/* Copyright (C) 2000-2005 SKYRIX Software AG This file is part of SOPE. SOPE is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. SOPE is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with SOPE; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include /* WEPageView TODO: describe what it does */ @interface WEPageView : WODynamicElement { WOAssociation *selection; /* config: */ WOAssociation *titleColor; WOAssociation *contentColor; WOAssociation *fontColor; WOAssociation *fontFace; WOAssociation *fontSize; WOAssociation *firstIcon; WOAssociation *firstBlind; // firstBlindIcon WOAssociation *previousIcon; WOAssociation *previousBlind; // previousBlindIcon WOAssociation *nextIcon; WOAssociation *nextBlind; // nextBlindIcon WOAssociation *lastIcon; WOAssociation *lastBlind; // lastBlindIcon WOAssociation *firstLabel; WOAssociation *previousLabel; WOAssociation *nextLabel; WOAssociation *lastLabel; id template; } @end @interface WEPageItem : WODynamicElement { WOAssociation *key; WOAssociation *title; WOAssociation *action; id template; } @end @interface WEPageItemInfo : NSObject { @public NSString *title; NSString *key; NSString *uri; } @end #include #include "common.h" // #define DEBUG_TAKEVALUES 1 /* context keys */ static NSString *WEPageView_HEAD = @"WEPageView_head"; static NSString *WEPageView_BODY = @"WEPageView_body"; static NSString *WEPageView_KEYS = @"WEPageView_keys"; static NSString *WEPageView_ACTIVEKEY = @"WEPageView_activekey"; static NSString *WEPageView_COLLECT = @"~tv~"; // navigation icons static NSString *WEPageView_first = @"WEPageView_first"; static NSString *WEPageView_first_blind = @"WEPageView_first_blind"; static NSString *WEPageView_previous = @"WEPageView_previous"; static NSString *WEPageView_previous_blind = @"WEPageView_previous_blind"; static NSString *WEPageView_next = @"WEPageView_next"; static NSString *WEPageView_next_blind = @"WEPageView_next_blind"; static NSString *WEPageView_last = @"WEPageView_last"; static NSString *WEPageView_last_blind = @"WEPageView_last_blind"; // labels static NSString *WEPageView_firstLabel = @"WEPageView_firstLabel"; static NSString *WEPageView_previousLabel = @"WEPageView_previousLabel"; static NSString *WEPageView_nextLabel = @"WEPageView_nextLabel"; static NSString *WEPageView_lastLabel = @"WEPageView_lastLabel"; static NSString *WEPageView_ = @"WEPageView_"; @implementation WEPageView static NSNumber *YesNumber = nil; + (void)initialize { if (YesNumber == nil) YesNumber = [[NSNumber numberWithBool:YES] retain]; } + (int)version { return [super version] + 0; } - (id)initWithName:(NSString *)_name associations:(NSDictionary *)_config template:(WOElement *)_subs { if ((self = [super initWithName:_name associations:_config template:_subs])) { self->selection = WOExtGetProperty(_config, @"selection"); self->contentColor = WOExtGetProperty(_config, @"contentColor"); self->titleColor = WOExtGetProperty(_config, @"titleColor"); self->firstIcon = WOExtGetProperty(_config, @"firstIcon"); self->firstBlind = WOExtGetProperty(_config, @"firstBlindIcon"); self->previousIcon = WOExtGetProperty(_config, @"previousIcon"); self->previousBlind = WOExtGetProperty(_config, @"previousBlindIcon"); self->nextIcon = WOExtGetProperty(_config, @"nextIcon"); self->nextBlind = WOExtGetProperty(_config, @"nextBlindIcon"); self->lastIcon = WOExtGetProperty(_config, @"lastIcon"); self->lastBlind = WOExtGetProperty(_config, @"lastBlindIcon"); self->firstLabel = WOExtGetProperty(_config, @"firstLabel"); self->previousLabel = WOExtGetProperty(_config, @"previousLabel"); self->nextLabel = WOExtGetProperty(_config, @"nextLabel"); self->lastLabel = WOExtGetProperty(_config, @"lastLabel"); self->fontColor = WOExtGetProperty(_config, @"fontColor"); self->fontFace = WOExtGetProperty(_config, @"fontFace"); self->fontSize = WOExtGetProperty(_config, @"fontSize"); #define SetAssociationValue(_a_, _value_) \ if (_a_ == nil) \ _a_ = [[WOAssociation associationWithValue:_value_] retain]; SetAssociationValue(self->firstLabel, @"<<"); SetAssociationValue(self->previousLabel, @"<"); SetAssociationValue(self->nextLabel, @">"); SetAssociationValue(self->lastLabel, @">>"); #undef SetAssociationValue self->template = [_subs retain]; } return self; } - (void)dealloc { RELEASE(self->selection); RELEASE(self->contentColor); RELEASE(self->titleColor); RELEASE(self->firstIcon); RELEASE(self->firstBlind); RELEASE(self->previousIcon); RELEASE(self->previousBlind); RELEASE(self->nextIcon); RELEASE(self->nextBlind); RELEASE(self->lastIcon); RELEASE(self->lastBlind); RELEASE(self->firstLabel); RELEASE(self->previousLabel); RELEASE(self->nextLabel); RELEASE(self->lastLabel); RELEASE(self->fontColor); RELEASE(self->fontFace); RELEASE(self->fontSize); RELEASE(self->template); [super dealloc]; } - (void)updateConfigInContext:(WOContext *)_ctx { WOComponent *cmp; NSString *tmp; cmp = [_ctx component]; #define SetConfigInContext(_a_, _key_) \ if (_a_ && (tmp = [_a_ valueInComponent:cmp])) \ [_ctx setObject:tmp forKey:_key_]; \ SetConfigInContext(self->firstIcon, WEPageView_first); SetConfigInContext(self->firstBlind, WEPageView_first_blind); SetConfigInContext(self->previousIcon, WEPageView_previous); SetConfigInContext(self->previousBlind, WEPageView_previous_blind); SetConfigInContext(self->nextIcon, WEPageView_next); SetConfigInContext(self->nextBlind, WEPageView_next_blind); SetConfigInContext(self->lastIcon, WEPageView_last); SetConfigInContext(self->lastBlind, WEPageView_last_blind); SetConfigInContext(self->firstLabel, WEPageView_firstLabel); SetConfigInContext(self->previousLabel, WEPageView_previousLabel); SetConfigInContext(self->nextLabel, WEPageView_nextLabel); SetConfigInContext(self->lastLabel, WEPageView_lastLabel); #undef SetConfigInContext } - (void)removeConfigInContext:(WOContext *)_ctx { [_ctx removeObjectForKey:WEPageView_first]; [_ctx removeObjectForKey:WEPageView_first_blind]; [_ctx removeObjectForKey:WEPageView_previous]; [_ctx removeObjectForKey:WEPageView_previous_blind]; [_ctx removeObjectForKey:WEPageView_next]; [_ctx removeObjectForKey:WEPageView_next_blind]; [_ctx removeObjectForKey:WEPageView_last]; [_ctx removeObjectForKey:WEPageView_last_blind]; [_ctx removeObjectForKey:WEPageView_firstLabel]; [_ctx removeObjectForKey:WEPageView_previousLabel]; [_ctx removeObjectForKey:WEPageView_nextLabel]; [_ctx removeObjectForKey:WEPageView_lastLabel]; } static inline NSString *WEPageLabelForKey(NSString *_key, WOContext *_ctx) { NSString *key; key = [NSString stringWithFormat:@"WEPageView_%@Label", _key]; return [_ctx objectForKey:key]; } /* nesting */ - (id)saveNestedStateInContext:(WOContext *)_ctx { return nil; } - (void)restoreNestedState:(id)_state inContext:(WOContext *)_ctx { if (_state == nil) return; } - (NSArray *)collectKeysInContext:(WOContext *)_ctx { /* collect mode, collects all keys */ [_ctx setObject:WEPageView_COLLECT forKey:WEPageView_HEAD]; [self->template appendToResponse:nil inContext:_ctx]; [_ctx removeObjectForKey:WEPageView_HEAD]; return [_ctx objectForKey:WEPageView_KEYS]; } /* responder */ - (void)takeValuesFromRequest:(WORequest *)_request inContext:(WOContext *)_ctx { id nestedState; nestedState = [self saveNestedStateInContext:_ctx]; [_ctx appendElementIDComponent:@"h"]; [self->template takeValuesFromRequest:_request inContext:_ctx]; [_ctx deleteLastElementIDComponent]; [_ctx appendElementIDComponent:@"b"]; [_ctx setObject:self->selection forKey:WEPageView_BODY]; #if DEBUG_TAKEVALUES [[_ctx component] debugWithFormat:@"WEPageView: body takes values, eid='%@'", [_ctx elementID]]; #endif [self->template takeValuesFromRequest:_request inContext:_ctx]; [_ctx removeObjectForKey:WEPageView_BODY]; [_ctx deleteLastElementIDComponent]; /* 'b' */ [self restoreNestedState:nestedState inContext:_ctx]; } - (id)invokeActionForRequest:(WORequest *)_request inContext:(WOContext *)_ctx { NSString *key; id result; result = nil; if ((key = [_ctx currentElementID])) { id nestedState; nestedState = [self saveNestedStateInContext:_ctx]; if ([key isEqualToString:@"h"]) { /* header action */ [_ctx consumeElementID]; [_ctx appendElementIDComponent:key]; [_ctx setObject:self->selection forKey:WEPageView_HEAD]; result = [self->template invokeActionForRequest:_request inContext:_ctx]; [_ctx removeObjectForKey:WEPageView_HEAD]; [_ctx deleteLastElementIDComponent]; } else if ([key isEqualToString:@"b"]) { /* body action */ [_ctx consumeElementID]; [_ctx appendElementIDComponent:key]; [_ctx setObject:self->selection forKey:WEPageView_BODY]; result = [self->template invokeActionForRequest:_request inContext:_ctx]; [_ctx removeObjectForKey:WEPageView_BODY]; [_ctx deleteLastElementIDComponent]; } else { [[_ctx application] debugWithFormat:@"unknown page container key '%@'", key]; } [self restoreNestedState:nestedState inContext:_ctx]; } return result; } - (void)_appendNav:(NSString *)_nav isBlind:(BOOL)_isBlind toResponse:(WOResponse *)_response inContext:(WOContext *)_ctx info:(WEPageItemInfo *)_info { NSString *img; NSString *label; BOOL doForm; doForm = [_ctx isInForm]; img = [WEPageView_ stringByAppendingString:_nav]; img = [img stringByAppendingString:(_isBlind) ? @"_blind" : @""]; img = [_ctx objectForKey:img]; img = WEUriOfResource(img,_ctx); label = WEPageLabelForKey(_nav, _ctx); // append as submit button if (doForm && !_isBlind && img && _info) { NSString *uri; uri = [[_info->uri componentsSeparatedByString:@"/"] lastObject]; [_ctx appendElementIDComponent:_nav]; [_response appendContentString:@""]; [_ctx deleteLastElementIDComponent]; return; } /* open anker */ if (!_isBlind && _info) { [_ctx appendElementIDComponent:_nav]; [_response appendContentString:@"uri]; [_response appendContentString:@"\">"]; } if (!img) { [_response appendContentCharacter:'[']; [_response appendContentString:label]; [_response appendContentCharacter:']']; } else { [_response appendContentString:@"\""];"]; } /* close anker */ if (!_isBlind && _info) { [_response appendContentString:@""]; [_ctx deleteLastElementIDComponent]; } } - (void)appendNavToResponse:(WOResponse *)_response inContext:(WOContext *)_ctx isLeft:(BOOL)_isLeft activeKey:(WEPageItemInfo *)_activeKey keys:(NSArray *)_keys { WEPageItemInfo *info; int idx, cnt; idx = [_keys indexOfObject:_activeKey]; cnt = [_keys count]; if (idx > cnt) { NSLog(@"Warning! WEPageView: idx is out of range!"); return; } if (_isLeft) { info = (cnt > 0) ? [_keys objectAtIndex:0] : nil; [self _appendNav:@"first" isBlind:(idx < 1) ? YES : NO toResponse:_response inContext:_ctx info:info]; info = (cnt > 0 && idx > 0) ? [_keys objectAtIndex:idx-1] : nil; [self _appendNav:@"previous" isBlind:(idx < 1) ? YES : NO toResponse:_response inContext:_ctx info:info]; } else { info = (cnt > idx+1) ? [_keys objectAtIndex:idx+1] : nil; [self _appendNav:@"next" isBlind:(cnt <= idx+1) ? YES : NO toResponse:_response inContext:_ctx info:info]; info = (cnt > 0) ? [_keys objectAtIndex:cnt-1] : nil; [self _appendNav:@"last" isBlind:(cnt <= idx+1) ? YES : NO toResponse:_response inContext:_ctx info:info]; } } - (void)appendToResponse:(WOResponse *)_response inContext:(WOContext *)_ctx { WOComponent *cmp; BOOL indentContent; BOOL doForm; NSString *bgcolor; id nestedState; NSString *activeKey; WEPageItemInfo *activeInfo = nil; NSArray *keys; unsigned i, count; [self updateConfigInContext:_ctx]; doForm = NO; /* generate form controls ? */ indentContent = YES; /* put additional padding table into content */ cmp = [_ctx component]; /* check for browser */ { WEClientCapabilities *ccaps; ccaps = [[_ctx request] clientCapabilities]; if ([ccaps isFastTableBrowser] && ![ccaps isTextModeBrowser]) indentContent = YES; } /* save state */ nestedState = [self