming version 1.3.0

- Bugfix: Changed tooltip class to be unique
- Bugfix: Changed superscript styling to not manipulate the line height
- Bugfix: Changed styling of the footnotes text in the reference container to avoid line breaks
- Updated: Reformatted code
- Added: new settings tab for custom CSS settings

git-svn-id: https://plugins.svn.wordpress.org/footnotes/trunk@957947 b8457f37-d9ea-0310-8a92-e5e31aec5664

classes/tab_howto.php

@@ -0,0 +1,102 @@
+<?php
+/**
+ * Created by Stefan Herndler.
+ * User: Stefan
+ * Date: 30.07.14 10:53
+ * Version: 1.0
+ * Since: 1.3
+ */
+
+
+// define class only once
+if (!class_exists("MCI_Footnotes_Tab_HowTo")) :
+
+/**
+ * Class MCI_Footnotes_Tab_HowTo
+ * @since 1.3
+ */
+class MCI_Footnotes_Tab_HowTo extends MCI_Footnotes_Admin {
+
+	/**
+	 * register the meta boxes for the tab
+	 * @constructor
+	 * @since 1.3
+	 * @param array $p_arr_Tabs
+	 */
+	public function __construct(&$p_arr_Tabs) {
+		// add tab to the tab array
+		$p_arr_Tabs[FOOTNOTES_SETTINGS_TAB_HOWTO] = __("How to", FOOTNOTES_PLUGIN_NAME);
+		// register settings tab
+		add_settings_section(
+			"MCI_Footnotes_Settings_Section_HowTo",
+			"&nbsp;",
+			array($this, 'Description'),
+			FOOTNOTES_SETTINGS_TAB_HOWTO
+		);
+		// help
+		add_meta_box(
+			'MCI_Footnotes_Tab_HowTo_Help',
+			__("Brief introduction in how to use the plugin", FOOTNOTES_PLUGIN_NAME),
+			array($this, 'Help'),
+			FOOTNOTES_SETTINGS_TAB_HOWTO,
+			'main'
+		);
+	}
+
+	/**
+	 * output a description for the tab
+	 * @since 1.3
+	 */
+	public function Description() {
+		// unused
+	}
+
+	/**
+	 * outputs the help box
+	 * @since 1.3
+	 */
+	public function Help() {
+		global $g_obj_MCI_Footnotes;
+		// load footnotes starting and end tag
+		$l_arr_Footnote_StartingTag = $this->LoadSetting(FOOTNOTES_INPUT_PLACEHOLDER_START);
+		$l_arr_Footnote_EndingTag = $this->LoadSetting(FOOTNOTES_INPUT_PLACEHOLDER_END);
+
+		if ($l_arr_Footnote_StartingTag["value"] == "userdefined" || $l_arr_Footnote_EndingTag["value"] == "userdefined") {
+			// load user defined starting and end tag
+			$l_arr_Footnote_StartingTag = $this->LoadSetting(FOOTNOTES_INPUT_PLACEHOLDER_START_USERDEFINED);
+			$l_arr_Footnote_EndingTag = $this->LoadSetting(FOOTNOTES_INPUT_PLACEHOLDER_END_USERDEFINED);
+		}
+		$l_str_Example = $l_arr_Footnote_StartingTag["value"] . __("example string", FOOTNOTES_PLUGIN_NAME) . $l_arr_Footnote_EndingTag["value"];
+		?>
+		<div style="text-align:center;">
+			<div class="footnote_placeholder_box_container">
+				<p>
+					<?php echo __("Start your footnote with the following shortcode:", FOOTNOTES_PLUGIN_NAME); ?>
+					<span class="footnote_highlight_placeholder">
+						<?php echo $l_arr_Footnote_StartingTag["value"]; ?>
+					</span>
+				</p>
+				<p>
+					<?php echo __("...and end your footnote with this shortcode:", FOOTNOTES_PLUGIN_NAME); ?>
+					<span class="footnote_highlight_placeholder">
+						<?php echo $l_arr_Footnote_EndingTag["value"]; ?>
+					</span>
+				</p>
+				<div class="footnote_placeholder_box_example">
+					<p>
+                        <span class="footnote_highlight_placeholder"><?php echo $l_str_Example; ?></span>
+						<?php echo __("will be displayed as:", FOOTNOTES_PLUGIN_NAME); ?>
+						&nbsp;&nbsp;&nbsp;&nbsp;
+						<?php echo $g_obj_MCI_Footnotes->a_obj_Task->exec($l_str_Example, true); ?>
+					</p>
+				</div>
+				<p>
+					<?php echo sprintf(__("If you have any questions, please don't hesitate to %se-mail%s us.", FOOTNOTES_PLUGIN_NAME), '<a href="mailto:mci@cheret.co.uk" class="footnote_plugin">', '</a>'); ?>
+				</p>
+			</div>
+		</div>
+	<?php
+	}
+} // class MCI_Footnotes_Tab_HowTo
+
+endif;