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authorDavid A. Madore <david+git@madore.org>2014-10-09 14:52:22 (GMT)
committerDavid A. Madore <david+git@madore.org>2014-10-09 14:52:22 (GMT)
commit4f26d86d308762f4e1a16806042e8bb4c096c2f2 (patch)
treebb2b7385d5e33ed34428883fca2aaccb6c3ea733
parent7e17584157bfe02fc2f9cb5d8102892297673911 (diff)
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Support <d:weblog-months-calendar /> element for automatic calendar generation.
-rw-r--r--org/madore/damlengine/TodoElement.java1
-rw-r--r--org/madore/damlengine/TodoWeblogMonthsCalendar.java114
2 files changed, 115 insertions, 0 deletions
diff --git a/org/madore/damlengine/TodoElement.java b/org/madore/damlengine/TodoElement.java
index 0b2baf5..83275ad 100644
--- a/org/madore/damlengine/TodoElement.java
+++ b/org/madore/damlengine/TodoElement.java
@@ -70,6 +70,7 @@ public abstract class TodoElement extends TodoItem {
damlFactories.put("weblog-selection-cat-name", new TodoWeblogSelectionElement.Factory(TodoWeblogSelectionElement.Type.CATEGORY_NAME));
damlFactories.put("weblog-selection-single-number", new TodoWeblogSelectionElement.Factory(TodoWeblogSelectionElement.Type.SINGLE_NUMBER));
damlFactories.put("weblog-selection-single-title", new TodoWeblogSelectionElement.Factory(TodoWeblogSelectionElement.Type.SINGLE_TITLE));
+ damlFactories.put("weblog-months-calendar", new TodoWeblogMonthsCalendar.Factory());
damlFactories.put("cut-here", new TodoCutHere.Factory());
}
diff --git a/org/madore/damlengine/TodoWeblogMonthsCalendar.java b/org/madore/damlengine/TodoWeblogMonthsCalendar.java
new file mode 100644
index 0000000..d9e0573
--- /dev/null
+++ b/org/madore/damlengine/TodoWeblogMonthsCalendar.java
@@ -0,0 +1,114 @@
+package org.madore.damlengine;
+
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.regex.Pattern;
+import java.util.regex.Matcher;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import org.w3c.dom.*;
+import org.w3c.dom.ls.DOMImplementationLS;
+import org.w3c.dom.ls.LSParser;
+import org.w3c.dom.ls.LSInput;
+
+public final class TodoWeblogMonthsCalendar extends TodoDefaultElement {
+
+ public static final String[] monthAbbr = {
+ null,
+ "Jan", "Feb", "Mar", "Apr",
+ "May", "Jun", "Jul", "Aug",
+ "Sep", "Oct", "Nov", "Dec",
+ };
+
+ public static class Factory extends TodoElement.Factory {
+ @Override
+ public TodoWeblogMonthsCalendar newItem(Element node,
+ Context ctx,
+ TodoItem caller) {
+ return new TodoWeblogMonthsCalendar(node, ctx, caller);
+ }
+ }
+
+ public TodoWeblogMonthsCalendar(Element node,
+ Context ctx,
+ TodoItem caller) {
+ super(node, ctx, caller);
+ }
+
+ @Override
+ public void handleNodeOnly() {
+ Element table = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "table");
+ node.getParentNode().replaceChild(table, node);
+ table.setAttributeNS(null, "border", "1");
+ table.appendChild(ctx.doc.createTextNode("\n\n"));
+ String targetStdDir = (ctx.gc.uriToTop==null)?"":(ctx.gc.uriToTop+"weblog/");
+ try {
+ final Connection conn = WeblogDatabaseConnection.getConnection();
+ final PreparedStatement selSt
+ = conn.prepareStatement("SELECT min(edate) , max(edate) FROM entries");
+ final ResultSet selRes = selSt.executeQuery();
+ int minedateYear, minedateMonth, maxedateYear, maxedateMonth;
+ if ( selRes.next() ) {
+ String minedate = selRes.getString(1);
+ String maxedate = selRes.getString(2);
+ Matcher matcher;
+ if ( (matcher=Pattern.compile("(\\d{4})-(\\d{2})-\\d{2}").matcher(minedate)).matches() ) {
+ minedateYear = Integer.parseInt(matcher.group(1));
+ minedateMonth = Integer.parseInt(matcher.group(2));
+ } else
+ throw new IllegalStateException("entry date field must be of the form YYYY-MM-DD");
+ if ( (matcher=Pattern.compile("(\\d{4})-(\\d{2})-\\d{2}").matcher(maxedate)).matches() ) {
+ maxedateYear = Integer.parseInt(matcher.group(1));
+ maxedateMonth = Integer.parseInt(matcher.group(2));
+ } else
+ throw new IllegalStateException("entry date field must be of the form YYYY-MM-DD");
+ } else
+ throw new IllegalStateException("failed to extract bounding dates");
+ for ( int year = maxedateYear ; year >= minedateYear ; year-- ) {
+ Element tr = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "tr");
+ table.appendChild(tr);
+ table.appendChild(ctx.doc.createTextNode("\n\n"));
+ Element th = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "th");
+ tr.appendChild(th);
+ th.appendChild(ctx.doc.createTextNode(Integer.toString(year)));
+ tr.appendChild(ctx.doc.createTextNode("\n"));
+ if ( year==minedateYear && minedateMonth > 1 ) {
+ Element td = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "td");
+ td.setAttributeNS(null, "colspan",
+ Integer.toString(minedateMonth-1));
+ tr.appendChild(td);
+ tr.appendChild(ctx.doc.createTextNode("\n"));
+ }
+ for ( int month = (year==minedateYear?minedateMonth:1) ;
+ month <= (year==maxedateYear?maxedateMonth:12) ;
+ month++ ) {
+ Element td = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "td");
+ tr.appendChild(td);
+ if ( ( ctx.wsc instanceof Context.WeblogMonthSelectionContext )
+ && year == Integer.parseInt(((Context.WeblogMonthSelectionContext)(ctx.wsc)).year)
+ && month == Integer.parseInt(((Context.WeblogMonthSelectionContext)(ctx.wsc)).month) )
+ td.setAttributeNS(null, "class", "weblog-calendar-selected-month");
+ Element a = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "a");
+ td.appendChild(a);
+ a.setAttributeNS(null, "href",
+ targetStdDir + Integer.toString(year) + "-"
+ + String.format("%02d",month) + ".html");
+ a.appendChild(ctx.doc.createTextNode(monthAbbr[month] + " " + Integer.toString(year)));
+ tr.appendChild(ctx.doc.createTextNode("\n"));
+ }
+ if ( year==maxedateYear && maxedateMonth < 12 ) {
+ Element td = ctx.doc.createElementNS(DamlEngine.XHTML_NS, "td");
+ td.setAttributeNS(null, "colspan",
+ Integer.toString(12-maxedateMonth));
+ tr.appendChild(td);
+ tr.appendChild(ctx.doc.createTextNode("\n"));
+ }
+ }
+ } catch (SQLException e) {
+ }
+ }
+
+}