[22548] | 1 |
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| 2 | #import <Foundation/Foundation.h>
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| 3 |
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| 4 | #import <UIKit/UIKit.h>
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| 5 | #import <UIKit/UITable.h>
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| 6 | #import <UIKit/UIProgressIndicator.h>
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| 7 |
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| 8 | #import "GreenstoneApplication.h"
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| 9 | #import "SimpleWebView.h"
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| 10 | #import "GSResultItem.h"
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| 11 |
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| 12 | #import "BrowseCascadeView.h"
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| 13 |
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| 14 | // ***** think about coding for orientation of iPod!!!!
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| 15 |
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| 16 | @implementation BrowseCascadeView
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| 17 |
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| 18 |
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| 19 | -(UIView*) directEntry:(int)rowId
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| 20 | {
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| 21 | return self;
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| 22 | }
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| 23 |
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| 24 |
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| 25 | -(void) browseListToMenuItems:(NSMutableArray*)browseList withCollection:(NSString*)collection withGID:(NSString*)gid
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| 26 | {
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| 27 | GreenstoneAPI* greenstoneAPI = [GreenstoneApplication greenstoneAPI];
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| 28 |
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| 29 | NSEnumerator* browselist_enumerator = [browseList objectEnumerator];
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| 30 | NSString* childname;
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| 31 | while (childname = [browselist_enumerator nextObject]) {
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| 32 | NSString* childGID = [NSString alloc];
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| 33 |
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| 34 | if (gid==nil) {
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| 35 | childGID = [childGID initWithString:childname];
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| 36 | }
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| 37 | else if ([childname hasPrefix:@"."]==NO) {
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| 38 | childGID = [childGID initWithString:childname];
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| 39 | }
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| 40 | else {
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| 41 | childGID = [childGID initWithFormat:@"%@%@",gid,childname];
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| 42 | }
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| 43 |
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| 44 | GreenstoneApplication* toplevelApp = [GreenstoneApplication toplevelApp];
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| 45 | NSString* lang = [toplevelApp languagePref];
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| 46 | //greenstoneAPI->setLanguage(lang); // *****
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| 47 | greenstoneAPI->setLanguage("en");
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| 48 |
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| 49 | // look up Title metadata for child's GID, and use that to display on menu
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| 50 | NSString* textTitle = nil;
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| 51 | if ([childGID hasPrefix:@"CL"]==YES) {
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| 52 | textTitle = greenstoneAPI->getMetadataFirst(collection,childGID,@"Title");
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| 53 | }
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| 54 | else {
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| 55 | // Try for dc.Title first as generally better quality than ex.Title
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| 56 | textTitle = greenstoneAPI->getMetadataFirst(collection,childGID,@"dc.Title");
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| 57 | if (textTitle == nil) {
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| 58 | textTitle = greenstoneAPI->getMetadataFirst(collection,childGID,@"Title");
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| 59 | }
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| 60 | }
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| 61 |
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| 62 | [(BrowseCascadeView*)_childMenu appendMenuItem:self withItem:textTitle withGID:childGID];
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| 63 |
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| 64 | }
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| 65 | }
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| 66 |
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| 67 | -(void) createChildMenu:(NSString*)collection withTitle:(NSString*)title withGID:(NSString*)gid
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| 68 | withBrowseList:(NSMutableArray*) browseList
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| 69 | {
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| 70 | CGRect rect = [GreenstoneApplication workAreaRect];
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| 71 |
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| 72 | // The following check isn't strictly necessary, if _childMenu is released and set to nil
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| 73 | // when you transition back to the parent
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| 74 | if (_childMenu != nil) {
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| 75 | // [_childMenu release]; // *****
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| 76 | }
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| 77 |
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| 78 | _childMenu = [BrowseCascadeView alloc];
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| 79 | _childMenu = [(BrowseCascadeView*)_childMenu initWithFrame:rect withParent:self withCollection:collection withTitle:title withGID:gid];
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| 80 |
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| 81 | [self browseListToMenuItems:browseList withCollection:collection withGID:gid];
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| 82 | }
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| 83 |
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| 84 |
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| 85 |
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| 86 | -(void) tableRowSelected:(NSNotification*)notification
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| 87 | {
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| 88 | UITable* table = [notification object];
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| 89 | int rowId = [table selectedRow];
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| 90 |
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| 91 | UITableCell* cell = [table cellAtRow:rowId column:0];
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| 92 | [cell setSelected:FALSE withFade:TRUE];
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| 93 |
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| 94 | GreenstoneAPI* greenstoneAPI = [GreenstoneApplication greenstoneAPI];
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| 95 | NSString* childTitle = [[_oidItem objectAtIndex:rowId] title];
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| 96 | int transStyle = UITransitionBothShiftLeft;
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| 97 |
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| 98 | GreenstoneApplication* toplevelApp = [GreenstoneApplication toplevelApp];
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| 99 | NSString* lang = [toplevelApp languagePref];
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| 100 | //greenstoneAPI->setLanguage(lang); // ***** make it a param (with default) to calling fns
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| 101 | greenstoneAPI->setLanguage("en");
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| 102 |
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| 103 | // Initialise with child menu
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| 104 |
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| 105 | if (_collection == nil) {
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| 106 | // Root node to Browse Greenstone collections
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| 107 | NSString* childGID = [[_oidItem objectAtIndex:rowId] oid];
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| 108 |
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| 109 | NSString* chosenCollection = [[NSString alloc] initWithString:childGID];
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| 110 |
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| 111 | NSMutableArray* classifierList = greenstoneAPI->browseToplevelList(chosenCollection);
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| 112 | [self createChildMenu:chosenCollection withTitle:childTitle withGID:nil withBrowseList:classifierList];
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| 113 | [classifierList release];
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| 114 |
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| 115 | [GreenstoneApplication setInCollection:chosenCollection];
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| 116 | [GreenstoneApplication transitionView:transStyle fromView:self toView:_childMenu];
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| 117 | }
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| 118 | else {
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| 119 | NSString* childGID = [[_oidItem objectAtIndex:rowId] oid];
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| 120 |
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| 121 | if ([childGID hasPrefix:@"CL"]==YES) {
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| 122 | // Note this test is potentially flawed if a document ID starts CL...