saveNestedStateInContext:_ctx]; /* collect & process keys (= available tabs) */ [_ctx appendElementIDComponent:@"h"]; activeKey = [self->selection stringValueInComponent:cmp]; keys = [self collectKeysInContext:_ctx]; if (![[keys valueForKey:@"key"] containsObject:activeKey]) /* selection is not available in keys */ activeKey = nil; if ((activeKey == nil) && ([keys count] > 0)) { /* no or invalid selection, use first key */ activeKey = [[keys objectAtIndex:0] key]; if ([self->selection isValueSettable]) [self->selection setValue:activeKey inComponent:[_ctx component]]; } for (i = 0, count = [keys count]; i < count; i++) { WEPageItemInfo *info; info = [keys objectAtIndex:i]; if ([info->key isEqualToString:activeKey]) { activeInfo = info; break; } } /* start appending */ [_response appendContentString: @""]; /* generate header row */ bgcolor = [self->titleColor stringValueInComponent:cmp]; [_response appendContentString:@""]; /* left navigation */ WEAppendTD(_response, @"left", nil, bgcolor); [self appendNavToResponse:_response inContext:_ctx isLeft:YES activeKey:activeInfo keys:keys]; [_response appendContentString:@""]; /* title */ WEAppendTD(_response, @"center", nil, bgcolor); { unsigned char buf[256]; NSString *tC, *tF, *tS; // text font attrtibutes BOOL hasFont; cmp = [_ctx component]; tC = [self->fontColor stringValueInComponent:cmp]; tF = [self->fontFace stringValueInComponent:cmp]; tS = [self->fontSize stringValueInComponent:cmp]; hasFont = (tC || tF || tS) ? YES : NO; if (hasFont) WEAppendFont(_response, tC, tF, tS); for (i = 0, count = [keys count]; i < count; i++) { WEPageItemInfo *info; info = [keys objectAtIndex:i]; if ([info->key isEqualToString:activeKey]) { [_response appendContentString:@""]; [_response appendContentString:info->title]; [_response appendContentString:@""]; break; } } sprintf(buf, " (%d/%d)", (i + 1), count); [_response appendContentCString:buf]; if (hasFont) [_response appendContentString:@""]; } [_response appendContentString:@""]; /* right navigation */ WEAppendTD(_response, @"right", nil, bgcolor); [self appendNavToResponse:_response inContext:_ctx isLeft:NO activeKey:activeInfo keys:keys]; [_response appendContentString:@""]; [_response appendContentString:@""]; [_ctx deleteLastElementIDComponent]; // delete "h" [_ctx removeObjectForKey:WEPageView_HEAD]; /* body row */ bgcolor = [self->contentColor stringValueInComponent:cmp]; { [_response appendContentString:@""]; } [_response appendContentString:@"
"]; if (indentContent) { /* start padding table */ [_response appendContentString: @""]; [_response appendContentString:@"
"]; } [_ctx appendElementIDComponent:@"b"]; /* generate currently active page */ { [_ctx setObject:activeKey forKey:WEPageView_BODY]; [self->template appendToResponse:_response inContext:_ctx]; [_ctx removeObjectForKey:WEPageView_BODY]; } [_ctx deleteLastElementIDComponent]; if (indentContent) /* close padding table */ [_response appendContentString:@"
"]; [_response appendContentString:@"
"]; [_ctx removeObjectForKey:WEPageView_ACTIVEKEY]; [_ctx removeObjectForKey:WEPageView_KEYS]; [self restoreNestedState:nestedState inContext:_ctx]; [self removeConfigInContext:_ctx]; } @end /* WEPageView */ @implementation WEPageItem + (int)version { return [super version] + 0; } - (id)initWithName:(NSString *)_name associations:(NSDictionary *)_config template:(WOElement *)_subs { if ((self = [super initWithName:_name associations:_config template:_subs])) { self->key = WOExtGetProperty(_config, @"key"); self->title = WOExtGetProperty(_config, @"title"); self->action = WOExtGetProperty(_config, @"action"); self->template = RETAIN(_subs); } return self; } - (void)dealloc { [self->action release]; [self->title release]; [self->key release]; [self->template release]; [super dealloc]; } /* responder */ - (void)takeValuesFromRequest:(WORequest *)_request inContext:(WOContext *)_ctx { WOAssociation *tmp; if ((tmp = [_ctx objectForKey:WEPageView_BODY])) { NSString *activeTabKey; NSString *myTabKey; activeTabKey = [tmp stringValueInComponent:[_ctx component]]; myTabKey = [self->key stringValueInComponent:[_ctx component]]; if ([activeTabKey isEqualToString:myTabKey]) { [_ctx appendElementIDComponent:activeTabKey]; #if DEBUG_TAKEVALUES [[_ctx component] debugWithFormat: @"WEPageItem: body takes values, eid='%@'", [_ctx elementID]]; #endif [self->template takeValuesFromRequest:_request inContext:_ctx]; [_ctx deleteLastElementIDComponent]; } #if DEBUG_TAKEVALUES else { [[_ctx component] debugWithFormat: @"WEPageItem: body takes no values, eid='%@'", [_ctx elementID]]; } #endif } else { NSString *k; NSString *eid; k = [self->key stringValueInComponent:[_ctx component]]; eid = [[_ctx elementID] stringByAppendingString:@"."]; eid = [eid stringByAppendingString:k]; if (k && [_request formValueForKey:[eid stringByAppendingString:@".x"]]) { [_ctx addActiveFormElement:self]; [_ctx setRequestSenderID:eid]; } } } - (id)invokeActionForRequest:(WORequest *)_rq inContext:(WOContext *)_ctx { NSString *tabkey; id result; WOAssociation *tmp; tabkey = [_ctx currentElementID]; [_ctx consumeElementID]; [_ctx appendElementIDComponent:tabkey]; if ((tmp = [_ctx objectForKey:WEPageView_HEAD])) { /* click on tab icon */ if ([tmp isValueSettable]) [tmp setValue:tabkey inComponent:[_ctx component]]; result = [self->action valueInComponent:[_ctx component]]; } else if ((tmp = [_ctx objectForKey:WEPageView_BODY])) { /* clicked somewhere in the body */ if ([tmp isValueSettable]) [tmp setValue:tabkey inComponent:[_ctx component]]; result = [self->template invokeActionForRequest:_rq inContext:_ctx]; } else { [[_ctx component] debugWithFormat:@"WEPageItem: invalid invoke state"]; result = [self->template invokeActionForRequest:_rq inContext:_ctx]; } [_ctx deleteLastElementIDComponent]; return result; } - (void)appendHead:(NSString *)tmp toResponse:(WOResponse *)_response inContext:(WOContext *)_ctx { NSMutableArray *keys; WEPageItemInfo *info; WOComponent *cmp; NSString *k; if (![tmp isEqual:WEPageView_COLLECT]) return; /* collect keys */ cmp = [_ctx component]; keys = [_ctx objectForKey:WEPageView_KEYS]; if (keys == nil) { keys = [NSMutableArray arrayWithCapacity:8]; [_ctx setObject:keys forKey:WEPageView_KEYS]; } if ((k = [self->key stringValueInComponent:[_ctx component]]) == nil) { /* auto-assign a key */ unsigned char kb[16]; sprintf(kb, "%d", [keys count]); k = [NSString stringWithCString:kb]; } [_ctx appendElementIDComponent:k]; info = [[WEPageItemInfo alloc] init]; info->key = [k copy]; info->title = [[self->title stringValueInComponent:cmp] copy]; info->uri = [[_ctx componentActionURL] copy]; [keys addObject:info]; [info release]; [_ctx deleteLastElementIDComponent]; } - (void)appendBody:(NSString *)tmp toResponse:(WOResponse *)_response inContext:(WOContext *)_ctx { NSString *k; k = [self->key stringValueInComponent:[_ctx component]]; if (![tmp isEqualToString:k]) return; /* content is active or used as layer*/ [_ctx appendElementIDComponent:k]; #if DEBUG [self debugWithFormat:@"PAGE: %@", k]; #endif [self->template appendToResponse:_response inContext:_ctx]; [_ctx deleteLastElementIDComponent]; } - (void)appendToResponse:(WOResponse *)_response inContext:(WOContext *)_ctx { NSString *tmp; if ((tmp = [_ctx objectForKey:WEPageView_HEAD])) [self appendHead:tmp toResponse:_response inContext:_ctx]; else if ((tmp = [_ctx objectForKey:WEPageView_BODY])) [self appendBody:tmp toResponse:_response inContext:_ctx]; else [_response appendContentString:@"[invalid pageview state]"]; } @end /* WEPageItem */ @implementation WEPageItemInfo - (void)dealloc { [self->uri release]; [self->title release]; [self->key release]; [super dealloc]; } - (NSString *)key { return self->key; } - (NSString *)title { return self->title; } - (NSString *)uri { return self->uri; } @end /* WEPageItemInfo */