Added support for multi columns frame to provide it to the wrap plugin.

ChangeLog.txt

@@ -1,3 +1,9 @@
+2015-05-07 LarsDW223
+
+    * Added support for multi column frames (to provide it to the wrap plugin).
+      New functions are: createMultiColumnFrameStyle (stylefactory), _odtOpenMultiColumnFrame,
+      _odtCloseMultiColumnFrame.
+
 2015-05-05 LarsDW223
 
     * Bugfix: The function 'adjustValueForODT' did not convert the color name 'black' to '#000000'. This is fixed now.

helper/stylefactory.php

@@ -637,5 +637,60 @@ public static function createTableColumnStyle(&$style, $properties, $disabled_pr
 
         return $style_name;
     }
+
+    /**
+     * This function creates a frame style for multiple columns, using the style as set in the assoziative array $properties.
+     * The parameters in the array should be named as the CSS property names e.g. 'color' or 'background-color'.
+     * Properties which shall not be used in the style can be disabled by setting the value in disabled_props
+     * to 1 e.g. $disabled_props ['color'] = 1 would block the usage of the color property.
+     *
+     * The currently supported properties are:
+     * column-count, column-rule, column-gap
+     *
+     * The function returns the name of the new style or NULL if all relevant properties are empty.
+     *
+     * @author LarsDW223
+     */
+    public static function createMultiColumnFrameStyle(&$style, $properties, $disabled_props = NULL) {
+        $attrs = 0;
+
+        if ( empty ($disabled_props ['column-count']) === true ) {
+            $columns = $properties ['column-count'];
+            $attrs++;
+        }
+
+        if ( empty ($disabled_props ['column-rule']) === true ) {
+            $rule_parts = explode (' ', $properties ['column-rule']);
+            $attrs++;
+        }
+
+        if ( empty ($disabled_props ['column-gap']) === true ) {
+            $gap = $properties ['column-gap'];
+            $attrs++;
+        }
+
+        // If all relevant properties are empty or disabled, then there
+        // are no attributes for our style. Return NULL to indicate 'no style required'.
+        if ( $attrs == 0 ) {
+            return NULL;
+        }
+
+        // Create style name.
+        $style_name = self::getNewStylename ('Frame');
+
+        $width = '1000*';
+
+        $style = '<style:style style:name="'.$style_name.'" style:family="graphic" style:parent-style-name="Frame">
+                    <style:graphic-properties fo:border="none" style:vertical-pos="top" style:vertical-rel="paragraph-content" style:horizontal-pos="center" style:horizontal-rel="paragraph">
+<style:columns fo:column-count="'.$columns.'" fo:column-gap="'.$gap.'">
+<style:column-sep style:style="'.$rule_parts [1].'" style:color="'.$rule_parts [2].'" style:width="'.$rule_parts [0].'"/>
+<style:column style:rel-width="'.$width.'" fo:start-indent="0cm" fo:end-indent="0cm"/>
+<style:column style:rel-width="'.$width.'" fo:start-indent="0cm" fo:end-indent="0cm"/>
+<style:column style:rel-width="'.$width.'" fo:start-indent="0cm" fo:end-indent="0cm"/>
+</style:columns>
+</style:graphic-properties></style:style>';
+
+        return $style_name;
+    }
 }
 ?>

renderer.php

@@ -2572,6 +2572,43 @@ public function _processCSSClass(&$properties, helper_plugin_odt_cssimport $impo
             }
         }
     }
+
+    /**
+     * This function opens a multi column frame according to the parameters in $properties.
+     * See function createMultiColumnFrameStyle of helper class stylefactory.php for more
+     * information about the supported properties/CSS styles.
+     *
+     * @author LarsDW223
+     */
+    function _odtOpenMultiColumnFrame ($properties) {
+        // Create style name.
+        $style_name = $this->factory->createMultiColumnFrameStyle ($style, $properties);
+        $this->autostyles[$style_name] = $style;
+
+        $width_abs = $this->_getAbsWidthMindMargins (100);
+
+        // Group the frame so that they are stacked one on each other.
+        $this->p_close();
+        $this->doc .= '<text:p>';
+
+        // Draw a frame with a text box in it. the text box will be left opened
+        // to grow with the content (requires fo:min-height in $style_name).
+        $this->doc .= '<draw:frame draw:style-name="'.$style_name.'" draw:name="Frame1"
+                        text:anchor-type="paragraph" svg:width="'.$width_abs.'cm" draw:z-index="0">';
+        $this->doc .= '<draw:text-box fo:min-height="5cm">';
+    }
+
+    /**
+     * This function closes a multi column frame (previously opened with _odtOpenMultiColumnFrame).
+     *
+     * @author LarsDW223
+     */
+    function _odtCloseMultiColumnFrame () {
+        $this->doc .= '</draw:text-box></draw:frame>';
+        $this->doc .= '</text:p>';
+
+        $this->div_z_index -= 5;
+    }
 }
 
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