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| 123 | // Allow this for now, since default is for it to be HASH
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| 124 |
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| 125 | NSMutableArray* classifierList = greenstoneAPI->browseClassifierList(_collection,childGID);
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| 126 |
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| 127 | NSString* chosenCollection = [[NSString alloc] initWithString:_collection];
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| 128 | [self createChildMenu:chosenCollection withTitle:childTitle withGID:childGID withBrowseList:classifierList];
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| 129 | [classifierList release];
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| 130 |
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| 131 | [GreenstoneApplication transitionView:transStyle fromView:self toView:_childMenu];
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| 132 | }
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| 133 | else {
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| 134 | NSString* childGID = [[_oidItem objectAtIndex:rowId] oid];
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| 135 |
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| 136 | NSString* srcurl = greenstoneAPI->getSrcUrlMetadata(_collection,childGID);
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| 137 | NSURL* url = [NSURL alloc];
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| 138 |
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| 139 | if (srcurl == nil) {
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| 140 |
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| 141 | NSTimer *timer = [ NSTimer scheduledTimerWithTimeInterval: 1.0 // used to be 0.3, then 0.5
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| 142 | target: self
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| 143 | selector: @selector(asynchronousLoad:)
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| 144 | userInfo: childGID
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| 145 | repeats: NO ];
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| 146 |
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| 147 | url = [url initWithString:@"file:///var/gsdl/loading.html"]; // **** make it use proper gsdlhome
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| 148 |
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| 149 | }
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| 150 | else {
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| 151 | NSString* fullurlstr = [[NSString alloc] initWithFormat:@"file://%@",srcurl];
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| 152 | url = [url initWithString:fullurlstr];
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| 153 |
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| 154 | NSLog(@"** opening src URL= %@",fullurlstr);
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| 155 |
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| 156 | }
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| 157 | [GreenstoneApplication showWebView:transStyle fromView:self withURL:url];
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| 158 |
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| 159 | }
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| 160 | }
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| 161 | }
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| 162 |
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| 163 |
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| 164 |
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| 165 |
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| 166 | -(void) asynchronousLoad:(NSTimer*)timer
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| 167 | {
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| 168 | NSString* childGID = [timer userInfo];
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| 169 |
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| 170 | [GreenstoneApplication startWebViewBusy];
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| 171 |
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| 172 | GreenstoneAPI* greenstoneAPI = [GreenstoneApplication greenstoneAPI];
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| 173 | GreenstoneApplication* toplevelApp = [GreenstoneApplication toplevelApp];
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| 174 | NSString* lang = [toplevelApp languagePref];
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| 175 | //greenstoneAPI->setLanguage(lang); // ***** make param
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| 176 | greenstoneAPI->setLanguage("en");
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| 177 |
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| 178 | NSString* doctext = greenstoneAPI->getResolvedDocument(_collection,childGID);
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| 179 |
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| 180 | [doctext writeToFile:@"/tmp/gsdoc.html" atomically:NO encoding:NSUTF8StringEncoding error:nil];
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| 181 | NSURL* url = [[NSURL alloc] initWithString:@"file:///tmp/gsdoc.html"];
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| 182 | system("chmod a+rw /tmp/gsdoc.html");
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| 183 |
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| 184 | [GreenstoneApplication loadURL:url];
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| 185 | // [GreenstoneApplication showWebView:0 fromView:self withURL:url]; // ****
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| 186 |
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| 187 | [GreenstoneApplication stopWebViewBusy];
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| 188 | }
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| 189 |
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| 190 |
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| 191 | -(void) navigationBar:(UINavigationBar*)navbar buttonClicked:(int)button
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| 192 | {
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| 193 | NSLog(@"_gid = %@",_gid);
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| 194 |
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| 195 | switch (button)
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| 196 | {
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| 197 | case 1: // left button (back)
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| 198 | // if ([_gid hasPrefix:@"CL"]==YES) { // ****
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| 199 | if (_gid == nil) {
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| 200 | [GreenstoneApplication setInCollection:nil];
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| 201 | }
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| 202 | break;
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| 203 | }
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| 204 |
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| 205 | [super navigationBar:navbar buttonClicked:button];
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| 206 | }
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| 207 | @end
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